• Family design with CNC hollow structure on the side wall; SV225 Altazimuth mount is made of hollow structure; the weight of the product is only 1.6kg; it is very portable with light weight;
• Upgraded micro-adjustment fixation; SV225 Alt-azimuth mount allows fine adjustment of the telescope, with a screw fixation that will remain stable for a long period of time, this micro-adjustment lever meets the efficiency of your adjustments in different scenarios;
• Variable speed gear with no backlash; SV225 Alt-azimuth Variable speed gear mounted on two axes for slow motion control and no backlash during rotary adjustments, allowing you to smoothly follow the movement of the moon and planets;
• Small but strong; the SV225 Alt-azimuth constellation has an effective weight of 5kg, making it a perfect match for telescopes, cameras and more, even with its light weight;
• Scenarios of application; the SV225 Alt-azimuth mount is suitable for many areas such as astronomical visual observation and surface observation.

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• 4-Elements with fully multi-coated enhanced coatings, resulting in bright, sharp images;
• Edge-blackened to eliminate internal light scatter to maximize image contrast;
• Flatter field-of-view, with excellent control of chromatic and spherical aberration;
• Increase Your Magnification Without Sacrificing Magnification Factor or Eye Relief.

• Multi-port design: the astro powerbox has 6 DC outputs, supporting up to 10A. 2 USB3.1 ports for high-speed camera readout, 1 USB2.0 and 1 Type-C port for devices like equatorial mounts & guide cameras. 2 USB ports share 5V 8A power, perfect for dew heaters;
• All-in-One accessories: USB Type-B and Type-A cable; Power DC 2.1 to 2.1 male cable; DC 5.5*2.5 cigarette lighter power adapter cable are included in the powerbox's package. It’s your ultimate solution for convenience and efficiency;
• Design for portability: weighing just 0.28lb and measuring 3.8x2.4x1", this compact powerbox is designed for portability. With M4 and UNC 1/4 screw hole on the bottom, installation is a breeze;
• Safe and secure: equipped with built-in ESD protection, reverse polarity prevention, and efficient filtering to prevent short circuits. Power pack acts as a safety shield for your devices. Every connection is rock-solid and worry-free;
• Versatile mounting options: the power pack features M4 and UNC 1/4-20 screw holes on the bottom; offering flexible mounting solutions for secure and stable placement in any setup.

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• Stable and reliable: Made of high-quality aluminum alloy, the tripod structure is sturdy and durable for a variety of equipment. All can provide stable support;
• Multi-functional design: Flexible tripod design, can be used with SV225. Two-stage telescopic design, easy to carry. Unique rubberized feet with stone protruding design ensures stability in all kinds of terrain;
• User-friendly operation: Enjoy hassle-free setup in mere minutes, no complicated tools required. The top platform of the tripod is designed to be level to ensure stable placement of the equipment;
• Versatile application scenarios: flexible tripod structure compatible with tripod for cameras; a two-stage telescopic design for easy portability; and unique rubberized feet adorned with a protruding stone design for enhanced stability across all terrains.

• Positive image optical view: finder provides stargazers with a bright, clear image through the viewfinder for easy aiming anywhere in the sky.
• 6x30 metal star finder: SV182 star finder with 6x magnification and 30mm diameter lens collects enough light to make telescope aiming easy and fun.
• An achromatic 2-element lens design: The finder scope has fully multi-coated achromatic viewfinder optics to effectively eliminate aberrations and chromatic aberrations.
• Easy to use: with metal viewfinder bracket; 2 plastic 90 degree angle adjustment screws and a fixed spring loaded push-pull screw; only 2 screws need to be adjusted to find the target quickly.
• Internal mattebox design: the straight metal finder is fully threaded internally to minimise reflections.
• All black mount: All-in-one visual style for comfortable viewing.

Top New Year Gift Ideas: Perfect Presents for Everyone!

