The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Olympus ED 7-14mm F2.8 PRO and the Samsung D-Xenon 12-24mm F4 ED for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is an important deciding factor when comparing two lenses. Olympus ED 7-14mm F2.8 PRO is the longer of the two lenses at 106mm. The Samsung D-Xenon 12-24mm F4 ED with a length of 88mm, is 18mm shorter. On the other hand, the Samsung D-Xenon 12-24mm F4 ED has a larger diameter of 84mm compared to the Olympus ED 7-14mm F2.8 PRO's 79mm diameter.
The 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. Samsung D-Xenon 12-24mm F4 ED weighs 430g, 19% (104g) lighter than the Olympus ED 7-14mm F2.8 PRO's weight of 534g.
Lens Mounts
The Olympus ED 7-14mm F2.8 PRO has the Micro Four Thirds lens mount whereas the Samsung D-Xenon 12-24mm F4 ED has the Pentax KAF2 lens mount. Some of the latest released cameras that are compatible with these mounts are OM System OM-5, Panasonic GH6 and OM System OM-1 for the Micro Four Thirds Mount and , and for the Pentax KAF2 Mount.
Focal Range
Olympus ED 7-14mm F2.8 PRO has a focal range of 7-14mm and 2.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 14-28mm when used on a FourThirds format camera. Samsung D-Xenon 12-24mm F4 ED has a focal range of 12-24mm and 2.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 18-36mm when used on a APS-C / DX format camera.