The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Olympus M 25mm F1.8 and the Sony E 35mm F1.8 OSS 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. Sony E 35mm F1.8 OSS is the longer of the two lenses at 45mm. The Olympus M 25mm F1.8 with a length of 41mm, is 4mm shorter. Besides being longer, the Sony E 35mm F1.8 OSS also has a larger diameter of 63mm compared to the Olympus M 25mm F1.8's 56mm 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. Olympus M 25mm F1.8 weighs 136g, which means it is 19g (12%) lighter than the Sony E 35mm F1.8 OSS which has a weight of 155g.
Filter Threads
The Olympus M 25mm F1.8 has a filter size of 46mm whereas the Sony E 35mm F1.8 OSS has a 49mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 46mm filters that we recommend you to consider for the Olympus M 25mm F1.8:
And these are the 49mm filters that we recommend for the Sony E 35mm F1.8 OSS:
Lens Mounts
The Olympus M 25mm F1.8 has the Micro Four Thirds lens mount whereas the Sony E 35mm F1.8 OSS has the Sony E lens mount. Some of the latest released cameras that are compatible with these mounts are OM System OM-3 Astro, OM System OM-5 II and OM System OM-3 for the Micro Four Thirds Mount and Sony ZV-E10 II, Sony A6700 and Sony FX30 for the Sony E Mount.
Focal Range
Olympus M 25mm F1.8 is a prime lens with fixed focal lenght of 25mm which has an effective (full-frame 35mm equivalent) focal range of
50mm when used on a FourThirds format camera.
On the other hand, the Sony E 35mm F1.8 OSS is a prime lens with fixed focal lenght of 35mm which has an effective (full-frame 35mm equivalent) focal range of 52.5mm when used on a APS-C / DX format camera.