• CNC hollow structure; SV225 altazimuth mount adopts hollow structure; reduce the weight(2.34Kg); convenient for you to carry out; light weight
• Fine adjustment shift; SV225 alt-az mount can fine-tune the telescope to meet your adjustment efficiency in different scenarios
• Variable speed gear; SV225 alt-azimuth mount is variable speed gear slow motion controls on both axes to let you smoothly follow the motion of the moon and planets
• Load capacity; with a payload capacity of 10kg; even light weight; the SV225 alt azimuth mounts will match well with the telescope; camera and so on
• Applicable scenes; SV225 alt-az mount is suitable for many senorios; like astronomical visual observation and surface observation

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• Improve the light gathering capabilities; 30mm wide aperture; has a strong light gathering capability; allowing you to see faint objects in the sky;
• Appropriate focal length; 120mm focal length; which is ideal for your observation; a powerful 6x crosshair; reticles make lining up your target easier;
• Comfortable to observe; 90-degree right angle; comfortable observation angle improves the experience of using the finder; no need to bend over or twisting your neck; improve the experience of your observation;
• Get a erect image; prism steering was added to the finder optical system; meet the observation habit that people always have
• Fully multi coated lens coating; improve the light transmission; provide a clear view of the night sky; ensures a sharp and bright image; making it easy to find your target fast.

Top Christmas Gift Ideas: Perfect Presents for Everyone!

• Suitable for OTA with focal length within 700mm; SV165 compact mini guide scope can be used with astronomical telescopes with focal length within 700mm;
• Clear and sharp vision; fully multi-coated and achromatic optical glass brings you clearer and sharper vision in astronomical observation and astrophotography;
• Compatible with guide cameras; the 1.25-inch and M42 threaded interface is compatible with SV305 Pro and Orion ZWO QHY and so on auto guiding cameras; guidescope with two T2 extension tubes can assist focusing;
• Front focuser with scale; it is convenient to mark the focus position to improve the efficiency of Repeating focusing; Locking ring can ensure that the focus position does not change during use;
• Six-point guide ring; the angle-adjustable six-point fixation method can adjust the coaxiality of the guide scope and the main telescope according to the needs.

Reviews by@TheNarrowbandChannel

• Compatible with mainstream auto guiding cameras; 1.25in and M42 mount interface designed for compatible with SV305 Pro and for Orion ZWO QHY and so on auto guiding cameras(Some camera models require additional accessories to assist in focusing)
• Sharp image; Ultra wide band fully multilayer coated lens; double glass and the 30mm achromatic optics prevent irritating reflections can bring you bright and clear images
• 45mm helical focus stroke; Allows easy and precise focus adjustments and f4 aperture optics provides a very wide field of view which will help to quickly find the target when performing astronomical observations
• Nylon-tipped thumbscrews; Comes with the mounting rings with plastic tipped screws as not to scratch the scope tube and it can be moved to any position
• Quality craftsmanship; By using high-level CNC metal processing technology; SV165 guide scope has exquisite appearance; delicate feel and beautiful shape; fine workmanship bringing you visual enjoyment

• Universal lens warmer. Lens Warmer prevents telescope camera lens from fogging dew by warming up the lens on a camera or telescope. It also warming up water bottle and use as a knee strap;
• USB port design, 1.8m usb cable length. You can connect it your power bank or any other power source with a USB port. 1.9A to 2.0A input current, 5V input voltage;
• Temperature regulator adjustable. Strong medium weak heating modes that you can adjust the temperature according to your requirements;
• Design for telescope. 50mm bandwidth does not affect the focusing and no dark angle of the field of view, fit lens outer diameter below 127mm;
• Heating fast and evenly. Built in aluminum make heating evenly. Alloy fiber heating wire provides super fast. Three layer insulation material to reduce heat dissipation.

• Universal lens warmer. Lens Warmer prevents telescope camera lens from fogging dew by warming up the lens on a camera or telescope. It also warming up water bottle and use as a knee strap;
• USB port design, 1.8m usb cable length. You can connect it your power bank or any other power source with a USB port. 1.9A to 2.0A input current, 5V input voltage;
• Temperature regulator adjustable. Strong medium weak heating modes that you can adjust the temperature according to your requirements;
• Design for telescope. 50mm bandwidth does not affect the focusing and no dark angle of the field of view, fit lens outer diameter below 127mm;
• Heating fast and evenly. Built in aluminum make heating evenly. Alloy fiber heating wire provides super fast. Three layer insulation material to reduce heat dissipation.

