Hutech Astronomical Products
Equipment for the Serious Amateur Astronomer


 
 
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Diagonals


Matsumoto Erect Image Mirror Diagonal (EMS-S)

This is a unique mirror diagonal which utilizes two mirrors to create a non-inverted image at the output. 120mm of backfocus is required. The diagonal interfaces with a 2" sleeve on the telescope end, and 1-1/4" eyepieces on the back end. 48mm filters are accomodated under the black eyepiece holder section of the diagonal, and a 36.4mm thread allows an accessory such as a Borg mini helical focuser to be added at the eyepiece end.