• The 1.25" O-III filter useful for large aperture telescopes through which the light of the Moon can be extremely overwhelming. Allowing just for the Double Ionized Oxygen lines between 495.9nm to 500.7nm to pass through at 90%
• Astrophotographic;The filter enhances contrast during visual observation of gaseous and planetary nebulae in all sky conditions; 1.25" filter allows high-contrast imaging even in areas with strong light pollution
• The filter made from high-grade glass with dichroic interference and antireflection coatings;not only useful at light-polluted sites; the contrast is also increased at dark sky sites;it can be used with all 1.25" eyepieces
• The O-III filter completely blocks virtually all other visible wavelengths of light so views of nebulas are optimized;increases contrast through selective filtration-Anti-reflection coated to prevent glaring and ghosting
• Narrowband filter do not eliminate the effects of light pollution or increase the object’s brightness;in many cases, they increase the contrast between nebula and night sky, not brightening the nebula

The VPL Filter has premium quality metal rim and optics glass lens . Reduce glare and increase contrast of the Moon with the Svbony 1.25”/2'' VPL Filters. Also useful for extra bright planets as well as terrestrial viewing over sand or snow. We provide you with two sizes to choose from, 1.25'' and 2''.

Note: This polarizing filter is too thick and not suitable for SV226 filter drawers. 

• M48x0.75 to M42x0.75 adapter; 1.25-inch adapter; compatible with 1.25-inch international universal interface eyepieces;
• SA404 adapter can be used with the camera adapter ring; connect to the SV41 spotting scope and compatible for Canon and Nikon cameras; to increase viewing and photographing functions;
• Use with SV41; 1.25-inch eyepieces of different specifications can be replaced; suitable for observing different scenarios; such as moon watching; observing targets and landscapes;
• High toughness brass pressure ring; protect the eyepiece from scratches and prevent falling off; anodized finish and all-metal construction for durability and long service life;
• SA404 is also applicable to SC001 astronomical WIFI camera for taking pictures; enjoy more using pleasure.

• Powerful Telescope Accessories; SV118 1.25" 2x achromatic Barlow lens effectively doubles the magnification of each eyepiece;
• Fully Multi coated lens; SV118 barlow lens uses two element fully multi coated for excellent transmission and the internal housing is baffled to eliminate unwanted reflections and increase contrast;
• Compact barlow lens; SV118 barlow lens just 2.5 inches long; Easy to stash in your accessory case;
• Important role; The Barlow lens’ role is not only to improve the image quality; But also viewing comfortably;
• SV118 2X barlow lens provide a high power magnification allow you look more closely and more detailed at the moon's surface and other planet;It's a great gift for Halloween birthday christmas.

• The O-III filter completely blocks virtually all other visible wavelengths of light so views of nebulas are optimized;increases contrast through selective filtration-Anti-reflection coated to prevent glaring and ghosting
• The filter made from high-grade glass with dichroic interference and antireflection coatings;not only useful at light-polluted sites; the contrast is also increased at dark sky sites;it can be used with all 2" eyepieces
• Narrowband filter do not eliminate the effects of light pollution or increase the object’s brightness;in many cases, they increase the contrast between nebula and night sky, not brightening the nebula
• The 2" O-III filter useful for large aperture telescopes through which the light of the Moon can be extremely overwhelming. Allowing just for the Double Ionized Oxygen lines between 495.9nm to 500.7nm to pass through at 90%
• Astrophotographic;The filter enhances contrast during visual observation of gaseous and planetary nebulae in all sky conditions; 2" filter allows high-contrast imaging even in areas with strong light pollution

• Extremely large 72-degree apparent field of view;affordable 18mm telescope eyepiece offers a wide field of view and superior performance apparent field offers expansive views of the moon;star clusters;and the Milky Way;
• Sharp optimal performance with low chromatic aberration;high power and medium eyepiece fits for viewing surface and potholes details;It's a great Halloween birthday christmas gift;
• Perfects for broad field observations from lunar;medium sized star clusters to wide range of cloudy nebulas and deep sky targets with extra sharpness;
• 18mm telescope eyepiece offers a wide field of view and superior performance; 5-element design delivers sharp images with good color correction and contrast;
• Standard 1.25” 31.7mm fitting diameter compatible with any astronomical telescope with 1.25" focuser;5-elemen fully multi-coated lenses with blackened edges and rotating adjustable eyecups allows comfortable viewing and lets eyeglass wearers see the entire field of view.

