Explore Scientific Field Flattener for Refractor Telescopes with Focal Ratio of f/5 to f7 for Astrophotography
Special Features
- This is a field flattener for refractor-type telescopes with a focal ratio of f/5 to f/7
- Causes no change to the telescope focal length
- 2-inch barrel to easily attach to a two-inch focuser
- Fully multi-coated optics
- T-ring thread on the device so a T-ring can be used to easily attach a DSLR camera or a dedicated astrocamera
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