The type of photography that you are planning to use is an important decision factor. Here we have evaluated the 7Artisans 50mm f1.2 APS-C and the OM System 40-150mm F4.0 PRO 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. OM System 40-150mm F4.0 PRO is the longer of the two lenses at 99mm. The 7Artisans 50mm f1.2 APS-C with a length of 68mm, is 31mm shorter. Besides being longer, the OM System 40-150mm F4.0 PRO also has a larger diameter of 69mm compared to the 7Artisans 50mm f1.2 APS-C's 62mm 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. OM System 40-150mm F4.0 PRO weighs 382g, 6% (28g) lighter than the 7Artisans 50mm f1.2 APS-C's weight of 410g.
Filter Threads
The 7Artisans 50mm f1.2 APS-C has a filter size of 55mm whereas the OM System 40-150mm F4.0 PRO has a 62mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 55mm filters that we recommend you to consider for the 7Artisans 50mm f1.2 APS-C:
And these are the 62mm filters that we recommend for the OM System 40-150mm F4.0 PRO:
Lens Mounts
The 7Artisans 50mm f1.2 APS-C has the MFT lens mount whereas the OM System 40-150mm F4.0 PRO has the Micro Four Thirds lens mount. Some of the latest released cameras that are compatible with these mounts are , and for the MFT Mount and OM System OM-3 Astro, OM System OM-5 II and OM System OM-3 for the Micro Four Thirds Mount.
7Artisans 50mm f1.2 APS-C is also available in the Sony E , Nikon Z and Fujifilm X mounts.
Focal Range
7Artisans 50mm f1.2 APS-C is a prime lens with fixed focal lenght of 50mm which has an effective (full-frame 35mm equivalent) focal range of
75mm when used on a APS-C / DX format camera.
On the other hand, the OM System 40-150mm F4.0 PRO has a focal range of 40-150mm and 3.8X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 80-300mm when used on a FourThirds format camera.
