Isco-Gottingen ISCONAR 135mm F/4 Type 2

Specifications01

MountEXAKTA

Focal length135mm

Max aperturef/4

TypeTelephoto · Prime

Release year1959

Min focus distance1.5 m

Aperture blades14

Optical elements3

Groups3

AutofocusNo

StabilizationNo

Aperture controlAperture ring

Production statusDiscontinued

Additional Info02

Lens TypePrime lens

Summary02

135mm f/4 telephoto lens for the Exakta (EXAKTA) mount. Likely a reproduction/portrait-oriented design based on the Isco Gottingen ISCONAR Type 2, using a fixed maximum aperture of f/4.

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Specifications from thelensdb

Where can this lens be adapted?

The Exakta mount has a flange distance of 44.7 mm. A plain adapter fits a camera whose flange distance is at least 1.46 mm shorter. How lens adapters work

Sony EAdapter · 26.7 mm
Canon RFAdapter · 24.7 mm
Nikon ZAdapter · 28.7 mm
Fujifilm XAdapter · 27 mm
L-MountAdapter · 24.7 mm
Micro Four ThirdsAdapter · 25.45 mm
Fujifilm G (GFX)Adapter · 18 mm
Covers full-frame: it can vignette on a medium format sensor.
Canon EF-MAdapter · 26.7 mm

No plain adapter reaches infinity focus on: Canon EF, Nikon F.

Sources03

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Other Mounts03

No alternate mounts are indexed for this family yet.