Size and Weight Comparison
Size of a lens is an important deciding factor when comparing two lenses.Olympus 45mm F1.2 Pro is the longer of the two lenses at 85mm. The Samyang 50mm F1.2 AS UMC CS with a length of 74mm is 11mm shorter. Besides being longer, the Olympus 45mm F1.2 Pro also has a larger diameter of 70mm compared to Samyang 50mm F1.2 AS UMC CS 's 68mm diameter.
Below you can find the scaled side by side image of Samyang 50mm F1.2 AS UMC CS and Olympus 45mm F1.2 Pro to get a better idea of how their size compare in real life.
Comparison image of Samyang 50mm F1.2 AS UMC CS and Olympus 45mm F1.2 Pro Size and Weight Weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Samyang 50mm F1.2 AS UMC CS weighs 375g, which means it is 35g (9%) lighter than the Olympus 45mm F1.2 Pro which has a weight of 410g.
Below you can find the dimension and weight table of the 'Telephoto Prime Lenses in Micro Four Thirds Mount for size comparison purposes.
Telephoto Prime Lenses in Micro Four Thirds Mount for Size Comparison
Lens Mounts
Both Samyang 50mm F1.2 AS UMC CS and Olympus 45mm F1.2 Pro has the same Micro Four Thirds lens mount. Some of the latest released cameras that are compatible with the Micro Four Thirds lenses are Panasonic GH6, OM System OM-1 and Panasonic GH5 II.
Samyang 50mm F1.2 AS UMC CS is also available in Canon EF-M , Fujifilm X and Sony E mounts.
Focal Range
Samyang 50mm F1.2 AS UMC CS is a prime lens with fixed focal lenght of 50mm which has a 35mm equivalent focal range of 100mm when used on a APS-C / DX format camera. Olympus 45mm F1.2 Pro is a prime lens with fixed focal lenght of 45mm which has a 35mm equivalent focal range of 100mm when used on a FourThirds format camera.