The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Panasonic X 35-100mm F2.8 II Power OIS and the Olympus ED 75-300mm f4.8-6.7 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 ED 75-300mm f4.8-6.7 is the longer of the two lenses at 116mm. The Panasonic X 35-100mm F2.8 II Power OIS with a length of 100mm, is 16mm shorter. Besides being longer, the Olympus ED 75-300mm f4.8-6.7 also has a larger diameter of 70mm compared to the Panasonic X 35-100mm F2.8 II Power 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 X 35-100mm F2.8 II Power OIS weighs 357g, which means it is 73g (16%) lighter than the Olympus ED 75-300mm f4.8-6.7 which has a weight of 430g.
Filter Threads
Both the Panasonic X 35-100mm F2.8 II Power OIS and the Olympus ED 75-300mm f4.8-6.7 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 X 35-100mm F2.8 II Power OIS and the Olympus ED 75-300mm f4.8-6.7 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-1 II, Panasonic G9 II and OM System OM-5.
Focal Range
Panasonic X 35-100mm F2.8 II Power 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 Olympus ED 75-300mm f4.8-6.7 has a focal range of 75-300mm and 4.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 150-600mm when used on a FourThirds format camera.