The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Olympus 45mm F1.2 Pro and the Olympus ED 12-40mm f2.8 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. Olympus 45mm F1.2 Pro is the longer of the two lenses at 85mm. The Olympus ED 12-40mm f2.8 PRO with a length of 84mm, is 1mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 70mm.
Below you can find a scaled side-by-side image of Olympus 45mm F1.2 Pro and Olympus ED 12-40mm f2.8 PRO to get a better idea of how their sizes compare in real life.
Comparison image of the Olympus 45mm F1.2 Pro and the Olympus ED 12-40mm f2.8 PRO 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. Olympus ED 12-40mm f2.8 PRO weighs 382g, 6% (28g) lighter than the Olympus 45mm F1.2 Pro's weight of 410g.
Filter Threads
Both the Olympus 45mm F1.2 Pro and the Olympus ED 12-40mm f2.8 PRO have the same Filter thread size of 62mm .
Below are links to the 62mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Olympus 45mm F1.2 Pro and the Olympus ED 12-40mm f2.8 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 OM System OM-3 Astro , OM System OM-5 II and OM System OM-3 .
Focal Range
Olympus 45mm F1.2 Pro is a prime lens with fixed focal lenght of 45mm which has an effective (full-frame 35mm equivalent) focal range of
90mm when used on a FourThirds format camera.
On the other hand, the Olympus ED 12-40mm f2.8 PRO has a focal range of 12-40mm and 3.3X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 24-80mm when used on a FourThirds format camera.