The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Venus 10mm f2.8 Zero-D FF and the Tamron 20mm F2.8 Di III OSD M1:2 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 10mm f2.8 Zero-D FF is the longer of the two lenses at 71mm. The Tamron 20mm F2.8 Di III OSD M1:2 with a length of 64mm, is 7mm shorter. Besides being longer, the Venus 10mm f2.8 Zero-D FF also has a larger diameter of 82mm compared to the Tamron 20mm F2.8 Di III OSD M1:2'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. Tamron 20mm F2.8 Di III OSD M1:2 weighs 220g, 47% (200g) lighter than the Venus 10mm f2.8 Zero-D FF's weight of 420g.
Filter Threads
The Venus 10mm f2.8 Zero-D FF has a filter size of 77mm whereas the Tamron 20mm F2.8 Di III OSD M1:2 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 Venus 10mm f2.8 Zero-D FF:
And these are the 67mm filters that we recommend for the Tamron 20mm F2.8 Di III OSD M1:2:
Lens Mounts
The Venus 10mm f2.8 Zero-D FF has the Nikon Z lens mount whereas the Tamron 20mm F2.8 Di III OSD M1:2 has the Sony E lens mount. Some of the latest released cameras that are compatible with these mounts are , and for the Nikon Z Mount and Sony FX5, Sony A7R VI and Sony A7 V for the Sony E Mount.
Venus 10mm f2.8 Zero-D FF is also available in the Sony E mount.
Focal Range
Venus 10mm f2.8 Zero-D FF is a prime lens with fixed focal lenght of 10mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
15mm.
On the other hand, the Tamron 20mm F2.8 Di III OSD M1:2 is a prime lens with fixed focal lenght of 20mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 30mm.
