• Focal reducer and field flattener is one of the essential accessories for astrophotography; SV193 2 inch 0.8x focal reducer and field flattener for refractor telescopes
• With advanced refractor; 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 end is a standard 2-inch socket to connect to the main lens; and the back end is M48x0.75 threaded to connect to the camera bayonet; support Full Frame Camera
• Accepts 2 inch filters; includes standard 2 inch filter thread to add light pollution filter you need
• The 0.8 times defocusing system shortens the exposure; it can meet the needs of astrophotographers who need sufficient exposure in a short time

Super easy to use;eyepiece put into the extended cylinder;then screw t adapter;t ring adapter and extended cylinder together;then attach the camera to telescope manual focusing then get a clear image;fit for Nikon EOS DSLR SLR only
The SVBONY extended cylinder length 68mm;the extension tube fits all standard 1.25" telescopes and microscope;it can adjust eyepiece location;get more sharp images and different photographic results
Metal materials;fit any 1.25'' diameter eyepiece holder telescope and microscope;one time purchase for long term use
Added filter thread on the bottom for any 1.25-inch filter;Made of high quality aluminum alloy and durable

The corrector is suitable for SV550 80F6. 75 filter thread for the use of 2" filters in the camera adapter. Maximum working distance from the M63x1 internal thread: 103 mm - space enough for almost all adaptations.

Notice: Since the SV550 80 APO is designed with f/6 focus ratio. When reducing the focus further, the image quality will not be guaranteed. This is why we produce 1.0x flat field instead of 0.8x. 

Free Shipping within U.S. Area, Local Shipment, 2-5 days Arrival

Certified by AAS (American Astronomical Society) 

The SV510 dedicated solar scope delivers sharp, detailed views of eclipses, sunspots, transits, and more. Exceptional image clarity and intricacy ensure you don't miss any eclipse detail. Capture every remarkable moment effortlessly and preserve your unique eclipse memories. Designed small and lightweight for easy portability. Experience the eclipse on your own terms, free from time and location restrictions. Non-removable material solar filter conforms to ISO 12312-2:2015. Protect the observation process and enjoy worry-free viewing. Carry it with you anytime, anywhere to enjoy the solar eclipse spectacle.

Note: The SV510 solar scope can be used not only during solar eclipses but also for daily solar observations.  

Learn more details about the solar eclipse from  https://www.svbony.com/blog/2024-total-solar-eclipse/

SV605MC astronomy camera is designed for deep sky photography. It can be used with other attachments for a series of photography activities. It can also be used for moon, planet and sun (extra with solar filter) photography. 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.

The release date of the SV605MC will be postponed due to the recent impact of holidays and festivities. We sincerely apologize for any inconvenience this may cause and express our gratitude for your understanding and patience during this period. 

The 60 degree wide Angle SV113 eyepieces offer a quality 4-element Plossl optical design at a super affordable price.

1. WA wide-angle field of view, comfortable observation,True FMC coating process: ultra-high transmittance broadband coating on the lens surface
2. Matting treatment: the edges of the lens are blackened, and the internal structure of the structure is matted to eliminate stray light.
3. All-aluminum alloy surface is sandblasted with satin oxidation, and the hand-held rubber design is more humanized.
4. Comfortable rubber eyewear design,Standard filter thread design
5. Mechanical engraving logo, never fade

• SV171 Super-wide Angle 1.25" 8mm-24mm zoom eyepiece;SV171 zoom eyepiece allows you to change magnification power without swapping out eyepieces
• FMC glass lens; Fully multi-coated glasses for excellent image contrast and light transmission; Sharp optimal performance with low chromatic aberration
• Comfortable long eye relief design; Exceptionally long 18mm-19.5mm eye relief range allows eyeglass wearers to enjoy the entire field of view without needing to remove their glasses
• Unique humanized design;Sleek black barrel with safety undercut to reduce the possibility of the eyepiece slipping out of the focuser or diagonal
• Standard 1.25" fitting diameter compatible with any astronomical telescope with 1.25" focuser;The bottom M28.5 x 0.6 thread can also be used with standard 1.25" Filter

• The SV152 crosshair eyepiece is ideal for guiding astrophotos when used in off-axis guiders or guide scopes; 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
• The SV152 crosshair eyepiece have a 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
• This SV152 illuminated single crosshair eyepiece has a 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

This bundle set includes SV208 8x50 finder scope, SV188P diagonal, 0.5x focal reducer, 1.25inch ND filter for moon viewing, multi-function dovetail slots, 1.25 '' T adapter mount with M42 threads and slr camera adapter. It is suitable for moon viewing and photography.

