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Sabtu, 01 Februari 2014

Dallmeyer 1,5 inch projection lens

Almost all lenses have something written on it description of focal length (eg. 50mm or 2inch) and it's capability to let light through (eg. F1,4). Projection lens also has this. But not this Dallmeyer lens.

 I saw other Dallmeyer projection lens, only has marked 2,5 inch. This one has 1,5 inch which is approx. 37,5mm. 
I use it on Sony NEX5, slight fall off on corner in certain objects.







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