Carl Zeiss Jena Flektogon 25mm f/4.0-22.0

Lens categoryUltra-wide
Vendor nameCarl Zeiss Jena
Type nameFlektogon
Focal min (mm)25
Focal max (mm)25
Focus min (cm)18
Aperture max4
Aperture min22
Element(s)7
Diaphragm blades6
Filter size (mm)77
Carl Zeiss Jena Flektogon 25mm f/4.0-22.0

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  • juan rino, buenos aires, argentina  21:33 Feb 26, 2008 

    I question Which is the sharpest and contrastier lens, the 25 F/4 or the 20 mm F/4 or the 20 mm F/2.8(all flektogons)? Anyone knows that? Want to tell me that ? Thanks .

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