Sky-Watcher Evostar 72ED Reducer/Flattener (.85x) (S20212)

Sky-Watcher Evostar 72ED Reducer/Flattener (.85x) (S20212)Specifications Compatible with both APS C and full frame sensors, APS C (crop sensors) and smaller recommended. 55mm back focus Drops f ratio from native f 5. 8 (420mm) to f 4. 93 (355mm) Reduces exposure time by 38% compared to native f 5. 8 5. 8 x 3. 87 degree field of view when used with a full frame camera 3. 79 x 2. 53 degree field of view when used with APS C crop sensor Includes thread on adapter to mount reducer to Evostar 72ED focuser

Patented NexYZ Smartphone Adapter

EQ6/AZEQ6 - Sky-Watcher EQ6 & AZ-EQ6

Folded Length: 628mm (24

The 2" Powermate fits all the way into 2" Star Diagonals

All of the planetary filters included in the 1

5 full-frame reducer is dedicated for Sharpstar 61EDPH and 61EDPH II astrographs

it also works astonishingly well for visual use

17mm of eye relief allows for comfortable viewing for both eyeglass and non-eyeglass wearers

Optical Info Optical Design Mak-Cass Mirror Coatings Radiant Aluminum Quartz (RAQ) coatings with 94% reflectivity Lens Coatings Fully Multi-Coated Glass Type BK7/Borosilicate True Aperture (mm) 151 Primary Aperture (mm) 166 Primary Edge Thickness 12

since their full frame can take advantage of the more substantial area of illumination produced by larger SCT and EdgeHD telescopes

88") Dimensions Case only: 68mm x 28mm (2

The Type-4 models feature about 18mm of eye relief and with the "instajust" eyeguard are best for eyeglass wearers or Dioptrx users in their 22