Rodenstock's 32mm f/4 HR Digaron-W Lens features a Copal 0 shutter and has been designed for the largest sensor formats (up to 36 x 56mm, 40 x 54mm and stitch formats up to 49 x 71mm), with an amazing 80 lp/mm resolution. This lens has an image circle of 90mm, and it presents a 35mm equivalent focal length of 20.6mm when used with a 40 x 54mm sensor, or 16.5mm equivalent when used for stitching with a sensor up to 49 x 71mm. The large back focal length of 22.3mm leaves plenty of room for shift-and-tilt movements (16mm V x 13mm H with a 40 x 54mm sensor) for perspective control and extended depth of field.
- For shift-and-tilt movements, its large back focal length of 22.3 mm leaves free space between the rear mount and the sensor, without touching the sensor or the rear standard.
- The long flange focal length of 69.2 mm allows focusing at infinity with all technical cameras with a flat lens board, which makes it much easier to set the aperture and the shutter speed and permits the use of the Rollei Electronic shutter.
- The retro-focus design causes a steeper light incidence at the margin. Therefore, the further fall-off in illumination, which is inevitable when using micro lens sensors, can be avoided.
- Vignetting is eliminated at f/8.
- The optical effect of the sensor cover glass has been taken into account in the optic calculation for eliminating its apherical and chromatic aberration, as well as its astigmatism.
- The high tech multi-coating ensures ultimate transmission, excellent contrast and freedom from ghost and flare.
- A new dedicated center filter with specially matched sloping absorption will be available for the HR Digaron-W 32mm f/4.