- Commodity name: 61EDPHⅢ full frame flattener
- Commodity ID: 61EDPHⅢ full frame flat
61EDPH Ⅲ is also equipped with a special full-frame flattener, providing users with more options.
The flattener: One end of the thread is M68 × 1, connected to the focuser; the other end of the thread is M48 × 0.75 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 M54 × 0.75 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.

61EDPHⅢ full frame flattener Parameters
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

Product introduction

Specifications

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Product introduction

The flattener: One end of the thread is M68 × 1, connected to the focuser; the other end of the thread is M48 × 0.75 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 M54 × 0.75 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

61EDPHⅢ full frame flattener Parameters
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

Video

Images

Download

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