The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Panasonic 35-100mm F2.8 OIS and the Panasonic 12-35mm F2.8 OIS 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. Panasonic 35-100mm F2.8 OIS is the longer of the two lenses at 100mm. The Panasonic 12-35mm F2.8 OIS with a length of 74mm, is 26mm shorter. On the other hand, the Panasonic 12-35mm F2.8 OIS has a larger diameter of 68mm compared to the Panasonic 35-100mm F2.8 OIS's 67mm 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. Panasonic 12-35mm F2.8 OIS weighs 305g, 15% (55g) lighter than the Panasonic 35-100mm F2.8 OIS's weight of 360g.
Filter Threads
Both the Panasonic 35-100mm F2.8 OIS and the Panasonic 12-35mm F2.8 OIS have the same Filter thread size of 58mm.
Below are links to the 58mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Panasonic 35-100mm F2.8 OIS and the Panasonic 12-35mm F2.8 OIS 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
Panasonic 35-100mm F2.8 OIS has a focal range of 35-100mm and
2.9X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
70-200mm when used on a FourThirds format camera.
On the other hand, the Panasonic 12-35mm F2.8 OIS has a focal range of 12-35mm and 2.9X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 24-70mm when used on a FourThirds format camera.