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B07662KXWW Availability: Currently unavailable Score: 1000.000 Category: Electronics Rating: 5 Votes: 1 Find similar products Kowa High Lander 32x82 Prominar Pure Fluorite Binocular. The High Lander is the ultimate in large binoculars. The twin 82 mm. PROMINAR fluorite crystal objective lenses possess excellent light gathering capabilities and provide for a bright field of view. The High Lander is the perfect binocular for a wide variety of applications. Twin 32x eyepieces are included while other, fixed power eyepieces are sold separately. The fluorite crystal makes for the ideal lens material with ultra-low dispersion properties not possessed by ordinary, optical glass. This outstanding specification adds the featured benefit of a near-completely reduction in chromatic aberration, or color blur, to provide you with the ultimate viewing experience. All surface glass is multi-coated, providing a precise color definition for a brighter and sharper image. The High Lander's housing is waterproof to JIS Protection Class 7 and is filled with dry nitrogen gas to prevent internal fogging. The included eyepieces have twist -up eye cups to allow customization for comfortable viewing even when wearing eyeglasses. The strong and durable construction of the body will hold up to all elements and conditions.	B0010YY88K Availability: Currently unavailable Score: 11.628 Category: Electronics Rating: 4.8 Votes: 3 Find similar products Oberwerk 9x60mm Binoculars OB9x60. Oberwerk Not only do you get big 60mm objectives - you get the same highest-quality BAK4 prisms that are found in much more expensive models. These are available in your choice of either 9x, 12x, 15x, or 20x magnification. All air-to-glass surfaces are fully broadband multi-coated to decrease light loss due to scattering and reflections, a feature normally found only on binoculars with much higher price tags. All Oberwerk binoculars have rugged rubber-armored metal bodies, all-glass lenses, right ocular diopter adjustment, brass 1/4-20 tripod adapter threading, case and caps. Features: -High-quality, light-weight 60mm binoculars. -Extra light-gathering power. -Ideal for a low-cost entry into binocular astronomy. -Also excellent for birding, nautical applications, and surveillance. -Objective size: 60mm. -Magnification: Choice of 9x. -Prism: BAK4. -Optic coating: Fully broadband multi-coated. -Field of view: 9x- 95m at 1000m (5.5°). -Exit pupil diameter: 9x- 6.6mm. -Exit pupil distance (eye relief): 9x- 16mm. -Minimum focus distance: 9x- 10m. OB9x60.
B003C7QOI0 Price: $107.79 Score: 11.236 Category: Electronics Rating: 3.7 Votes: 10 Find similar products Konus Emperor Green 10X42 Binocular. Designed and built to achieve a supreme optical quality, these binoculars will leave you breathless with the impeccable brightness and clarity of their special BAK-4 prisms with Phase Correction. This is an advanced coating technique that will force the light beams back into phase, thus improving the image definition and contrast and creating a sharper view, especially noticeable when observing fine details. The other features of the Emperor binoculars are: waterproof and nitrogen purged body, wide angle eyepieces, extra long eye relief and twist up eyecups, along with an attractive and edgy design.	B001S8LRPA Availability: Currently unavailable Score: 10.989 Category: Electronics Rating: 4.3 Votes: 17 Find similar products BARSKA Waterproof Storm Open Bridge Binoculars. Product Description 12x60 Binoculars Amazon.com Barska Storm Series Binoculars Adjustable for any environment Barska Storm Series Binocular: Big Size for Big Results If great optics are what you are in the market for, look no further than the Barska Storm series 12x60 porro prism binoculars. Also available in a 10x50 model, the binoculars offer an impressive 257-foot field of view at 1,000 yards, providing a perspective that will take your breath away. The binoculars--which fit in your hand or mount onto a tripod for increased stability--feature fully multicoated optics and BaK-4 prisms to create crisp, clear images regardless of the subject. Viewers can also quickly and precisely focus the binoculars using the large center focus knob and the separate diopter adjustment. Built for the Elements No matter what the viewing conditions are like, the binoculars stay protected thanks to the 100-percent waterproof and fogproof housing. Other features include a protective rubber armoring for added shock and moisture protection, an advanced open bridge design, fold-up eyecups, and tripod-adaptable fittings. What's in the Box With your purchase, you’ll receive a 1-inch dual cantilever ring scope mount, flip-up scope caps, and (1) CR2032 3V