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B01LWSZVNS Availability: Currently unavailable Score: 1000.000 Category: Electronics Rating: 4.5 Votes: 4 Find similar products Celestron CGEM II 800 EdgeHD 8 Schmidt-Cassegrain Telescope. CGEM II 800 HD combines Celestron's newly redesigned CGEM II computerized equatorial mount with its acclaimed EdgeHD optical system. With 8 inches of aperture and our premium StarBright XLT coatings, the CGEM II 800 HD gives you over 800 times the light gathering power than the unaided eye and is the lightest and most portable telescope in its class. OPTICAL TUBE INFO: See the Universe in HD EdgeHD is an aplanatic, flat field Schmidt-Cassegrain telescope that produces aberration-free images across a wide visual and photographic field of view. The optical system was designed to reduce more than just off-axis star coma; it also provides an astrograph-quality flat focal plane all the way to the edge of the field of view. True Astrograph Quality Many optical designs that advertise themselves as astrographs actually only produce pinpoint stars across a curved focal plane. While this may be acceptable for some visual observing, stars will appear out of focus at the edge when used with the flat chip sensor of a digital camera. EdgeHD optics produce a focal plane more than three-times flatter than a standard Schmidt-Cassegrain telescope and dramatically flatter than competing coma-free designs. This guarantees you visibly sharp stars across some of the largest CCD chips available today. Learn more about EdgeHD technology. Improved Performance Superior edge performance not only creates rounder, more pleasing stars, but actually improves the resolution and limiting magnitude when compared to telescopes of equal aperture. With Celestronâs StarBright XLT optical coatings on every surface, EdgeHD optics gives you maximum light throughput across the widest visual and photographic spectrum. Mechanical FeaturesIn addition to EdgeHDâs optimized optical design, the telescope tube has been redesigned to make sure you get the most from your optics each and every night. Mirror clutches- Flexible tension clutches hold the mirror in place and reduce image shift when taking long exposure astro-images. Once focused, the flexible rods allow the mirror to be held in place without putting any force or pressure on the mirror assembly, keeping the image centered in the eyepiece (or on the sensor). Tube vents- Cooling vents located on the rear cell allow hot air to be released from behind the primary mirror. Each vent has an integrated 50-mesh filter guaranteed to let warm air out without letting dust in. Fastar versatility- EdgeHD is the most versatile imaging telescope available today. At its native f/10, you can achieve the image scale necessary to capture the smallest of deep sky objects. Add the optional reducer lensâcustom-designed for your size EdgeHD tubeâand you can increase your field of view without sacrificing optical performance. A Barlow lens gives you added power for high-resolution planetary, lunar and solar imaging. All EdgeHD optical tubes are Fastar-compatible, allowing the secondary mirror to be removed and replaced with a third party lens accessory for ultra-fast f/2 wide field imaging. Individually Tested Every EdgeHD that ships has been tested not only for the surface quality of each optical component, but also with a camera and artificial star to ensure the imaging system meets our rigid quality assurance. This âfinal acceptance testâ confirms the EdgeHD will perform in the field and deliver high-quality astroimages. MOUNT INFO: A fresh update to the venerable CGEM mount, the CGEM II has a fresh, attractive, bold appearance and is capable of carrying Celestronâs higher-end SCT optical tubes (up to 11) securely and vibration free, which is ideal for both imaging and visual observing. Capable of holding 40 lbs. of payload and slewing at 5Â° per second, you will be able to instantly point to any of the celestial objects in the database. ERGONOMIC DESIGN CGEM II was designed to be ergonomically friendly with large Altitude and Azimuth adjustment knobs for quick and easy polar alignment adjustment. The internal RA and DEC motor wiring provides a clean look and an easy and