Vixen X000153 SD Flattner HD Kit

The # X000153 1.0x Flattener is suitable for SD81S, SD103S and SD 115S and also for Vixen ED telescopes.

♦ Can be used with the SD81S, SD103S and SD 115S

♦ Also suitable for the Vixen ED telescopes

♦ Suitable for full frame cameras

♦ Razor sharp star images up to the edge

♦ No change of focal length

♦ AS coating (99% transmission per lens surface) for high contrast and against reflections

♦ Optics: 2 elements in 1 group
 

Vixen 37246 SD Field Flattener HD Kit

With this field flattener, meant for astrophotography, you will get sharp star images up to the edge of the field even with full frame cameras.

Designed for the SD81S, SD103S and SD 115S telescopes, this corrector is also suitable for the Vixen ED telescopes.

You will need a Wide Photo Adapter and possibly a T2 ring, both not included.
 

Correction:	Field flattening
Change of focal length:	No (factor 1.0)
Designed for telescopes:	SD81S, SD103S, SD115S and many Vixen ED
Suitable up to sensor size:	Full frame format
Design:	2 elements in 1 group
Coating:	AS coating (99% transmission per lens surface)
Illumination:	At least 80% brightness at 44 mm radius
Back focus:	129.5 mm from rear M55 thread
Weight:	218 g

In the box:
♦ SD field flattener HD
♦ Adapter ring for SD81
♦ 66 mm extension tube