Lithium Battery. Because this scope is built to last, BARSKA offers a Limited Lifetime Warranty. About Barska Barska is a worldwide sport optics company with strong brand recognition within the optics industry, with corporate offices in La Verne, California, and warehouses and distribution centers in La Verne and Shanghai, China. Barska offers an extensive line of precision sport optics products, such as binoculars, riflescopes, spotting scopes, and telescopes. The product range has been designed and built with the latest optical technology, allowing users to enjoy all their favorite leisure time outdoor activities, including bird watching, outdoor observation, hunting, fishing, stargazing, concerts, and sporting events. Product Specifications Magnification: 12x Magnification: 12x Objective lens: 60mm Objective lens: 60mm Prism type: Porro Prism type: Porro Prism glass: BaK-4 Prism glass: BaK-4 Exit pupil: 4.9mm Exit pupil: 4.9mm Optical coating: Fully multicoated Optical coating: Fully multicoated Focus system: Center Focus system: Center Field of view: 257 feet @ 1,000 yards Field of view: 257 feet @ 1,000 yards Close focus distance: 59 feet Close focus distance: 59 feet Eye relief: 19mm Eye relief: 19mm Weight: 24.32 ounces Weight: 24.32 ounces Warranty: Limited lifetime Warranty: Limited lifetime.
B07BNWZQRM Price: $345.95 Score: 10.101 Category: Electronics Rating: 4.4 Votes: 3693 Find similar products Celestron – SkyMaster 25X100 Binocular – Outdoor and Astronomy Binoculars – Powerful 25x Magnification – Giant Aperture for Long Distance Viewing – Multi-coated Optics – Carrying Case Included. Celestron has designed and engineered the largest SkyMaster models to meet the special demands of extended astronomical or terrestrial viewing sessions. Our large aperture powerful binoculars ensure high performance in all weather conditions and are ideal for astronomical viewing, or terrestrial use. Each SkyMaster model features high-quality BaK-4 prisms and multi-coated optics for enhanced contrast, with bright, sharp image quality—even in dim conditions. A practical integrated tripod adapter rod allows you to enjoy extended hands-free viewing sessions by simply mounting your SkyMaster powerful binoculars on any sturdy photographic tripod. Our SkyMaster model features soft, rubber eyecups that block stray light and are comfortable to use. Eyeglass wearers can fold down the eyecups to enjoy a better viewing experience. For maximum stability and secure optical alignment, the 100mm SkyMaster model features enhanced structural reinforcement to the main binocular body. The purchase of our Celestron SkyMaster 25x100 powerful binoculars includes an objective lens cap, a rainguard, a deluxe carrying case, a neck strap, a lens cloth, and an instruction manual. Buy with confidence from the world’s No.1 telescope brand and a leading binocular manufacturer, based in California since 1960. You’ll also receive a Limited Lifetime warranty and unlimited access to technical support from our team of US-based experts.	B0000A0AEA Availability: Currently unavailable Score: 9.901 Category: Electronics Rating: 4.5 Votes: 4 Find similar products Bushnell Powerview 9-27x25 Zoom Binocular. From the Manufacturer Travelers, nature observers and concert goers take note: The PowerView series offers the largest line of Bushnell quality, affordable binoculars. No matter what your purpose, you'll find a variety of magnifications, styles and sizes, and fully coated optics for bright, vivid images. Standard-size models feature Insta-Focus for fast and easy focus on moving targets. The porro prism line-up provides great durability and performance in an attractive traditional porro prism design. Compact to full-sized, the contemporary styling houses fully coated optics. Suffice to say, images are crisp, clear and bright - even in low light. Affordable for any and all interested in magnifying life to its fullest. Specifications for this Bushnell binocular include: Magnification: 9-27x Magnification: 9-27x Objective lens: 25mm Objective lens: 25mm Field of view at 1,000 yards: 170 feet at 9x, 95 feet 27x Tech Talk Objective Lens: The diameter of the objective or front lens. The larger the objective lens, the more light that enters the binocular, and the brighter the image. Field of View (F.O.V.): The side-to-side measurement of the circular viewing field or subject area. It is defined by the width in feet or meters of the area visible at 1000 yards or meters. A wide angle binocular features a wide field of view and is better for following action. Generally, the higher the magnification, the narrower the field of view. Porro Prism System: In porro prism binoculars the objective or front lens is offset from the eyepiece. Porro prism