The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Panasonic S 100mm F2.8 Macro and the OM System 90mm F3.5 Macro 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. OM System 90mm F3.5 Macro is the longer of the two lenses at 136mm. The Panasonic S 100mm F2.8 Macro with a length of 82mm, is 54mm shorter. On the other hand, the Panasonic S 100mm F2.8 Macro has a larger diameter of 74mm compared to the OM System 90mm F3.5 Macro's 70mm diameter.
Below you can find a scaled side-by-side image of Panasonic S 100mm F2.8 Macro and OM System 90mm F3.5 Macro to get a better idea of how their sizes compare in real life.
Comparison image of the Panasonic S 100mm F2.8 Macro and the OM System 90mm F3.5 Macro 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. Panasonic S 100mm F2.8 Macro weighs 298g, which means it is 155g (34%) lighter than the OM System 90mm F3.5 Macro which has a weight of 453g.
Filter Threads
The Panasonic S 100mm F2.8 Macro has a filter size of 67mm whereas the OM System 90mm F3.5 Macro has a 62mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 67mm filters that we recommend you to consider for the Panasonic S 100mm F2.8 Macro:
And these are the 62mm filters that we recommend for the OM System 90mm F3.5 Macro:
Lens Mounts
The Panasonic S 100mm F2.8 Macro has the Leica L lens mount whereas the OM System 90mm F3.5 Macro 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 100mm F2.8 Macro is a prime lens with fixed focal lenght of 100mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
150mm .
On the other hand, the OM System 90mm F3.5 Macro is a prime lens with fixed focal lenght of 90mm which has an effective (full-frame 35mm equivalent) focal range of 180mm when used on a FourThirds format camera.