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Voigtlander Ultra Wide Heliar 12 mm f/5.6 Aspherical II

Pictures:
Specifications:
Manufacturer Voigtlander
Model Ultra Wide Heliar 12 mm f/5.6 Aspherical II
Lens style Wide angle
Focal length 12 mm
Maximum aperture f/5.6
Angle of view 121 o
Closest focusing distance 0.5 m
Maximum magnification
Minimum aperture 22
Number of diaphragm blades 9
Auto focus type MF
Lens Construction 10 elements / 8 groups
Filter diameter 67 mm
Macro No data
Available mounts Leica M / VM-Mount
Dimensions 74.6 x 42.5 mm
Weight 156 g
Additional information
Average rating (2 owners reviews)
Build quality
Optical quality
Value for money

Overall

5.00 Excellent
Owners reviews (2)
  1. JohnT
    JohnT 2 August 2012, 14:06
    Build quality
    Optical quality
    Value for money

    Overall

    IP 193.190.x.x
    Owner since: 4 years
    Price:
    User profile: Semipro

    Cons: .

    Pros: I forgot to say, this lens fits and works perfectly on the Leica CL (no interference with the cell arm) and the Minolta CLE (light measurement is absolutely correct).

    Summary: .

  2. JohnT
    JohnT 2 August 2012, 13:54
    Build quality
    Optical quality
    Value for money

    Overall

    IP 193.190.x.x
    Owner since: 4 years
    Price:
    User profile: Semipro

    Cons: Using a filter (badly needed as a protection because the front element is very vulnerable) needed a huge adapter on the older (thread mount) version. This has been corrected in the new version.

    Pros: Lens is incredibly good given its angle. Distortion is virtually absent - I even use this lens in metrology when there is no space to use a longer focal length. Good contrast in all conditions; at full aperture, good sharpness at the centre and a very weak decrease to the edges, all becomes excellent at f/8. Vignetting is noticeable but not bad. No colour fringing at all with the Leica M9 (unlike with the CV 15mm). The vignetting/colour correction is best using the 6-bit code of the Leica 24mm lens (better than using Leica 16mm's code).

    Summary: Excellent lens. I first thought I would use it for one shot now and then, but it actually turned out that it is among my few most favourite lenses! Makes great B&W and colour pictures, on film and on digital as well. On film it is only marginally better than the CV 4.5/15 but on digital the difference is huge and I would stringly advise to buy the 12mm rather than the 15mm.