binoculars provide greater depth perception and generally offer a wider field of view. Field of view at 1,000 yards: 170 feet at 9x, 95 feet 27x Tech Talk Objective Lens: The diameter of the objective or front lens. The larger the objective lens, the more light that enters the binocular, and the brighter the image. Field of View (F.O.V.): The side-to-side measurement of the circular viewing field or subject area. It is defined by the width in feet or meters of the area visible at 1000 yards or meters. A wide angle binocular features a wide field of view and is better for following action. Generally, the higher the magnification, the narrower the field of view. Porro Prism System: In porro prism binoculars the objective or front lens is offset from the eyepiece. Porro prism binoculars provide greater depth perception and generally offer a wider field of view.
B0000XMRB2 Price: $129.99 Score: 9.709 Category: Electronics Rating: 4.2 Votes: 15 Find similar products Orion 09350 UltraView 8x42 Wide-Angle Binoculars (Black). Eyeglass wearers know how frustrating it can be using binoculars. You have to take your glasses off with one hand and hold the binocular up to your eyes with the other. Then, you must lower the binocular and replace your glasses to scan the scene again with just your eyes. Playing this on-and-off game gets pretty annoying. You've tried leaving your eyeglasses on, but it's like looking through a keyhole: you can't see the whole field of view. And you've tried to get by without your glasses, but everything in the distance is too blurry. Orion UltraViews are the answer. They are the ultimate in eyeglass- and sunglass-friendly binoculars! Their extra-long 22mm eye relief allows the full field of view to be seen with eyeglasses on, simply by retracting the twist-lock rubber eyecups. That's a real luxury! UltraView binoculars are also long on optical quality. Designed exclusively for Orion by a premier Japanese high-quality optics company, UltraViews feature the finest BAK-4 glass prisms, and lenses finely ground and polished to exacting specifications. All lens and prism air-to-glass surfaces are fully multi-coated, providing much higher light transmission than can be achieved with the standard coatings offered on most other binoculars. Colors are pure and images are tack-sharp right out to the edges. The large center focus wheel allows quick focusing with just a fingertip. The Orion UltraView 8x42 Wide-Angle Binocular is the ideal size for birding, nature observation, and traveling. Delightfully wide 8.2 degree field of view. Birders also love the exceptionally close focus of 12 feet. 8x magnification, 5.3mm exit pupil, extra-long 22mm eye relief. Weighs 27 oz. The Orion UltraView 8x42 binocular comes with a rugged soft field case, objective lens caps, and a deluxe wide neck strap. The binocular has a threaded socket to accept a tripod adapter. Designed exclusively for Orion by a premier Japanese high-quality optics company.	B09YQGRG1Q Price: $109.99 Score: 9.615 Category: Electronics Rating: 4.5 Votes: 7648 Find similar products Celestron – SkyMaster 15x70 Binocular – #1 Bestselling Astronomy Binocular – Large Aperture for Long Distance Viewing – Multi-coated Optics – Carrying Case Included – Ultra Sharp Focus. Product Description Celestron’s SkyMaster series of large aperture binoculars are a phenomenal value for high performance binoculars ideal for astronomical viewing or for terrestrial (land) use - especially over long distances. Each SkyMaster model features high quality BaK-4 prisms and multi-coated optics for enhanced contrast. Celestron has designed and engineered the larger SkyMaster models to meet the special demands of extended astronomical or terrestrial viewing sessions. Amazon.com Binoculars come in a wide range of shapes and sizes these days, and an even wider range of prices. It's easy to spend less than $100 or more than $500 for what may appear to be, at least outwardly, comparable models. While they may look the same, they are probably quite different on the inside. From the Manufacturer SkyMaster 15x70 Binocular (item #71009) SkyMaster 15x70 - General Features 15x magnification porro prism binocular 15x magnification porro prism binocular Large 70 mm objective lens offers maximum image brightness in low-light and long-range conditions Large 70 mm objective lens offers maximum image brightness in low-light and long-range conditions Ultra sharp focus across the field of view Ultra sharp focus across the field of view Multi-Coated optics for sharp, clear views Multi-Coated optics for sharp, clear views Suitable for terrestrial or astronomical viewing Suitable for terrestrial or astronomical viewing Protective rubber covering for ultra-firm grip Protective