The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Panasonic S 70-300 F4.5-5.6 OIS and the Olympus 75-300mm f4.8-6.7 II 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 S 70-300 F4.5-5.6 OIS is the longer of the two lenses at 148mm. The Olympus 75-300mm f4.8-6.7 II with a length of 117mm, is 31mm shorter. Besides being longer, the Panasonic S 70-300 F4.5-5.6 OIS also has a larger diameter of 84mm compared to the Olympus 75-300mm f4.8-6.7 II's 69mm 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. Olympus 75-300mm f4.8-6.7 II weighs 423g, 46% (367g) lighter than the Panasonic S 70-300 F4.5-5.6 OIS's weight of 790g.
Filter Threads
The Panasonic S 70-300 F4.5-5.6 OIS has a filter size of 77mm whereas the Olympus 75-300mm f4.8-6.7 II has a 58mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 77mm filters that we recommend you to consider for the Panasonic S 70-300 F4.5-5.6 OIS:
And these are the 58mm filters that we recommend for the Olympus 75-300mm f4.8-6.7 II:
Lens Mounts
The Panasonic S 70-300 F4.5-5.6 OIS has the Leica L lens mount whereas the Olympus 75-300mm f4.8-6.7 II has the Micro Four Thirds lens mount. Some of the latest released cameras that are compatible with these mounts are Leica SL3-P, Panasonic S1 II and Panasonic S1 IIE for the Leica L Mount and OM System OM-3 Astro, OM System OM-5 II and OM System OM-3 for the Micro Four Thirds Mount.
Focal Range
Panasonic S 70-300 F4.5-5.6 OIS has a focal range of 70-300mm and
4.3X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
105 - 450mm.
On the other hand, the Olympus 75-300mm f4.8-6.7 II 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.
