- Focal reducer and field flattener is one of the essential accessories for astrophotography; SV193 0.8x focal reducer and field flattener for the Svbony SV503 70mm ED refractor telescope
- With the advanced SV503 70mm ED 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 has M54 thread that connects directly to the SV503 70mm ED Refractor focuser; and the back end is M48x0.75 threaded to connect to the camera bayonet; support Full Frame Camera
- The 0.8 times defocusing system shortens the exposure; it can meet the needs of astrophotographers who need sufficient exposure in a short time
Description
California Residents: Please check Proposition 65 Warning Website about significant exposures to chemicals that cause cancer, birth defects or other reproductive harm. https://www.p65warnings.ca.gov/
Specifications
Model |
SV193 |
SKU |
W9152A |
W9152B |
W9152D |
Back focus |
55mm |
Barrel size |
M54x0.75 |
2-inch |
2-inch |
Threads Standard |
M48*0.75 |
M48*0.75 |
M48*0.75 |
Lens Structure |
3-Elements/3Groups |
3-Elements/2Groups |
3-Elements/2Groups |
Lens Coating |
FMC |
FMC |
FMC |
Blackened Lens Edges |
Yes |
Yes |
Yes |
Net Weight |
273g / 9.63oz / 0.6lb |
164g / 5.78oz / 0.36lb |
177g / 6.24oz / 0.39lb |
What's included
Svbony SV193 2" 0.8x Focal Reducer/Flattener for SV503 70mm ED Refractor
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