Lens system
| Aperture range (F-F) |
2.2 - 22 |
| Number of aspheric elements |
2 |
| Maximum aperture number |
22 |
| Minimum aperture number |
2.5 |
Weight & dimensions
| Filter size |
82 mm |
| Diameter |
88 mm |
SUMMARIT-S 1:2.5/35 mm ASPH, Central shutter
This fast, wide-angle lens is available with or without a central shutter and operates practically without distortion. It is therefore ideal for use indoors or for architectural photos. The SUMMARIT-S 1:2.5/35 mm ASPH. (CS) uses two aspherical lens surfaces and special glass with anomalous partial dispersion or high refraction as well as rear-group focusing for the highest performance over the entire focusing range.