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COMPLETE ZOOM COPY LENS ASSEMBLY
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Item No: L3416
Price: $75.00
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| The first of two lenses is a multi-element assembly with an iris that has an adjustment from f/8.5 to f/30. There is a dichroic coating on an internal element. There are some small spots on the first element. Not certain if they will come off or not. Same for all the assemblies we have. Doesn't seem to affect the image. Focal length is 400mm. Black metal housing has two 3/8" diameter by 8-1/2" long shafts attached with linear ball bearings to provide an adjustable distance between first and second lens. Second lens is a beauty and easily worth our price for the whole assembly. It's a 5-3/4" diameter meniscus lens mounted in a 6-1/2" diameter black metal housing 1-5/8" thick. First lens assembly is 4-9/16" diameter by 5-3/8" front to back. Includes complete mounting and motors and gears. You can hand rotate one of the gears to make the lens assembly move up and down the shafts. Should give you hours of interesting experiments. Limited supply. |
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