• 90 mm aperture; 500mm focal length; compared with 70mm and 80mm; 90mm telescope has more light input and a wider field of view; observe the moon and deep space; which is very suitable for astronomy beginners
• Double speed focuser; the 2 inches rotatable double speed focuser; gear ratio of 1:10; precise adjustability for smooth operation
• The focusing mount with metal interface has higher interface accuracy; guarantees the parallelism of the optical axis; and enhances the observation experience
• Fully multil green coated lens; fitted with achromatic glass for good edge-to-edge viewing; fully multi green coated lens maximize light transmission eliminating false color
• 360 degrees rotation; convenient for photographic composition and visual observation; loosen the screw; the focus can be rotated 360 degrees; you can achieve astronomical shooting

Best Christmas Telescope for Kids and Astronomy Beginners

• The SV905C guiding camera and SV106 50mm guiding scope is the popular and sturdy auto-guiding system for Deep-Sky-Object photography;
• 50mm Guide scope will help guide you to capturing higher quality astrophotos;
• High power guide scope features a machined, knurled ring to make fine focus adjustments nice and easy, while a thumbscrew lets you lock-down the focuser in-place once adjustments are complete.

Auto-Guiding System Set Includes:

• SV905C Guiding Camera, SKU: F9198G
• SV106 50mm guiding scope, SKU: F9177A or SV106 60mm guiding scope, SKU: F9177B

• SV305C telescope camera adopts the latest IMX662 1/2.8” back-illuminated sensor. Ultra-high sensitivity and ultra-low readout noise, it has better performance in planetary photography and lunar surface photography, and is very suitable for EAA;
• One-key quick setting: high-speed mode and deep space long exposure mode in the sharpcap software, users can choose according to their actual shooting needs, and realize one-key quick setting. It can be saved for convenient one-key setting next time. The unique one-button operation mode makes planet shooting easier;
• UV/IR CUT protective glass with detachable design: If users want to shoot infrared or ultraviolet bands, they can remove the protective glass at the front of the camera by themselves, connect it with a 1.25-inch extension tube, and connect an external IR685, IR850 or UV Venus filter to achieve different shooting experience;
• Using HCG noise reduction technology, when the gain is increased, the HCG mode will be automatically turned on, which can greatly reduce the readout noise, and at the same time retain the high dynamic range of low gain. When the gain value of SV305C telescope camera is 190, HCG will be turned on automatically.

Consumer Reviews of SV305C

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• Multiple uses; SV191 7.2-21.6mm zoom eyepiece allows you to change magnification power without swapping out eyepieces;
• 1.25 inches standard eyepiece; not only for astronomical telescopes; but also for spotting scope;
• 7-Elements 4-Groups lens structure; 7-Elements 4-groups made of high index glass deliver sharp; high contrast vistas;
• M28.5*0.6 filter threads; base of SV191 zoom lens has a threaded adapter which allows standard 1.25in filter;
• 18-20mm eye relief; twist up rubber eyecup and 18-20mm long eye relief provides comfortable long term viewing for people with or without glasses.

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• SV215 zoom eyepiece is a good assistant for you to observe and take pictures of the planets; it is a good helper for the amateur astronomers to observe Venus; Mars; Jupiter; Saturn etc;
• Adjustable focal length; SV215 3 mm to 8mm zoom eyepiece equivalent to multiple eyepieces; this helps you to zoom in and out rather than changing lens;
• Parfocal across the entire zoom range; minor tweaking may be necessary; you do not need to refocus every time you change the focal length;
• Constant field of view and eye relief; the apparent field of view and the usable eye relief to stay the same as the focal length changes;
• Click and stops design; there are clicks and stops as you pass through the marked zoom levels; easy to use even in the dark
• Zoom ring moves smoothly; the zoom is smooth and gradual as you twist the eyepiece;
• 6-element of 4-group lens structure; fully multi-coated optics for remarkable sharpness; contrast and color correction.

Note: It's not suitable for spotting scopes. The front focal point of the SV215 is located inside the eyepiece body. It requires a main mirror with sufficient focusing range to ensure smooth and focused imaging.  

