The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Carl Zeiss Distagon T2/25 and the Venus 25mm F2.8 2.5-5X Ultra Macro 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 T2/25 is the longer of the two lenses at 98mm. The Venus 25mm F2.8 2.5-5X Ultra Macro with a length of 65mm, is 33mm shorter. On the other hand, the Venus 25mm F2.8 2.5-5X Ultra Macro has a larger diameter of 82mm compared to the Carl Zeiss Distagon T2/25's 73mm 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. Venus 25mm F2.8 2.5-5X Ultra Macro weighs 400g, 33% (200g) lighter than the Carl Zeiss Distagon T2/25's weight of 600g.
Lens Mounts
Both the Carl Zeiss Distagon T2/25 and the Venus 25mm F2.8 2.5-5X Ultra Macro 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.
Carl Zeiss Distagon T2/25 is also available in Nikon F (FX) mount.
Venus 25mm F2.8 2.5-5X Ultra Macro is also available in Nikon F (DX) , Pentax KAF2 and Sony E mounts.
Focal Range
Both lenses have the same focal range of
25mm but while Carl Zeiss Distagon T2/25 has the fastest aperture of
F2, the Venus 25mm F2.8 2.5-5X Ultra Macro's widest aperture value is
F2.8.