Rare Fast Dallmeyer Octac Oscillograph 80mm F/1. 5 Lens Covers Full Frame And 6x6
Item History & Price
Description: Dallmeyer famous lens due to it's huge coverage(image circle diameter is around 67mm at ∞, enough to cover 6x6 Half Format film), huge aperture F/1.5, sharpness and to be an upgraded Super Six(6 elements) design, Octac (8 elements). Mounting flange is M57 and back focal distance is around 37mm at ∞.
Appearance: Barrel has minor wear.
Functionality: Diaphragm is smooth and easy. It's ...optics are in great condition, excepting the front group(there are scratches, coating loose and separation) I attach a diagram of it in the last picture.
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Appearance 9, 2 Functionality 8, 0 Total 8, 0 Hard wearHow did we measured the lensMintNear MintEXC+++EXC++EXC+EXCVery GoodMinor wearGoodAverage WearHard WearUsed but worksAs is100%-98%97%96%95%94%93%92%92%-90%90%-87%87%-80%80%-70%70%-60%60%<