trouble free set up. INNOVATION The CGEM II series features Celestronâs innovative Polar alignment procedure called All-Starâ¢. All-Star allows users to choose any bright star, while the software calculates and assists with polar alignment. Another great feature of the CGEM II sure to please astroimagers, is the Permanent Periodic Error Correction (PEC) which will allow users to train out the worm gears periodic errors, while the mount retains the PEC recordings. PERFORMANCE For objects near the Meridian (imaginary line passing from North to South), the CGEM II will track well past the Meridian for uninterrupted imaging through the most ideal part of the sky. The CGEM II mount has a robust database with over 40,000 objects, 100 user defined programmable objects and enhanced information on over 200 objects. Celestron's CGEM II mount is the perfect fit between the Advanced Series and CGE Series. Offering the portability of the Advanced Series and the precision of the CGE.	B002JO1L2Q Availability: Currently unavailable Score: 9.434 Category: Electronics Rating: 5 Votes: 2 Find similar products Orion Premium 190mm f/5.3 Mak-Newt Astrograph Telescope. The Premium 190mm Mak-Newt Astrograph delivers crisply detailed and colorful images of deep-sky phenomena with its flat-field, coma-suppressed optics. The telescope's all-machined dual-speed 2 Crayford-style focuser with 11:1 fine focus control provides smooth motion and secure support for DLSR cameras, dedicated astrophotography cameras, and heavy visual accessories. The focuser includes 2 and 1.25 compression ring adapters for scratch-free insertion of eyepieces and other accessories. A T-thread adapter is included for direct attachment of a camera body (may require appropriate T-ring, sold separately). Two included tube rings and a narrow Vixen-style dovetail mounting bar are included for easy attachment of the 22 lb. telescope tube to appropriate mounts and tripods.The 190mm Maksutov-Newtonian Astrograph optics provide tremendous resolution with its optically fast f/5.3 design. The impressive 7.5 aperture ensures plenty of light-gathering ability to capture superb images of even the faintest of deep-sky gems. Attach a camera, such as a DSLR or Orion StarShoot astrophotography camera, and you'll be ready to start producing top-notch astrophotos in no time!The telescope's primary mirror is made of high-grade, low-expansion optical glass with enhanced reflectivity coatings for maximum performance. The primary mirror and the fully multi-coated BK7 meniscus lens combine to render truly spectacular images, with pinpoint stars across the entire field of view. The primary mirror and meniscus lens are securely held in place by three radially positioned nylon-tip set screws, which prevent any possibility of slippage or shifting. The 37.5-long metal tube contains five knife-edge internal baffles for exceptional contrast.The secondary mirror diameter of 64mm provides a very large illuminated field to take full advantage of larger CCD chips, found in DSLR cameras and many popular astrophotography cameras. The 100% fully illuminated field diameter of over 22mm produces brighter images with less vignetting compared to other telescope designs.
B000HDFYR4 Availability: Currently unavailable Score: 8.621 Category: Electronics Rating: 4 Votes: 1 Find similar products Orion Sirius 120ED EQ-G with Dual-Axis Drive. For the most demanding amateur astronomer, this premium telescope combines superb optical performance, rock solid stability, and precise, automatic object thousands more, the 120ED EQ-G is worth a look if you are serious about observing or photography. The 900mm focal length (f/7.5) is great for planetary and deep-sky work. ED glass is one of the two objective lens elements and multi-coating on all air-to-glass surface means light isn't marred by chromatic aberration, or color fringing. The Sirius mount has a CCD autoguider port, periodic error correction (PEC), latitude and azimuth adjustments for polar alignment, and an illuminated polar axis scope. Optional GoTo controller provides pushbutton access to 13,400+ objects. Comes with 2 mirror star diagonal that accepts 1.25 eyepieces, 25mm 1.25 Sirius Plossl eyepiece, and 8x40 finder. Requires a 12-volt DC power source or an AC adapter. One-year limited warranty.	