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Carl Zeiss Jena large Porro Prism for refractors

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For sale one large Carl Zeiss Jena image erecting porro prism.

Weight is 650gr

The clear aperture is 30mm on the telescope end and 25mm at the eyepiece end.

The light path is approximately 120mm long.

The internal porro prism glass is in excellent condition.

It has custom 2" metal barrel at the focuser side and 1.25" metal eyepiece adapter (compression ring type). The 2" barrel can be changed to 1.25" barrel.

It was converted from a Zeiss Asiola spotting scope

Price includes shipping