Ronchi Screen Eyepiece for Double Pass Autocollimation DPAC

NOTE: This is a difficult print because of the slot (challenging to remove the supports). Feel free to contact me (at moshenext@gmail.com) if you'd like this printed for you. Since ronchiscreens.com is now out of business, I will also send an empty 35mm slide that fits in the part in which you insert a ronchi transparency.

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This is a ronchi eyepiece designed to use the ronchi slides from http://www.ronchiscreens.com (now out of business, see note below). Using a 3mm LED inserted i