• 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

• At full resolution, the camera frame rate of SV505C can reach 93fps, and more frames can be captured at the same time. Especially in the case of bad weather, the shooting can be completed quickly by using the shooting gap time;
• SV505C has a QE of about 80%. It has extremely high sensitivity in the near-infrared region and extremely high signal-to-noise ratio in the dark environment. It is very suitable for photographing the surface details of Mars, Jupiter, Saturn and other solar system planets and the moon. The camera has extraordinary sensitivity in the infrared band;
• The SV505C has a 1/1.8" frame, and the chip area is 7.9mm x 4.5mm, which means that the photosensitive area is almost twice that of the sv305 pro. With the same telescope, a larger area can be photographed.

• Flat field eyepiece; offer corrected field curvature; you will observe an image not just in the centre but right out to the outer edge;
• Clear image; fully multi-coated and blackened lens edges to reduce reflections; 8 lens 5 groups give you an image of high colour purity and excellent contrast;
• Comfortable; 65° wide field of view keeps stars planets and lunar details in focus across the field of view; 20mm eye-relief is ideal for long intensive observing sessions;
• Eyecup; folded-up eyecup fit for glasses wearers or not; removing eyecup has a m42x0.75 thread for astrophotography;
• 18mm eyepiece; medium power eyepiece for a bright, low power view of the moon and most all deep-sky objects.

• 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.
• Stable and reliable: Made of high-quality aluminum alloy, the SV225T 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 AZ mount. Two-stage telescopic design, easy to carry. Unique rubberized feet with stone protruding design ensures stability in all kinds of terrain.
• Quick setup and easy operation: Setup in just a few minutes, no complicated tools required. The top platform of the tripod is designed to be level to ensure stable placement of the equipment. Ideal for astronomical observations.

SV225 AZ-mount & SV225T Reviews by @JPAstroGuy

• The sensor incorporates a 14-bit A/D converter, the 14-bit digital output makes it possible to read out the signals of 9.07M effective pixels at a high speed of 20 FPS. Read-out noise is as low as 1.0e which makes sure the highly suitable for high definition, low noise deep space objects imaging;
• Foldable and portable: This camera is foldable and easy to carry, it can be easily stored in your backpack or pocket;
• The SV605MC features a USB 3.0 data transmission interface and a built-in 256MB DDR3 high-speed memory for fast and efficient deep-sky objects imaging, and to buffer image data and ensure stable data transmission;
• The HCG digital noise reduction technology is adopted, and the readout noise can be greatly reduced while maintaining a high dynamic range;
• SV605MC features an improved amp glow suppression design, which guarantees a high-quality "dark" image. 

• Global shutter; SC432M telescope camera is a global shutter camera; features a 120 high frame rate per second;
• Large pixels; SC432M camera pixel is 9μm x 9μm; with its high sensitivity; images with finer colors and subtler details are possible; 
• 1.1" frame; SC432M astrophotography camera has a 1.1" large format; a larger field of view; and a larger area than currently recognized planetary cameras; provide clear imaging details; reducing the number of post-processed images;
• Fan cooling; connected to an external 5V1A power supply; type-C power supply; which can lower the camera temperature by 5-10 degrees; long exposure reduces noise and ensures the quality of the picture;
• HCG; turn on HCG mode when the gain value is 140; the readout noise can be greatly reduced and high dynamic range is retained; avoid celestial tailing and increase celestial details.