B09T94NJQD Price: $449.99 Score: 8.403 Category: Electronics Rating: 4 Votes: 9 Find similar products Orion Skyline 6 Dobsonian Reflector Telescope. The Orion SkyLine 6 Dobsonian features an 6 152mm diameter parabolic primary mirror with 94%-96% reflectivity for bright views of celestial treats. The telescope's long 1200mm focal length (f/7.9) will provide some serious magnifying power for observing the Moon and planets, while yielding bright views of deep-sky treats such as star clusters and nebulas. Just aim the optical tube at your target using the included 6x30 crosshair finder scope, then look into the fully multi-coated 25mm or 9mm Plossl eyepiece - it comes with both! - to see your subject at 48x power or a whopping 133x power! The telescope glides smoothly on its base, with adjustable tension on the azimuth (left/right) axis and spring tension on the altitude (up/down) axis. The bearings on both the altitude and azimuth axes are made of UHMW, for silky smooth motion. One standout feature of the Orion SkyLine 6 Dobsonian is its premium quality focuser. No standard-issue cast-metal jobbie, it is a completely CNC machined, single-speed 1.25 Crayford focuser that lets you bring your targets into snappy focus quickly and effortlessly. Having such smooth, incremental focusing control lets you home in on minute surface details, like the cloud bands of Jupiter, the rings of Saturn, and albedo markings on Mars. A handy eyepiece rack for the Dobsonian base is included, which provides a convenient storage spot for your telescope eyepieces and other accessories. Also included is a quick-collimation cap for use in aligning the telescope's mirrors for peak performance. With an assembled weight of 37.5 lbs., the SkyLine 6 Dobsonian is a big but still very portable telescope. The optical tube can be separated quickly from the Dobsonian base for easy, two-component transport, and the base is even outfitted with a large carrying handle. The individual weights of the base and optical tube without accessories are 23.5 lbs. and 12.5 lbs., respectively.
B01066PM46 Availability: Currently unavailable Score: 8.403 Category: Electronics Rating: 5 Votes: 4 Find similar products Sky-Watcher Quattro 300P Imaging Newtonian - Large Aperture 12-inch Reflector Optical Tube for Astrophotography. The Quattro Imaging Newtonian is one of the most affordable telescopes with a f/4 focalratio. This astrograph is capable of producing an exposure 6x faster than any f/10 optical tube.Even pricey refractors have trouble reaching a focal ratio this fast. Using a faster optical tubewill shorten the exposure time, giving you more time to photograph nebulae, clusters, and otherdeep sky objects.Like all Sky-Watcher reflectors, our Quattro Imaging Newtonian features aluminum-coated borosilicate mirrors with a quartz overcoat, producing 94% reflectivity. The opticalsystem uses an oversized secondary mirror, providing greater illumination for DSLRs and CCDsusing full-frame sensors. The optical tube is constructed with rolled steel, and features Sky-Watcher’s signature metal-flake Black Diamond finish on the exterior. The interior of the opticaltube uses knife-edge baffles to absorb any stray light from ruining your images.As customary with all Sky-Watcher telescopes, a boat-load of accessories are bundledwith the optical tube. First is a 2-inch dual-speed 10:1 focuser with included 1.25-inch eyepieceadapter, which provides flexibility for either 1.25-inch or 2-inch eyepieces. Also included aretube rings and a V-style dovetail plate, as well as a 9x50 finderscope. For photographerslooking to create a flat field and eliminate vignetting, an optional coma corrector is availableseparately. Parabolic mirrors normally produce some aberrations around the edge of the field ofview (coma), so this corrector is highly recommended for users with large imaging sensors and full-frame DSLRs.	