The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Schneider PC 28mm f2.8 and the Carl Zeiss Distagon T2,8/25 for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is a crucial factor to consider when comparing two lenses. Carl Zeiss Distagon T2,8/25 is the longer of the two lenses at 90mm. The Schneider PC 28mm f2.8 with a length of 89mm, is 1mm shorter. On the other hand, the Schneider PC 28mm f2.8 has a larger diameter of 75mm compared to the Carl Zeiss Distagon T2,8/25's 64mm diameter.
The weight of a lens is equally significant as its external dimensions, particularly if you intend to handhold your camera and lens combination for extended periods. Carl Zeiss Distagon T2,8/25 weighs 480g, 15% (85g) lighter than the Schneider PC 28mm f2.8's weight of 565g.
Filter Threads
The Schneider PC 28mm f2.8 has a filter size of 67mm whereas the Carl Zeiss Distagon T2,8/25 has a 58mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 67mm filters that we recommend you to consider for the Schneider PC 28mm f2.8:
And these are the 58mm filters that we recommend for the Carl Zeiss Distagon T2,8/25:
Lens Mounts
Both the Schneider PC 28mm f2.8 and the Carl Zeiss Distagon T2,8/25 has the same Pentax KAF lens mount. Some of the latest released cameras that are compatible with the Pentax KAF lenses are Pentax K-3 III Monochrome, Pentax KF and Pentax K-3 III.
Schneider PC 28mm f2.8 is also available in Canon EF , Sony Alpha and Nikon F (FX) mounts.
Carl Zeiss Distagon T2,8/25 is also available in Nikon F (FX) mount.
Focal Range
Schneider PC 28mm f2.8 is a prime lens with fixed focal lenght of 28mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
42mm.
On the other hand, the Carl Zeiss Distagon T2,8/25 is a prime lens with fixed focal lenght of 25mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 37.5mm.