rubber covering for ultra-firm grip Large center focus knob for easy focusing Large center focus knob for easy focusing Tripod adapter included Tripod adapter included Long eye relief ideal for eyeglass wearers Long eye relief ideal for eyeglass wearers Carrying case included for travel and safe storage Carrying case included for travel and safe storage No Fault Warranty provides best protection and product support on the market No Fault Warranty provides best protection and product support on the market Details Celestron's SkyMaster Series of large aperture binoculars are a phenomenal value for high performance binoculars ideal for astronomical viewing or for terrestrial (land) use - especially over long distances. Each SkyMaster model features high quality BAK-4 prisms and multi-coated optics for enhanced contrast. Celestron has designed and engineered the larger SkyMaster models to meet the special demands of extended astronomical or terrestrial viewing sessions. The 15x70 version is one of the most popular models in the series. It offers serious large aperture light gathering in an affordable and reasonably lightweight configuration. Specs Optical Design: Porro Optical Design: Porro Diameter: 70 mm (2.76 in) Diameter: 70 mm (2.76 in) Magnification: 15 x Magnification: 15 x Angular Field of View: 4.4 ° Angular Field of View: 4.4 ° Linear Field of View (@1000 yds): 230 ft (70.1 m) Linear Field of View (@1000 yds): 230 ft (70.1 m) Exit Pupil: 4.7 mm (0.19 in) Exit Pupil: 4.7 mm (0.19 in) Eye Relief: 18 mm (0.71 in) Eye Relief: 18 mm (0.71 in) IPD Min: 56 mm (2.2 in) IPD Min: 56 mm (2.2 in) IPD Max: 72 mm (2.83 in) IPD Max: 72 mm (2.83 in) Near Focus (Binoculars): 43 ft (13.11 m) Near Focus (Binoculars): 43 ft (13.11 m) Prisms: BAK4 Prisms: BAK4 Optical Coatings: Multi-Coated Optical Coatings: Multi-Coated Caps: Yes Caps: Yes Strap: Yes Strap: Yes Carrying Case: Nylon Carrying Case: Nylon Weather Proof: Water Resistant Weather Proof: Water Resistant Tripod Adaptable: Yes Tripod Adaptable: Yes Weight: 48 oz (1360.78 g) Weight: 48 oz (1360.78 g) NO FAULT Binocular Warranty The No-Fault warranty is applicable to all Celestron binoculars. (excluding the VistaPix digital camera/binoculars which feature a 2-year warranty) A. Celestron warrants this binocular to be free from defects in materials and workmanship for its usable lifetime. Celestron will repair or replace such product or part thereof which, upon inspection by Celestron, is found to be defective in materials or workmanship. As a condition to the obligation of Celestron to repair or replace such product, the product must be returned to Celestron prepaid together with proof-of-purchase satisfactory to Celestron. The proper Return Authorization Number must be obtained from Celestron in advance of return. Call Celestron at (310) 803-5955 to receive the number to be displayed on the outside of your shipping container. You can also send an email for this number from the support section of the Celestron website. B. The NO FAULT provision of this warranty means that regardless of how the binoculars may have been damaged or rendered unusable (fully or partially) by the Owner of the binocular, Celestron will repair or replace the binocular without any questions being asked. To take advantage of this provision, enclose a check or money order for $ 25.00 (U.S. dollars) with the binocular to cover inspection, handling, and shipping. All returns must be accompanied by a written statement setting forth the name, address, and daytime telephone number of the owner, together with a brief description of any claimed defects. Parts or product for which replacement is made shall become the property of Celestron. Celestron shall use reasonable efforts to repair or replace any binocular covered by this limited warranty within thirty days of receipt. In the event repair or replacement shall require more than thirty days, Celestron shall notify the customer accordingly. Celestron reserves the right to replace any product which has been discontinued from its product line with a new product of comparable value and function. CELESTRON DISCLAIMS ANY WARRANTIES, EXPRESS OR IMPLIED, WHETHER OF MERCHANTABILITY OF FITNESS FOR A PARTICULAR USE, EXCEPT AS EXPRESSLY SET FORTH HEREIN. THE SOLE OBLIGATION OF CELESTRON UNDER THIS LIMITED WARRANTY SHALL BE TO REPAIR OR REPLACE THE COVERED PRODUCT, IN ACCORDANCE WITH THE TERMS SET FORTH HEREIN. CELESTRON EXPRESSLY DISCLAIMS ANY LOST PROFITS, GENERAL, SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES WHICH MAY RESULT FROM BREACH OF ANY WARRANTY, OR ARISING OUT OF THE USE OR INABILITY TO USE ANY CELESTRON PRODUCT. ANY WARRANTIES WHICH ARE IMPLIED AND WHICH CANNOT BE DISCLAIMED SHALL BE LIMITED IN DURATION TO A TERM