• The SVBONY 1.25-inch Plossl eyepiece is suitable for observing nebulae; star clusters;comets and other low-light; dim celestial bodies; The field of view is transparent and bright; and the observation is comfortable
• With the true FMC full broadband multilayer coating; it ensures that each glass surface has multiple layers of coating to for a better image quality and the edge of the lens is matt blackened to prevent stray light interference for bright; clear views
• M28.5*0.6 standard thread size; supports standard 1.25-inch filter adapter mounting; has wide applicability; Standard Plossl eyepiece structure: 2 sets of 4-piece optical structure to ensure the observation effect
• The exit distance of 19mm which is convenient for customers to observe for a long time and is not easy to fatigue; The inner wall of the foot cover has two processes of matting thread; The outer wall is chrome-plated; make the appearance is bright and smooth
• All-metal mirror structure;fine texture; fine workmanship; and humanized environmental protection rubber anti-slip ring design will prevent accidental depression

Unlock the full potential of your telescope equipment for moon observing with our versatile and multifunctional accessories! Introducing the SV182 6x30 Right-Angle Correct-Image finder scope, SV188P 1.25inch diagonal,  SV135 Zoom Eyepiece 1.25inch 7mm to 21mm, SC311 Wifi camera, SV225 AZ-mount, 0.5x focal reducer, and 1.25inch filter sets. You can choose whatever you like.

Unlock the full potential of your telescope equipment for moon observing with our versatile and multifunctional accessories! Introducing the SV182 6x30 Right-Angle Correct-Image finder scope, SV188P 1.25inch diagonal,  68 Degree Eyepieces 6/9/15/20 mm, SV305C color planetary camera, SV225 AZ-mount, 1.25inch filter sets and versatile multifunctional dovetail slot. You can choose whatever you like.

This SV503 80/102 ED telescope set includes refractor OTA, SV193 filed flattener & focal reducer, SV165 40mm f/4 guiding scope, SV226 filter drawer, SV211 red handle bar, dovetail slot, and a bahtinov mask.

The Visual Kit includes SVBONY Astronomy Eyepieces 1.25inch 66 Degree 6/9/15/20 mm, 1.25 inch Laser Collimator, and SV155 1.25 inch 7-Piece Filters Set for Moon Viewing Telescope Filter

This SV503 102ED Telescope Bundle Set includes sv503 102ed refractor OTA, sv193 focal reducer, sv188p diagonal and a 2inch UV/IR cut filter.

The SVBONY SV157 1.25 "extension tube is threaded at the end to accommodate a standard 1.25" filter. It is made of all-metal material and has a long service life. The inside of the SV157 has full threads to reduce reflected light.

Plossl Eyepiece Set:

1, Multi coated offering the best image
2, Full Metal, soft Rubber Eyeguard
3, The inside of the adapter is fully threaded to minimize reflections
4, Comes with 3 eyepieces that provide low, medium and high powered magnification for viewing a wide range of objects (Moon, planets, or land)
5, The Focal Length: 4mm 10mm 25mm
6, Thread Pitch: M28.5*0.6 (for Standard 1.25 inches filters)

The SVBONY SC311 is the first wifi camera we developed for astrophotography. It uses Sony IMX662 color CMOS chip and 2.4G wifi technology to enjoy the fun of sharing with multiple people and a clearer visual experience.

Svbony SV205C 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.

The SC432M monochrome planetary camera with global shutter has large pixel which makes you see the clear image. The global shutter can capturing the ever-changing moments of the sun, 9um pixel size makes it able to work at longer focal ratio and with high sensitivity.

SVBONY SV222 high-quality 90-degree erecting prism with anti-reflection coating allows for good contrast and bright images. Designed with entirely aluminum, black anodized eyepiece holder, large, chromed thumbscrews, SV222 is internally blackened and baffled to prevent internal stray light reflections. For terrestrial or astronomical use, this diagonal produces a right-side-up, non-reversed image with correct daytime orientation.

This diagonal can only be used with refractor telescopes and some catadioptric telescopes like Schmidt-Cassegrain, Maksutov-Cassegrain, etc. It not meant for use with Newtonian / DOB reflector telescopes or other variants of Newtonian telescopes.

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.

Learn more details about how to connect SC001 camera, refer to: https://www.svbony.com/blog/how-to-use-svbony-sc001-wifi-spotting-scope-camera/

1.25 inch Svbony 66 degree astronomy eyepieces for night sky telescope viewing The edges of the optics are blackened for increased contrast, and prevent internal reflections. Anti-reflection fully multi-coated optics ensure bright and clear high-images at any magnification, with true color rendition.