The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Venus Laowa 15mm f5 and the Venus Laowa 4mm F2.8 L 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 Laowa 4mm F2.8 L is the longer of the two lenses at 26mm. The Venus Laowa 15mm f5 with a length of 25mm, is 1mm shorter. Besides being longer, the Venus Laowa 4mm F2.8 L also has a larger diameter of 61mm compared to the Venus Laowa 15mm f5's 53mm 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. Venus Laowa 4mm F2.8 L weighs 135g, 3% (5g) lighter than the Venus Laowa 15mm f5's weight of 140g.
Below you can find the dimension and weight table of the Wideangle Prime Lenses in Leica L Mount for size comparison purposes.
Ultra-Wideangle Lenses in Leica L Mount for Size Comparison
Lens Mounts
Both the Venus Laowa 15mm f5 and the Venus Laowa 4mm F2.8 L has the same Leica L lens mount. Some of the latest released cameras that are compatible with the Leica L lenses are Leica SL3-P, Panasonic S1 II and Panasonic S1 IIE.
Venus Laowa 15mm f5 is also available in the Sony E , Nikon Z and Canon RF mounts.
Focal Range
Venus Laowa 15mm f5 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 Venus Laowa 4mm F2.8 L is a prime lens with fixed focal lenght of 4mm which has an effective (full-frame 35mm equivalent) focal range of 6mm when used on a APS-C / DX format camera.
