The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Carl Zeiss Makro-Planar T2/100 and the Carl Zeiss Makro-Planar T2/50 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 Makro-Planar T2/100 is the longer of the two lenses at 113mm. The Carl Zeiss Makro-Planar T2/50 with a length of 88mm, is 25mm shorter. Besides being longer, the Carl Zeiss Makro-Planar T2/100 also has a larger diameter of 76mm compared to the Carl Zeiss Makro-Planar T2/50's 72mm 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 Makro-Planar T2/50 weighs 530g, 22% (150g) lighter than the Carl Zeiss Makro-Planar T2/100's weight of 680g.
Below you can find the dimension and weight table of the Macro Prime Lenses in Pentax KAF Mount for size comparison purposes.
Macro Lenses in Pentax KAF Mount for Size Comparison
Filter Threads
Both the Carl Zeiss Makro-Planar T2/100 and the Carl Zeiss Makro-Planar T2/50 have the same Filter thread size of 67mm.
Below are links to the 67mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Carl Zeiss Makro-Planar T2/100 and the Carl Zeiss Makro-Planar T2/50 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 Mono, Pentax KF and Pentax K-3 III.
Carl Zeiss Makro-Planar T2/100 is also available in the Canon EF and Nikon F (FX) mounts.
Carl Zeiss Makro-Planar T2/50 is also available in Canon EF and Nikon F (FX) mounts.
Focal Range
Carl Zeiss Makro-Planar T2/100 is a prime lens with fixed focal lenght of 100mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
150mm.
On the other hand, the Carl Zeiss Makro-Planar T2/50 is a prime lens with fixed focal lenght of 50mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 75mm.
