This High-quality Field Flattener is specially designed for Vixen ED and SD refractor telescopes. With this image field flattener you get razor-sharp star images right up to the edge of the field of view. The Flattener illuminates a 44 mm image circle and is therefore suitable for the full-frame cameras.
For professional astrophotography:
The same anti-reflective AS coating is also used for the high-end astrograph VSD 100 f/3.8, which allows for a light transmission of 99.9 percent per lens surface. Light losses, reflections and scattered light is almost completely eliminated by the complete non reflective matte interior coating.
Can be used on the SD81S, SD103S and SD115S as well as the predecessor ED series refractors. Note: For DSLR cameras, you will also require a wide photo adapter and a T2 ring
Features:
- High light transmission
- Flat image field right to the edge
- Very high contrast
- Can be used on the SD81S, SD103S and SD 115S
- Optics: 2 elements in 1 housing.
- Suitable for full-frame cameras
- Illumination 44mm
- Weight 218g
Whats included:
- SD Image Field Plane HD Kit
- Adapter ring for SD81
- 66mm extension sleeve
- Dust caps
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