OF ONE YEAR FROM THE DATE OF ORIGINAL RETAIL PURCHASE. Some states do not allow the exclusion or limitation of incidental or consequential damages or limitation on how long an implied warranty lasts, so the above limitations and exclusions may not apply to you. This warranty gives you specific legal rights, and you may also have other rights which vary from state to state. Celestron reserves the right to modify or discontinue, without prior notice to you, any model or style binocular. If warranty problems arise, or if you need assistance in using your binocular contact: Celestron Customer Service Department 2835 Columbia Street Torrance, CA 90503 U.S.A. Tel. (310) 328-9560 Fax. (310) 212-5835 Monday-Friday 8AM-4PM PST NOTE: This warranty is valid to U.S.A. and Canadian customers who have purchased this product from an Authorized Celestron Dealer in the U.S.A. or Canada. Warranty outside the U.S.A. and Canada is valid only to customers purchased from a Celestron Distributor or Authorized Celestron Dealer in the specific country and please contact them for any warranty service. See more.
B000W3Q5FE Availability: Currently unavailable Score: 9.615 Category: Electronics Rating: 5 Votes: 6 Find similar products ZEISS Carl Victory FL Binoculars (8x32). You will be convinced at first sight: The Victory FL binoculars produce razor-sharp detail and brilliant, fascinatingly bright images. Special lenses made of fluoride glass minimize chromatic aberrations and ensure high image definition – experience the whole picture and enjoy the visual experience. They are unbeaten when it comes to resolution, contrast and color fidelity, ideal for long, effortless use when out hunting. In terms of comfort they have even more to offer: High-performance optics have never been so light and easy to use. The Victory FL is therefore well qualified for versatile, ambitious observation over long periods of time. Become one with the Victory FL high-performance binoculars and experience their unique observational quality. For long deerstalking expeditions or hunting in mountainous terrain: fascinatingly bright images and razor-sharp details characterize the Victory 10x32 T* FL. The 10x magnification offers outstanding detail recognition, which you can use perfectly to your advantage for long-range shooting. The 32 mm Victory FL models were awarded the Red Dot Design Award”. They convinced the international jury with their optical excellence and clear, functional design. Details: - Magnification: 10x - Effective Lens Diameter: 32 mm - Exit Pupil Diameter: 3. 2 mm - Twilight Factors: 17. 9 - Field of View at 1000m: 120 m - Apparent Field of View, degrees: 69 - Close Focus: 2 m - Diopter Adjustment Range: +4/-4 dpr - Pupil Distance: 52-74 mm - Eye Relief: 15. 2 mm - Lens Type: FL-Type (4 Lenses) - Prism System: Schmidt-Pecan - Water Resistance: 400 mbar - Louted: Yes - Nitrogen Filling: yes - Functional Temperature: -30/+63 C - Height: 117 mm - Width at an eye width of 65 mm: 116 mm - Weight in Use: 560 g.	B00009R6SB Availability: Currently unavailable Score: 9.615 Category: Electronics Rating: 3.6 Votes: 22 Find similar products Bushnell Powerview 7-21x40 Zoom Binocular. Amazon.com Bushnell Powerview Zoom Binoculars are designed to provide high-quality optics in a versatile and durable format--at an affordable price. Constructed with a rugged, shock absorbing rubber armor for a comfortable, non-slip grip and equipped with the porro prism system to enhance the field of view, Powerview Binoculars are suitable for multiple applications both indoors and in nature. The 7-21x40 Zoom Powerview Binoculars provide adjustable magnification from 7x for a wide field view, up to 21x for an extremely detailed close up view. With fields of view that range from 288 to 172 feet at 1000 yards, these zoom binoculars are a great choice for field use and sporting events. Meanwhile BaK-7 prisms and multi-coated optics provide high-level image resolution and clarity, while the InstaFocus system adjusts easily as you change the zoom. Additional user friendly details include Fold-down eyecups and a tripod adaptable base. Bushnell Powerview Binoculars carry a limited lifetime warranty against defects in materials and workmanship for the original owner. Key Features: BaK-7 prisms BaK-7 prisms Porro prism system Porro prism system Multi-coated optics Multi-coated optics Variable power magnification Variable power magnification Non-slip, shock-absorbing rubber armor Non-slip, shock-absorbing rubber armor InstaFocus system InstaFocus system Fold-down eyecups Fold-down eyecups Tripod adaptable Specifications:Variable Magnification: 7 to 21x Objective Lens: 40 millimeters Close Focus: 20 feet / 6 meters Field of View at 7X Magnification: 288 feet at 