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Isco Göttingen 35mm f3.5 Autor: panoramapeople 3.67 0 4061 | Isco-Göttingen Westron 35 mm f3.5 Autor: panoramapeople 3 0 3632 | Isco Göttingen Westron 35mm f3.5 Autor: panoramapeople 3 0 2893 | Isco-Göttingen Westron 35 mm f3.5 Autor: panoramapeople 2.5 0 2609 |
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simple lens, very sharp, nice design, smooth focus, not much problems about flares or distorsion.
Weaknesses:
Filter thread is too small, causing a vignette if any filter used. Full manual aperture. f3.5 is actually "4 and a bit" stopping down to f4.0 has no visible effect on exposure.
This lens can not be adapted to digital full frame SLR.
Comments:
Override of close focus is possible by removing a screw, minimum focal distance closes up to c.a. 0.25m.
M42 standard adapters do not fit. this lens reqires an adapter without the ring that diables the automatic aperture function.