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Voigtlander Ultra Wide Heliar 12 mm f/5.6 Aspherical II
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 | 5.00 |  |
|---|---|---|
| Optical quality | 5.00 | |
| Value for money | 5.00 | |
| Overall | 5.00 | |
| Build quality |  |
|---|---|
| Optical quality | |
| Value for money | |
| Overall | |
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: .
| Build quality | |
|---|---|
| Optical quality | |
| Value for money | |
| Overall | |
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.