B000051TN2 Availability: Currently unavailable Score: 8.197 Category: Electronics Rating: 2.3 Votes: 3 Find similar products Celestron Firstscope 80EQ 80mm Refractor Telescope. Product description Refractor telescopes have a long, thin tube in which light passes in a straight line from the front objective lens directly to the eyepiece, at the opposite end of the tube. Simplicity of design, which translates into reliability and ease of use Little or no maintenance requirements Excellent lunar, planetary and binary star viewing. High contrast images with no secondary mirror or diagonal obstruction. Sealed optical tube, to protect the optics and reduce air currents, which tend to degrade image quality. Permanently mounted and aligned objective lens. Celestron's 80mm refractor is a top choice for beginning observers who want to start with a more powerful telescope and for intermediate level astronomers. This instrument performs equally well viewing within our solar system and for deep-sky observing. Starting with a more powerful telescope can be a good option when you're looking for an instrument to grow with as you explore the hobby of astronomy. Firstscope 80EQ The Firstscope 80 EQ (Model #21086) is a good choice for the more serious beginning astronomer. The setting circles and slow motion controls on the R.A. and DEC. axes allow for greater control in both locating and tracking objects, making this equatorial telescope one you can grow with over time as your observing interests expa nd. The achromatic optics are made to Celestron's exacting specifications and are quite excellent. Th Amazon.com The FirstScope 80 EQ is a good choice for the more serious beginning astronomer. The setting circles and slow motion controls on the R.A. and DEC. axes allow for greater control in both locating and tracking objects, making this equatorial telescope one you can grow with over time as your observing interests expand. These telescopes have all glass components, coated optics and smooth functioning mounts, with the added benefit of slow motion controls on the mount for easy adjustments. The FirstScope 80 telescope tubes are glossy black aluminum. The German equatorial mount features setting circles and slow motion controls on the R.A. and DEC axes. These controls will enhance your viewing experience by simplifying both locating and tracking objects. When you're looking for a telescope offering a bit more versatility and control than the altazimuth models, these are the telescopes to consider. The equatorial mount is larger and more rugged than the one supplied with the FirstScope 60's. The tripod is also larger and more rugged than offered on the 60mm sizes or on most competitive 80mm models. The achromatic optics are made to Celestron's exacting specifications and are quite excellent. The standard accessories for this telescope add up to a highly desirable viewing instrument that performs superbly. The FirstScope 80EQ Specifications: 80mm (3.1) Refractor 80mm (3.1) Refractor 900mm Focal Length, f/11 900mm Focal Length, f/11 Equatorial Mount with Setting Circles and Slow Motion Adjustment Cables Equatorial Mount with Setting Circles and Slow Motion Adjustment Cables Sturdy Adjustable Aluminum Tripod with Accessory Tray Sturdy Adjustable Aluminum Tripod with Accessory Tray Telescope Weight: 18 lb. Telescope Weight: 18 lb. The FirstScope 80EQ Standard Accessories: 1-1/4 20mm (45x), 10mm (90x) Eyepieces 1-1/4 20mm (45x), 10mm (90x) Eyepieces 90º Star Diagonal 1-1/4 90º Star Diagonal 1-1/4 StarPointer Finderscope StarPointer Finderscope Equatorial Mount Equatorial Mount The Sky L1 CD ROM The Sky L1 CD ROM Moon Viewing 101 The moon is often one of the first celestial objects a beginner will look at through his or her telescope. Here are a couple hints for you once you get your hands on your new FirstScope 80. Often, it is tempting to look at the Moon when it is full. At this time, the face we see is fully illuminated and its light can be overpowering. In addition, little or no contrast can be seen during this phase. One of the best times to observe the Moon is during its partial phases (around the time of first or third quarter). Long shadows reveal a great amount of detail on the lunar surface. At low power you will be able to see most of the lunar disk at one time. The optional Reducer/Corrector lens allows for breath-taking views of the entire lunar disk when used with a low power eyepiece. Change to higher power (magnification) to focus in on a smaller area. Choose the lunar tracking rate from the NexStar's MENU tracking rate options to keep the moon centered in the eyepiece even at high magnifications.
