The Story
The Sharpstar Full Frame Flattener for the 61EDPIII Telescope: One end of the thread is M68x1, connected to the focuser; the other end of the thread is M48x0.75 and has a built-in 2" filter thread. The back focus is 55mm. If it needs to be extended, the adapter can be screwed down to reveal the M54x0.75 male thread, and the back focus becomes 81.5mm. The flattener adopts a triplet air-spaced structure, the peripheral light reduction control is excellent, can effectively improve the curvature of the field, improve the corner image quality, and reduce aberrations, so that users can take clearer astronomical photos.
Specifications:
- Application: 61EDPHIII
- Image circle: 44mm
- Lens: Triplet air-spaced structure
- Back focus: 55mm (including the M48 thread)
- Coating: full-surface multi-layer coating
- Weight: 0.4kg
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
The Sharpstar Full Frame Flattener for the 61EDPIII Telescope: One end of the thread is M68x1, connected to the focuser; the other end of the thread is M48x0.75 and has a built-in 2" filter thread. The back focus is 55mm. If it needs to be extended, the adapter can be screwed down to reveal the M54x0.75 male thread, and the back focus becomes 81.5mm. The flattener adopts a triplet air-spaced structure, the peripheral light reduction control is excellent, can effectively improve the curvature of the field, improve the corner image quality, and reduce aberrations, so that users can take clearer astronomical photos.
Specifications:
- Application: 61EDPHIII
- Image circle: 44mm
- Lens: Triplet air-spaced structure
- Back focus: 55mm (including the M48 thread)
- Coating: full-surface multi-layer coating
- Weight: 0.4kg