• Reduce light pollution; SV220 Dual Narrow bandwidth H-Alpha/O-III 7nm narrowband filter properly designed for astrophotography both in light polluted environment.It can greatly reduce the interference from natural light sources such as moonlight or artificial light pollution such as street lighting;
• Astrophotographic;the filter enhances contrast during visual observation of gaseous and planetary nebulae in all sky conditions; the filter allows high-contrast imaging even in areas with strong light pollution;
• Improving contrast; an increase in contrast can be perceived as an increase in brightness; the filter makes the contrast of the nebula and sky background increase; not the nebula brighter;
• Strong applicability; the filter applicable to SVBONY's electronic cameras and astronomical cameras; 
• Useful for imaging emission nebulae, planetary nebulae and supernova remnants. Designed to sharply cut off the inference of artificial light from sodium vapor or mercury vapor street lights and other unwanted disturbance like sky glow.

Note: This filter set is not suitable for telescopes with a focal ratio below f/4

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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.

Top New Year Gift Ideas: Perfect Presents for Everyone!

The SKU included in these combinations correspond to the following:

• SV220 Dual band Filter 7nm 2inch, SKU: W9172B
• SV119 M48 Extension Tube kit of 5mm 10mm 15mm 30mm, SKU: F9190A
• UV-IR Cut Filter, SKU: F9127B
• UHC Filter, SKU: F9131B
• SV132 H-Beta Narrowband Filter 2inch, SKU: W9102B
• SV226 Filter Drawer, SKU: W9184A
• SV164 Dark Filter, SKU: W9124B
• SV133 filters wheel 2inch, SKU: W9103B

• Svbony SV205 with SONY IMX415 CMOS sensor and USB3.0 Type-B port. It complies with the standard UVC protocol and no need to install SVBONY driver. It is the plug and play device, suitable for beginner users for astronomy photography;
• The image sensor uses dark light compensation technology to greatly improve the camera's image clarity in low light conditions;
• In MJPG video format;you can record video quickly and the frame rate up to 30FPS at 2K resolution 1920x1080; You can also choose YUV uncompressed video format;
• The camera allows you to capture a real-time video and transport to your laptop or PC;machined aluminum 1.25" adapter barrel for direct threaded connection to almost any telescope.

Blog: How to connect the phone with SV205 Camera

• High-Performance Optics: 127mm aperture, 3-mirror mak structure, separate secondary mirror maksutov-cassegrain optics, the reflectivity of the mirror achieves over 95%; enhances contrast in the imaging of targets, you can get the detailed views of planetary nebulae and globular clusters;
• Dual-Speed Focuser Design: Course focus knob, enables rapid movement of the optical system to achieve a rough focus; Fine focus knob is used for minute adjustments to obtain optimal image clarity, enhancing your viewing experience;
• Perfect for Various Observations: Ideal for detailed lunar, and planetary observations, as well as terrestrial viewing, catering to both astronomers and nature enthusiasts;
• 0.65X Flat Field & Focal Reducer: The 0.65x reducer combination expands the telescope's imaging field, making it right for capturing expansive skyscapes. It also corrects field curvature by enhancing image quality. Photography efficiency is enhanced by approximately 66%;
• Complete Accessory Set: Comes with two dovetail mounting bases, 210mm Vixen-style dovetail plate, objective lens cover, and dust plug, ensuring you're ready for any observing session.

New Release!

• Correct chromatic aberration; SV231 telescope filter prevents unwanted color banding in the blue spectral range; minimizes blue wavelengths in out-of-focus areas;
• OD＞4; the higher the filter cut-off depth; the smaller the noise and the higher the imaging contrast;
• Full thread design; M48x0.75 specification; male thread; thread is not easy to wear; you can overlay other filter to use;
• AR anti-reflection coating design; transmittance exceeds 95%; improves the contrast and clarity of fast achromatic telescopes, ensures image quality and brightness; obtains more observable light;
• Good performance coating; telescope color correction filter has plasma-enhanced dielectric coatings result in hard; scratch-resistant and waterproof filters;
• 300-1200/NM wavelength; blocking light damage and eliminating blue and purple streaks.

