Ronchi Eyepiece Photographic 5L/mm

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Gerd Neumann

The Photographic Ronchi has the same high-quality grating inside, which is made of evaporated chrome on polished glass. (127 Lines per inch or 5 Lines per millimeter). Contrary to the visuall version it has no 1,25" barrel but a T-thread on one side an M52 on the other. With the T-thread you may mount the photgraphic Ronchi on nearly all instruments. (Matching adapters are allready owned by most amateurs.) On the other side of the Ronchi you may install your camera (With a normal lens installed!) at the M2 thread. (You might need a matching Step-Ring for your lens.)

The surface of the grating is in the same plane as a outer rim, so the focal plane of any instrument can be found very easy!

The new photographic Ronchi may be used visually too without any restrictions. .

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