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Zoom Eyepiece eliminates the need to change eyepieces so you can spend more time viewing the night sky instead of fumbling in the dark when you want higher or lower magnifications.

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• 7-21mm zoom eyepiece; allows you to change magnification power without swapping out eyepieces; suitable for viewing the lunar surface; planets; nebulae; star clusters;
• 5-elements 3-groups lens structure; 5-elements 3-groups made of high index glass deliver sharp; high contrast vistas; get bright and true image colors;
• 52°-36° field of view; SV135 zoom eyepiece allows you to see different wide field of view under the same viewing conditions;
• 13mm-14mm eye relief; with rubber eyecup; provides comfortable long term viewing for people with or without glasses;
• Standard 1.25-inch interface; compatible with 1.25-inch telescopes and filter accessories; groove anti-drop design; effectively prevents accidental falling during use.

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• 7-21 zoom eyepiece; allows you to change magnification power without swapping out eyepieces; bring you a better observation experience in a comfortable situation with high-contrast imaging; designed primarily for viewing lunar surfaces; jupiter and saturn; nebulae; clusters; and diffuse nebulae;
• 7-Elements/4-groups structure; made of high index glass deliver sharp, high contrast vistas;
• A simple twist of the zoom eyepiece housing changes the focal length from 7mm to 21mm, providing a variety of viewing magnification powers;
• 15mm long eye relief; ensure relaxing observation and keep your eyes comfortable, especially for users who wear glasses; the rubber eye guard provides comfort and blocks unwanted stray light;
• M28.5*0.6 standard thread; convenient for connecting filter; compatible with 1.25-inch telescopes and accessories; works great for photography.

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• Dielectric coatings; super flat mirror with dielectric coatings to reduce reflected light loss; provide an over 99% reflective surface; good for astronomical viewing;
• The 1.25-inch nosepiece fits 1.25-inch telescopes and accepts standard 1.25-inch filters, eyepieces, Barlow lenses, and similar accessories; The 2-inch nosepiece is compatible with 2-inch telescopes and accommodates standard 2-inch filters and accessories. You can choose either 1.25inch or 2inch diagonal based on your requirements;
• 90 degree viewing angle; diagonal reflects the telescope’s light path 90 degree to provide a more comfortable viewing angle; best for observing objects overhead;
• Correct upside down and left right reversed image; the view image is upright; but left and right reversed if use the 90 degrees to your telescope;
• Brass compression ring; Built in brass ring and thumbscrew accessories avoid eyepiece to rotate during adjustments; effortless fixes more firmly and will not scratch your eyepieces barrels.

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Svbony 34mm super-wide 2inch telescope eyepiece for astronomic telescope, suitable for watching the scenery, bright celestial observations, nebula, and so on.

• SV705C telescope camera is not only for planetary imaging, but also super well for EAA (Electronically Assisted Astronomy) and nebula Imaging;
• IMX585 CMOS color sensor; Compared with IMX485, it produces up to 45 fps with super low readout noise. It also increases the sensitivity by approximately 1.7 times compared to IMX485. IMX585 has 3 times the number of full well charges, and has a very high signal-to-noise ratio;
• 1/1.2-inch frame, a pixel size of 2.9μm*2.9μm, a maximum resolution of 8.30 Mega Pixel (3586*2180), an imaging area of ​​11.2mm×6.3mm, and a diagonal of 12.85mm, which can obtain rich celestial details;
• The near-infrared sensitivity is 1.7 times that of the previous generation; which can greatly improve the near-infrared shooting efficiency and capture more details of celestial objects under the same exposure time;
• Dual-gain HDR; which still retains a very high dynamic range at high gain; about 8 times that of the previous generation; which can greatly reduce the read noise;
• Based on the back-illuminated sensor and advanced pixel technology; the SV705C's full well charge can reach 38ke; the peak QE of SV705C can reach about 90%; you will get the better image quality;
• The front end of the camera is a CS port; and is also equipped with a C-CS adapter ring; which can be used with C-mount lenses and CS-mount lenses to make time-lapse video; with a fisheye wide-angle lens; it can be used for all-day.