B001FQMU7Y Availability: Currently unavailable Score: 8.065 Category: Electronics Rating: 4 Votes: 1 Find similar products Orion StarMax 90mm EQ Maksutov-Cassegrain Planetary Viewing. If you want a quality telescope that's portable, powerful, and optically precise, you want our StarMax 90 EQ. Similar scopes on the market have plastic gadgetry, inferior optics, and heart-stopping prices. Not ours! The StarMax 90 EQ features light-grabbing 90mm Maksutov-Cassegrain optics that provide hours of observing pleasure whether your quarry is planets or deep-sky objects. Its long focal length renders a generous image size and magnifying range - up to 200x with optional eyepieces - and the fully multi-coated front corrector lens ensures maximum light transmission. This telescope comes with the sturdy EQ-1 equatorial mount with slow motion controls for manual tracking and an aluminum tripod with accessory tray. Also includes a 25mm Sirius Plossl eyepiece, 90-deg mirror star diagonal, 6x20 finder scope, and a fully padded carrying case for the tube, eyepieces and finder scope. And now for a limited time, receive a free 6mm Edge-On Planetary eyepiece (a $99.95 value) when you purchase a SkyView Pro 150mm GoTo Mak-Cass!.	B07DKYQHTF Availability: Currently unavailable Score: 8.000 Category: Electronics Rating: 5 Votes: 3 Find similar products Omegon Telescope ProNewton N 153/900 OTA. Omegon Pro Newtonian - How to start your astronomy with a real boost Astrophotography or visual observing? This is not a relevant question for this OTA - it works really well for both. This series thrives on the elements that make an OTA a powerful tool for astronomy. Enjoy sharply etched lunar craters, planets showing a wealth of detail, and deep sky objects that simply look brighter than through standard telescopes. The Omegon Pro Newtonian does not do things by halves - the workmanship and quality are first rate, ensuring everything works a treat for your exploration of the night sky. The advantages in a nutshell - excellently engineered OTA - enjoy your observing for many years to come - BK-7 main mirror with 94% reflection - brighter images and much more contrast than a standard mirror - 2 Crayford focuser - smooth focusing so you can easily find the exact point of focus - great back focus - connect your SLR camera or any other cameral - easy set-up - the prism system means the OTA will fits onto any mounts using a Synta/Vixen/Skywatcher/Celestron system High quality metal OTA with excellent processing The telescope's OTA offers you a sound introduction to a fascinating hobby. No cheap plastic, but metal together with excellent workmanship. This is an important prerequisite in the world of telescopes as it ensures you will continue enjoying your observing for many years to come. BK7 glass primary mirror The centrepiece is the main mirror, which is made from BK7 glass. In contrast to 'ordinary.
B00GGY02QG Price: $224.99 Score: 8.000 Category: Electronics Rating: 4.5 Votes: 2 Find similar products AmScope T380C Professional Compound Trinocular Microscope, 40X-2500X Magnification, WF10x and WF25x Eyepieces, Brightfield, LED Illumination, Abbe Condenser, Double-Layer Mechanical Stage, 85-265V Wide-Voltage Power Supply. The AmScope T380C compound trinocular microscope has interchangeable pairs of 10x widefield and 25x widefield eyepieces, a reverse-mounted nosepiece with four DIN achromatic objectives, Brightfield LED illumination, and a double-layer mechanical stage. The trinocular head has a Siedentopf binocular mount with an adjustable 48 to 75mm interpupillary distance, a fixed 30-degree vertical inclination to reduce eye and neck strain, and a 360-degree rotation capability to provide a more comprehensive view and enable sharing. Dioptric adjustment accommodates individual eye-strength differences. The vertical trinocular port accepts a camera with a 23mm or C-Mount adapter (camera sold separately). The reverse-mounted nosepiece has 4x, 10x, 40xS (spring), and 100xS (spring, oil) DIN achromatic objectives that combine with the eyepieces to provide color correction of magnified images. The 40xS objective is spring loaded to prevent slide damage when focusing. The 