The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Venus 15mm f4.5 and the Yongnuo 11mm F1.8S E 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. Yongnuo 11mm F1.8S E is the longer of the two lenses at 69mm. The Venus 15mm f4.5 with a length of 48mm, is 21mm shorter. On the other hand, the Venus 15mm f4.5 has a larger diameter of 70mm compared to the Yongnuo 11mm F1.8S E'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. Yongnuo 11mm F1.8S E weighs 260g, 15% (48g) lighter than the Venus 15mm f4.5's weight of 308g.
Below you can find the dimension and weight table of the Wideangle Prime Lenses in Sony E Mount for size comparison purposes.
Ultra-Wideangle Lenses in Sony E Mount for Size Comparison
Filter Threads
The Venus 15mm f4.5 has a filter size of 62mm whereas the Yongnuo 11mm F1.8S E has a 58mm 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 15mm f4.5:
And these are the 58mm filters that we recommend for the Yongnuo 11mm F1.8S E:
Lens Mounts
Both the Venus 15mm f4.5 and the Yongnuo 11mm F1.8S E has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony FX5, Sony A7R VI and Sony A7 V.
Venus 15mm f4.5 is also available in the Nikon Z , Canon RF and Leica L mounts.
Focal Range
Venus 15mm f4.5 is a prime lens with fixed focal lenght of 15mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
22.5mm.
On the other hand, the Yongnuo 11mm F1.8S E is a prime lens with fixed focal lenght of 11mm which has an effective (full-frame 35mm equivalent) focal range of 16.5mm when used on a APS-C / DX format camera.