SV705C Connect with 2inch Field Flattener

• Firm locking; SV223 diagonal mirror has a clicklock locking mechanism; just turn the clicklock to securely fix the accessory; ensuring the eyepiece is installed and used stably; not easy to fall off
• Coating: 99% Reflectivity SV223 diagonal mirror has metal high reflective dielectric coating
• Surface accuracy: 1/10λ
• High-quality machining out of the aluminum; SV223 star diagonal is composed of High-quality aluminum elements; chic; light and stable; internal antireflection baffling for highest contrast
• 90 degrees design; SV223 star diagonal has a 90 degrees refraction angle; providing a better observation experience when visually observing.

SV223 vs Baader: Watch Now!

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Buy SV405CC Cooled Color Camera Get SV220 Dual-Band Filter 7nm 1.25 inches For Free

The product corresponding to the SKU is as follows:

• SA401 25-75X100 APO Spotting Scope, SKU: F9375B
• SC311 WIFI Camera IMX662 , SKU: F9384A
• SC001 Wifi Camera, SKU: F9373A 
• SA406 1.25inch adapter, SKU: W9170A
• SA402 Travel Tripod, SKU: W9159A 

Note: SA401 comes with an eyepiece

Reviews of SA401-SC311

• 50mm Aperture; SV198 is convenient for astronomers to find a target in the sky, by improving light-gathering capability, resolution, contrast, and overall usability;
• Position Clamp Screw; The 3 screws on the clamping ring ensure stable, shake-free equipment, easy angle fine-tuning, making it perfect for astronomy and photography;
• 12mm Fine Focusing; Guide scope with a millimeter scale and 12mm focal path enhances the overall effectiveness and accuracy of astronomical observations by providing clearer images, accurate targeting, and improved optical quality; 
• 45mm T2-Extension Tube; Design with thread M42*0.75; eliminates a range of focusing problems;Tube rings with Vixen compatible dovetail;
• Wide Compatibility; With an extension tube, the SV198 guide scope is compatible with SV905C guide cameras, as well as a star finder when adding to an standard eyepiece. 

Get Reviews

• 8x50 finder scope; 50mm large objective lens enables more light to enter; providing a bright image; making it easy to aim anywhere in the sky; a large field of view of 7.3 degrees;
• Erect image and humanized design; built-in BK7 correct-image roof prism ensures right-side-up; left-to-right correct views; which is in line with the basic observation habits of people;
• Dark field illumination function; under extremely dark observation conditions; the red LED illuminator can illuminate the reticle; assist observation and facilitate finding the target;
• Glass reticle; the glass reticle has higher seismic stability; high precision and long service life; at the same time effectively avoids the problem of the cross line blocking the target;
• Objective lens thread focus and reticle parallax compensation adjustment; ensure the target and the reticle are in the same focal plane; angle adjustment control knob can adjust the reticle and observation angle.

• The SC311 is designed with Sony IMX662 color CMOS sensor, which uses advanced STARVIS 2 technology. It has the characteristics of no amp glow and very low readout noise, higher sensitivity to red and near infrared(NIR) light；
• 2.4G WiFi technology let you can use 4 devices at the same time and share the fun of astronomy with your friends. Support Android and Apple systems, you can download them in the software store；
• 10M effective transmission sensing distance allows you to get rid of the shackles of the data cable, it is easier to realize the fun of astronomy observation outdoors；
• Built-in 2400mah lithium battery, it can support about 4 hours of continuous work, allowing you to have more time to focus on observations；
• Connect to our SvbonyAstro a software application designed by ourselves. You can do observation on your phone or pad and save them to the SC311 built-in TF card, and then easily share to social media.
• The SC311 camera can be connected via USB cable to a PC. You can use this camera to capture with the AstroDMx Capture program or etc. Also it complies with the standard UVC protocol and no need to install SVBONY driver.  

