The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Venus 25mm F2.8 2.5-5X Ultra Macro and the Canon EF-M 32mm F1.4 STM 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. Venus 25mm F2.8 2.5-5X Ultra Macro is the longer of the two lenses at 65mm. The Canon EF-M 32mm F1.4 STM with a length of 57mm, is 8mm shorter. Besides being longer, the Venus 25mm F2.8 2.5-5X Ultra Macro also has a larger diameter of 82mm compared to the Canon EF-M 32mm F1.4 STM's 61mm diameter.
Below you can find a scaled side-by-side image of Venus 25mm F2.8 2.5-5X Ultra Macro and Canon EF-M 32mm F1.4 STM to get a better idea of how their sizes compare in real life.
Comparison image of the Venus 25mm F2.8 2.5-5X Ultra Macro and the Canon EF-M 32mm F1.4 STM Size and Weight 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. Canon EF-M 32mm F1.4 STM weighs 235g, 41% (165g) lighter than the Venus 25mm F2.8 2.5-5X Ultra Macro's weight of 400g.
Lens Mounts
The Venus 25mm F2.8 2.5-5X Ultra Macro has the Pentax KAF2 lens mount whereas the Canon EF-M 32mm F1.4 STM has the Canon EF-M lens mount . Some of the latest released cameras that are compatible with these mounts are Pentax K-3 III Mono , Pentax KF and Pentax K-3 III for the Pentax KAF2 Mount and Canon M50 II , Canon M200 and Canon M6 MII for the Canon EF-M Mount.
Venus 25mm F2.8 2.5-5X Ultra Macro is also available in the Canon EF , Nikon F (DX) and Sony E mounts.
Focal Range
Venus 25mm F2.8 2.5-5X Ultra Macro 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 .
On the other hand, the Canon EF-M 32mm F1.4 STM is a prime lens with fixed focal lenght of 32mm which has an effective (full-frame 35mm equivalent) focal range of 51.2mm when used on a APS-C / DX format camera.