Svbony SV209 Focal Reducer/Field Flattener 0.8X for SV550 122mm ED Triplet Refractor
- SV209 0.8X focal reducer field flattener is designed specifically for prime focus astrophotography with the SV550 122mm f/7 apo refractor; suitable for shooting astronomy enthusiasts
- SV209 field flattener 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
- SV209 0.8x focal reducer 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; SV209 reducer flattener 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
- The back focus distance is 55mm, from the shoulder of the reducer to the image plane, the standard distance of the SLR camera body, the reducer/flattener M63*1 thread is screwed into the telescope to ensure a firm connection.
- Description
- Specifications
- What's included
- Reviews
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
Product Dimensions: 4.72 x 3.94 x 3.15 inches
Item Weight: 15.8 ounces
Model number: W9161B
What's included
- SV209 0.8x Reducer/Field Flattener
- 2PCS Dust Cover
Reviews