The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 23mm F1.4 C and the Venus 33mmF0.95 CF APO 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 33mmF0.95 CF APO is the longer of the two lenses at 83mm. The Sigma 23mm F1.4 C with a length of 79mm, is 4mm shorter. Besides being longer, the Venus 33mmF0.95 CF APO also has a larger diameter of 72mm compared to the Sigma 23mm F1.4 C's 66mm 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. Sigma 23mm F1.4 C weighs 330g, which means it is 260g (44%) lighter than the Venus 33mmF0.95 CF APO which has a weight of 590g.
Filter Threads
The Sigma 23mm F1.4 C has a filter size of 52mm whereas the Venus 33mmF0.95 CF APO has a 62mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 52mm filters that we recommend you to consider for the Sigma 23mm F1.4 C:
And these are the 62mm filters that we recommend for the Venus 33mmF0.95 CF APO:
Lens Mounts
The Sigma 23mm F1.4 C has the Canon RF lens mount whereas the Venus 33mmF0.95 CF APO has the Sony E lens mount. Some of the latest released cameras that are compatible with these mounts are Canon R50 V, Canon R100 and Canon R50 for the Canon RF Mount and Sony ZV-E10 II, Sony A6700 and Sony FX30 for the Sony E Mount.
Focal Range
Sigma 23mm F1.4 C is a prime lens with fixed focal lenght of 23mm which has an effective (full-frame 35mm equivalent) focal range of
36.8mm when used on a APS-C / DX format camera.
On the other hand, the Venus 33mmF0.95 CF APO is a prime lens with fixed focal lenght of 33mm which has an effective (full-frame 35mm equivalent) focal range of 49.5mm when used on a APS-C / DX format camera.