Set Includes:

• SV215 Clickstop Zoom Eyepiece 1.25 inch 3-8mm, SKU: W9166A
• SV182 6x30 Right-Angle Finder Scope, SKU: W9141B
• SV188P 90 Degree Dielectric Mirror Diagonal, SKU: F9171B(1.25inch) / F9171D(2inch)

• 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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• 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!

Top Gift Ideas: Perfect Presents for Astronomers!

• 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. 

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• 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.

• 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. 

• 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

• SV209 0.8X focal reducer/field flattener is designed specifically for prime focus astrophotography with the SVBONY SV550 122mm f/7 apo refractor;
• It can correct the defect of field curvature of the user's shooting target; improve the imaging quality and shooting efficiency of the edge of the field of view;
• It converts the 854mm focal length f/7 refractor into a 683.2mm f/5.6 system for faster and wider field astronomical and terrestrial photography;
• In addition to reducing the focal length of the telescope and thereby increasing the photographic speed, the flattens the normal field curvature inherent in refractors. This provides images that are sharply focused out to the corners of DSLR and CCD imaging chips;
• SV209 0.8x reducer has a metric 63x1 thread; the telescope reducer flattener screws into the focuser to ensure a secure connection.

Visual Kit includes:

68 Degree Eyepieces 6/9/15/20 mm, SKU: F9152A-F9152B-F9152C-F9152D

1.25 inch Laser Collimator, SKU: F9123A

1.25 inch Moon UHC CLS UV/IR Cut Filters Combination, SKU: F9114L-F9131A-F9155A-F9127A

SV137 2x Barlow 1.25Inch FMC Internal Brass Ring with Perfect Matting Treatment, SKU: W9106A

• SV211 dovetail base comfortable and convenient carrying handle. After the combined installation, the large-aperture telescope can be easily carried and moved;
• SV211 finder scope mount bracket the length is 203mm, with 2 M6 mounting screws, 4 M4 set screws, and 1 M5 wrench, which can be easily installed and removed;
• SV211 dovetail base full CNC integrated finishing anodized aluminum, not easy to damage;
• It can reduce collision and wear when taking the telescope somewhere.

• FMC Prism Lens: The prism lens adopts double-sided coating technology to reduce light loss. And the coating adopts anti-reflection broadband, which is applicable from 300nm to 700nm.
• Internal Blackened Anti-Reflective Treatment: The black anti-reflective coating inside the atmospheric dispersion corrector can effectively reduce light reflection and scattering, improving image clarity and contrast.
• High Adaptation: The SV199 is equipped with a 1.25" lens barrel with a T2 external thread. It can be connected to an eyepiece for visual observation, and can be combined with an astronomical camera for deep sky imaging. This adc meets the dual needs of astronomical observation and photography with a single device.
• Bubble Centered Surface Level: The bubble level of the SV199 corrector ensures quick and accurate level positioning. The center of the bubble indicates the surface level.

• The illuminated crosshairs eyepiece is precisely located in the center of the eyepiece field of view; providing accurate results that allow you to easily track the guide;
• Wide 70-degree apparent field of view makes acquiring and centering target objects a breeze; comfortable 16mm eye relief So you do not have to worry about the goal disappearing quickly;
• Brightness adjustable function; which has relatively low energy consumption at lower brightness; which can extend the life of the illuminator; with a crosshair for illumination;
• The standard 1.25-inch filter thread is compatible with all 1.25-inch standard equipment; the threaded extinction inside the eyepiece can well suppress the reflection of internal stray light; giving you a bright high-contrast view;
• Perfectly guided astrophotos; The crosshairs for easier use and alignment; excellent for accurate polar and go-to alignment;
• Fully multi coated broadband green optics with superior optical performance; clarity is great.