100xS spring-loaded oil-immersion objective uses oil between the specimen and the objective lens to provide increased resolution over a standard objective. A compound microscope is used for inspection and dissection of specimens when two-dimensional images are desired. The microscope has lower (transmitted, diascopic) Brightfield illumination that transmits light up through the specimen for enhanced visibility of translucent and transparent objects. Brightfield (BF) illumination allows the specimen to absorb light, resulting in a dark image on a light background. Rheostat-controlled LED illumination provides bright, cool light for working with temperature-sensitive or live specimens. The 1.25 NA Abbe condenser is mounted on a rack-and-pinion control system, can be adjusted to control the distance of the light from the stage, and has an iris diaphragm to optimize the amount of light illuminating the specimen. A swing-out filter holder accepts color filters. The double-layer mechanical stage, with 1mm stage divisions, locks the slide into place and provides precise slide manipulation along the X- and Y-axis to allow coordinates to be recorded, enabling the viewer to return to a specific location on the slide. Graduated coaxial coarse and fine focus enables measurements to be taken. The enamel-coated cast-steel body is durable and resistant to stains and corrosion. Specifications HeadCompound trinocularTrinocular port23mm or C-MountEyepiecesWF10x, WF25xObjectives4X, 10x, 40xS, 100xS (oil)StageDouble-layer mechanicalLighting configurationTransmitted (lower)Condenser1.25 NA AbbeDiaphragmIrisLight sourceLED, 3WIllumination typeBrightfieldPower85VAC-265VAC wide-voltage power supply Microscopes are instruments used to enhance the resolution of an object or image. Types include compound, stereo, or digital. Compound microscopes use a compound optical system with an objective lens and an eyepiece. Stereo microscopes show object depth in a three-dimensional image. Digital microscopes are used to display an image on a monitor, rather than looking through a lens. Microscopes can have monocular (one), binocular (two), or trinocular (three) eyepieces, with varying magnification abilities. Magnification ability refers to the size of an image. Resolution, also known as resolvant power, refers to the clarity of the image. The interaction between field of view (FOV), numerical aperture (NA), and working distance (WD) determines resolution. Microscopes can control magnification through a fixed focus, or through a range of adjustments. They can also utilize LED, fluorescent, and mirror light sources to help control viewing capabilities. Microscopes are widely used in education, lab research, biology, metallurgy, engineering, chemistry, manufacturing, and in the medical, forensic science, and veterinary industries. United Scope manufactures microscopy equipment and accessories under the brand name AmScope. The company, founded in 1996, is headquartered in Irvine, CA. What's in the Box? AmScope T380C microscope with double-layer mechanical stage AmScope T380C microscope with double-layer mechanical stage WF10x eyepiece, one pair WF10x eyepiece, one pair WF25x eyepiece, one pair WF25x eyepiece, one pair 4x DIN achromatic objective 4x DIN achromatic objective 10x DIN achromatic objective 10x DIN achromatic objective 40xS DIN achromatic objective 40xS DIN achromatic objective 100xS (oil) DIN achromatic objective 100xS (oil) DIN achromatic objective Immersion oil, one bottle Immersion oil, one bottle Color filters, blue and green Color filters, blue and green Dust cover Dust cover Power cord (US and Canada standard) Power cord (US and Canada standard) Instructions Instructions.	B000P5XLEW Availability: Currently unavailable Score: 7.874 Category: Electronics Rating: 4 Votes: 11 Find similar products Meade 90 Az-Adr 90mm A-Series Alt-Azimuth Refractor Telescope. Meade 90az-adr / 04085 90mm a-series equatorial reflector telescope 90mm 2.5 equatorial reflector design; 910mm focal length f/8;rack & pinion focuser; equatorial mount with slow-motion controls;setting circles; latitude control with scale; two 1.25 eyepieces ma9mm, ma25mm;red-dot viewfinder; aluminum tripod with accessory tray;astronomical software & instructional dvd.