The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Venus 33mm F0.95 CF APO and the Sigma 50mm F1.4 EX DG HSM 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 33mm F0.95 CF APO is the longer of the two lenses at 83mm. The Sigma 50mm F1.4 EX DG HSM with a length of 68mm, is 15mm shorter. On the other hand, the Sigma 50mm F1.4 EX DG HSM has a larger diameter of 85mm compared to the Venus 33mm F0.95 CF APO'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. Sigma 50mm F1.4 EX DG HSM weighs 505g, 14% (85g) lighter than the Venus 33mm F0.95 CF APO's weight of 590g.
Below you can find the dimension and weight table of the Standard Prime Lenses in Four Thirds Mount for size comparison purposes.
Standard Lenses in Four Thirds Mount for Size Comparison
Filter Threads
The Venus 33mm F0.95 CF APO has a filter size of 62mm whereas the Sigma 50mm F1.4 EX DG HSM has a 77mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 62mm filters that we recommend you to consider for the Venus 33mm F0.95 CF APO:
And these are the 77mm filters that we recommend for the Sigma 50mm F1.4 EX DG HSM:
Lens Mounts
Both the Venus 33mm F0.95 CF APO and the Sigma 50mm F1.4 EX DG HSM has the same Four Thirds lens mount. Some of the latest released cameras that are compatible with the Four Thirds lenses are , and .
Venus 33mm F0.95 CF APO is also available in the Fujifilm X and Nikon Z mounts.
Sigma 50mm F1.4 EX DG HSM is also available in Canon EF , Pentax KAF3, Sony Alpha, Sigma SA and Nikon F (FX) mounts.
Focal Range
Venus 33mm F0.95 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.
On the other hand, the Sigma 50mm F1.4 EX DG HSM is a prime lens with fixed focal lenght of 50mm.