1000 yards / 96 meters at 1000 meters Field of View at 16X Magnification: 172 feet at 1000 yards / 57 meters at 1000 meters Eye Relief: 9 millimeters Exit Pupil at 7x Magnification: 5.7 millimeters Exit Pupil at 21x Magnification: 1.9 millimeters Weight: 25 ounces / 709 grams Model: 132140 Size Class: Standard About Porro Prism Binoculars: The prism system of a binocular reduces the size needed to contain a long optical path and turns what would be an upside-down image right-side-up. In porro prism binoculars, the objective or front lens is offset from the eyepiece. Porro prism binoculars provide greater depth perception and generally offer a wider field-of-view. Tripod adaptable Specifications: Variable Magnification: 7 to 21x Variable Magnification: 7 to 21x Objective Lens: 40 millimeters Objective Lens: 40 millimeters Close Focus: 20 feet / 6 meters Close Focus: 20 feet / 6 meters Field of View at 7X Magnification: 288 feet at 1000 yards / 96 meters at 1000 meters Field of View at 7X Magnification: 288 feet at 1000 yards / 96 meters at 1000 meters Field of View at 16X Magnification: 172 feet at 1000 yards / 57 meters at 1000 meters Field of View at 16X Magnification: 172 feet at 1000 yards / 57 meters at 1000 meters Eye Relief: 9 millimeters Eye Relief: 9 millimeters Exit Pupil at 7x Magnification: 5.7 millimeters Exit Pupil at 7x Magnification: 5.7 millimeters Exit Pupil at 21x Magnification: 1.9 millimeters Exit Pupil at 21x Magnification: 1.9 millimeters Weight: 25 ounces / 709 grams Weight: 25 ounces / 709 grams Model: 132140 Model: 132140 Size Class: Standard About Porro Prism Binoculars: The prism system of a binocular reduces the size needed to contain a long optical path and turns what would be an upside-down image right-side-up. In porro prism binoculars, the objective or front lens is offset from the eyepiece. Porro prism binoculars provide greater depth perception and generally offer a wider field-of-view. Size Class: Standard About Porro Prism Binoculars: The prism system of a binocular reduces the size needed to contain a long optical path and turns what would be an upside-down image right-side-up. In porro prism binoculars, the objective or front lens is offset from the eyepiece. Porro prism binoculars provide greater depth perception and generally offer a wider field-of-view. From the Manufacturer Travelers, nature observers and concert goers take note: The PowerView series offers the largest line of Bushnell quality, affordable binoculars. No matter what your purpose, you'll find a variety of magnifications, styles and sizes, and fully coated optics for bright, vivid images. Standard-size models feature Insta-Focus for fast and easy focus on moving targets. The porro prism line-up provides great durability and performance in an attractive traditional porro prism design. Compact to full-sized, the contemporary styling houses fully coated optics. Suffice to say, images are crisp, clear and bright - even in low light. Affordable for any and all interested in magnifying life to its fullest. Specifications for this Bushnell binocular include: Magnification: 7-21x Magnification: 7-21x Objective lens: 40mm Objective lens: 40mm Field of view at 1,000 yards: 288 feet at 7x, 172 feet at 21x Tech Talk Objective Lens: The diameter of the objective or front lens. The larger the objective lens, the more light that enters the binocular, and the brighter the image. Field of View (F.O.V.): The side-to-side measurement of the circular viewing field or subject area. It is defined by the width in feet or meters of the area visible at 1000 yards or meters. A wide angle binocular features a wide field of view and is better for following action. Generally, the higher the magnification, the narrower the field of view. Porro Prism System: In porro prism binoculars the objective or front lens is offset from the eyepiece. Porro prism binoculars provide greater depth perception and generally offer a wider field of view. Field of view at 1,000 yards: 288 feet at 7x, 172 feet at 21x Tech Talk Objective Lens: The diameter of the objective or front lens. The larger the objective lens, the more light that enters the binocular, and the brighter the image. Field of View (F.O.V.): The side-to-side measurement of the circular viewing field or subject area. It is defined by the width in feet or meters of the area visible at 1000 yards or meters. A wide angle binocular features a wide field of view and is better for following action. Generally, the higher the magnification, the narrower the field of view. Porro Prism System: In porro prism binoculars the objective or front lens is offset from the eyepiece. Porro prism binoculars provide greater depth perception and generally offer a wider field of view.