• Compact and portable: the length of MK105 is 14.84inch,tube net weight is 4.83lb, for astronomical telescopes with the same focal length; the overall length of the telescope is only about half of that of the refractor telescope; 
• Eliminate the need for periodic collimation: MK105 Maksutov-Cassegrain Telescope exchanges the conventional front corrector plate of a Schmidt with a convex meniscus lens, resulting in a smaller secondary mirror that limits obstruction and increases contrast, while eliminating the need for periodic collimation;
• Metal mirror body: the metal mirror structure for MK105 ensures the stability of the optical structure during transportation;
• Electrolyte coating technology: MK105's secondary mirror coating adopts high-reverse electrolyte coating technology; which greatly improves the imaging contrast of observation targets such as planets;
• The barrel of the MK105 telescope adopts the design of double star-seeking bases; one built-in base and one leaky base; which is convenient for customers to connect more necessary astronomical accessories.

Note: Mk105 was compatible with the ZWO EAF

Best Christmas Telescope for Kids and Astronomy Beginners

• Enhanced Aluminum Die; the SV221 diagonal mirror is designed with enhanced aluminum mold; which has higher light transmittance and clearer vision;
• 1.25 inches diameter; the diagonal has a diameter of 1.25 inches; which can be applied to a 1.25 inches telescope and a 1.25 inches eyepiece;
• With a brass pressure ring; the telescope diagonal has a brass pressure ring; which can prevent surface damage and scratch marks when the eyepiece is used with the diagonal;
• Supports 1.25-inch filters features internal extinction treatment and supports the connection of 1.25-inch filters; Offering versatility for various observations;
• With filter thread; the diagonal has M28.5x0.6mm filter thread; which supports the connection of 1.25 inches filter;
• 90 degrees deflection angle design; you don't have to bend over when performing visual observation; and the observation experience is more comfortable;
• Internal extinction design; the correct image prism diagonal has internal extinction treatment; and the acquired image is clearer and brighter.

This sv503 set connected for Eyepiece Projection astrophotography, Not include eyepiece,you can choose eyepiece from svbony website.

• The Narrowband OIII 5nm filter is designed for nebula observation allowing 5nm bandwidth of light centered on a wavelength of 500.7nm through, and reducing the transmission of certain wavelengths of light, specifically those produced by artificial light including mercury vapor, high- and low-pressure sodium vapor lights and the natural light caused by neutral oxygen emission;
• The H-Alpha 5nm is an extremely narrow emission-line filter that works by allowing a 5nm bandwidth of light, centered on the 656nm wavelength through, and blocking the transmission of contrast-killing light pollution wavelengths;
• The SII 6.5nm Extra Narrowband Filter transmits a 5nm bandwidth of light that is centered at 672nm and drastically reduces other transmissions, including wavelengths of light that are responsible for light pollution. Due to the narrow bandwidth and high transmission rate of this filter, you will experience a major boost to contrast;
• The Blocks infrared wavelengths from 700nm to 1100nm so you don't need a separate IR-Cut filter, suitable for used for deep sky photographic and all are NOT for use on the Sun; 90% transmission of the filters can block the light from mercury and sodium vapour lamps; Standard M28.5x0.6 thread interface, can de directly into the 1.25 inch barrel of your telescope eyepiece.

Top New Year Gift Ideas: Perfect Presents for Everyone!

The SVBONY Filter is suitable for 2 inch eyepieces and for viewing with single-lens reflex camera and CCD camera (M48 to M42 adapter exclude). Filters can be replaced very quickly, even when the camera is installed or the eyepiece is inserted.