Reviews of SC311

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• Versatile 60mm aperture Guide Scope with a built-in helical focuser for precise focusing of potential guide stars; will help guide you to capturing higher quality astrophotos;an ideal addition to any astrophotographers collection of gear;
• The helical focuser simply moves the attached device inwards or outwards while maintaining its orientation;this convenient feature means your field of potential guide stars will not rotate as focus is adjusted, further increasing ease of use;
• For those nights when you don't plan to capture astrophotos exposures, this versatile Guide Scope can double as a straight-through finder scope with an optional 1.25" eyepiece installed;
• The focuser boasts 8 mm of precise helical focus travel;plus telescoping drawtube housing provides up to 35mm of additional back-travel if needed for your particular autoguider device; No extension tubes necessary; a compression ring fitting keeps any inserted autoguider cameras or eyepieces free of pesky scratches;
• The Multi-Use Guide Scope with Helical Focuser also features male T-threads on the focuser collar for secure threaded attachment of guide cameras equipped with female T-threads.

Note: The SV106 can connect directly to an eyepiece (8mm or longer) for imaging, resulting in an inverted image. This setup enables deep-sky observation without a fixed reference. However, adding a zenith mirror increases the weight of the star guide and will not achieve focus. 

• 50mm Guide scope will help guide you to capturing higher quality astrophotos. with its 50mm lens and smooth helical focuser, the versatile 50mm multi-use guide scope with helical focuser is an ideal addition to any astrophotographers collection of gear;
• Multi-use guide scope with helical focuser features a built-in helical focuser that allows precise focus adjustments with zero flexure for rigid performance. obtaining a clear, sharply focused view of potential guide stars is quick and easy with this sturdy scope;
• High power guide scope features a machined, knurled ring to make fine focus adjustments nice and easy, while a thumbscrew lets you lock-down the focuser in-place once adjustments are complete. The focuser boasts 8 mm of precise helical focus travel, plus telescoping drawtube housing provides up to 30 mm of additional back-travel if needed for your particular autoguider device;
• This complete guide scope comes with two heavy-duty guide scope rings and a 3.5" long, 1.18"wide dovetail mounting bar, which is compatible with dovetail finder scope bases for easy attachment. the dovetail bar features five threaded through-sockets for versatile attachment options. the included guide scope rings feature six metal thumbscrews for precise aiming;
• The quick guide scope with helical focuser also features male t-threads on the focuser collar for secure threaded attachment of guide cameras equipped with female t-threads.

Note: The SV106 can connect directly to an eyepiece (8mm or longer) for imaging, resulting in an inverted image. This setup enables deep-sky observation without a fixed reference. However, adding a zenith mirror increases the weight of the star guide and will not achieve focus. 

The SV550 refractor APO triplet apochromatic telescope 80mm DSO deep space vision and photography suits - combining the SV550 Telescope with the SV405CC deep space camera, SV209 field flattener, SV210 M63 CAA 360 degree rotator camera angle adjuster, SV191 zoom telescope eyepiece and a SV211 135mm handle bar, enables both deep sky vision & photography.

• WIFI connection; connect your smartphone for remote control; suitable for bird watching photography and target training; allow you to see the surface of the target in real time on your phone; greatly improve efficiency and comfort;
• CS-C interface; the front end of the camera is CS-mount; equipped with a CS-C adapter ring; which can be used with C-mount lenses or CS-mount lenses for shooting; time-lapse shooting is possible in schedule shooting mode;
• 32G TF card memory; equipped with 32G large-capacity TF card; it does not occupy the storage space of the mobile phone; you can download and share photos in real time;
• The camera is supported by WIFI Mode and UVC Mode. When using uvc mode, you need to use the built-in data cable, connecting the Type-C port to the device, and the USB port to the PC; Open the UVC mode software on the PC (Amcap software can be used), select UVC CAMERA, and enter the image interface.

Get Reviews of SC001 camera

• SV193 0.8x focal reducer can take dazzling celestial photos without worrying about the distortion of the star points on the edge of the photo;
• The front is a standard 2-inch socket for connecting the main lens. The rear is a M48x0.75 thread for connecting the camera mount. Supports full-frame cameras
• The SV193 can be connected to a standard 2" filter thread to add the light pollution filter you need；
• The 0.8X defocus system shortens the exposure time. It can meet the needs of astronomical photographers who need sufficient exposure in a short time.

SV193 Connect with 1.25inch SV705C Camera