The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Viltrox 28mm F4.5 L and the Viltrox 25mm F1.7 X 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. Viltrox 25mm F1.7 X is the longer of the two lenses at 56mm. The Viltrox 28mm F4.5 L with a length of 20mm, is 36mm shorter. Besides being longer, the Viltrox 25mm F1.7 X also has a larger diameter of 64mm compared to the Viltrox 28mm F4.5 L's 60mm diameter.
Below you can find a scaled side-by-side image of Viltrox 28mm F4.5 L and Viltrox 25mm F1.7 X to get a better idea of how their sizes compare in real life.
Comparison image of the Viltrox 28mm F4.5 L and the Viltrox 25mm F1.7 X Size and Weight 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. Viltrox 28mm F4.5 L weighs 60g, which means it is 120g (66%) lighter than the Viltrox 25mm F1.7 X which has a weight of 180g.
Lens Mounts
The Viltrox 28mm F4.5 L has the Leica L lens mount whereas the Viltrox 25mm F1.7 X has the Fujifilm X lens mount . Some of the latest released cameras that are compatible with these mounts are Leica SL3-P , Panasonic S1 II and Panasonic S1 IIE for the Leica L Mount and Fujifilm X-T30 III , Fujifilm X-E5 and Fujifilm X-M5 for the Fujifilm X Mount.
Focal Range
Viltrox 28mm F4.5 L is a prime lens with fixed focal lenght of 28mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
42mm .
On the other hand, the Viltrox 25mm F1.7 X is a prime lens with fixed focal lenght of 25mm which has an effective (full-frame 35mm equivalent) focal range of 37.5mm when used on a APS-C / DX format camera.
