The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang 50mm F1.4 AS UMC 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 T2/50 is the longer of the two lenses at 88mm. The Samyang 50mm F1.4 AS UMC with a length of 75mm, is 13mm shorter. On the other hand, the Samyang 50mm F1.4 AS UMC has a larger diameter of 82mm 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, 0% (5g) lighter than the Samyang 50mm F1.4 AS UMC's weight of 535g.
Filter Threads
The Samyang 50mm F1.4 AS UMC has a filter size of 77mm whereas the Carl Zeiss Makro-Planar T2/50 has a 67mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 77mm filters that we recommend you to consider for the Samyang 50mm F1.4 AS UMC:
And these are the 67mm filters that we recommend for the Carl Zeiss Makro-Planar T2/50:
Lens Mounts
Both the Samyang 50mm F1.4 AS UMC and the Carl Zeiss Makro-Planar T2/50 has the same Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Canon 1D X III, Canon 6D MII and Canon 5D MIV.
Samyang 50mm F1.4 AS UMC is also available in Nikon F (FX) , Pentax KAF, Sony Alpha and Sony E mounts.
Carl Zeiss Makro-Planar T2/50 is also available in Pentax KAF and Nikon F (FX) mounts.
Focal Range
Both lenses have the same focal range of
50mm but while Samyang 50mm F1.4 AS UMC has the fastest aperture of
F1.4, the Carl Zeiss Makro-Planar T2/50's widest aperture value is
F2.0.