The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Panasonic S 20-60mm F3.5-5.6 and the Tamron 17-35mm F2.8-4 Di OSD 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. Tamron 17-35mm F2.8-4 Di OSD is the longer of the two lenses at 93mm. The Panasonic S 20-60mm F3.5-5.6 with a length of 87mm, is 6mm shorter. Besides being longer, the Tamron 17-35mm F2.8-4 Di OSD also has a larger diameter of 84mm compared to the Panasonic S 20-60mm F3.5-5.6's 77mm diameter.
Below you can find a scaled side-by-side image of Panasonic S 20-60mm F3.5-5.6 and Tamron 17-35mm F2.8-4 Di OSD to get a better idea of how their sizes compare in real life.
Comparison image of the Panasonic S 20-60mm F3.5-5.6 and the Tamron 17-35mm F2.8-4 Di OSD 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 20-60mm F3.5-5.6 weighs 350g, which means it is 110g (23%) lighter than the Tamron 17-35mm F2.8-4 Di OSD which has a weight of 460g.
Filter Threads
The Panasonic S 20-60mm F3.5-5.6 has a filter size of 67mm whereas the Tamron 17-35mm F2.8-4 Di OSD has a 77mm 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 20-60mm F3.5-5.6:
And these are the 77mm filters that we recommend for the Tamron 17-35mm F2.8-4 Di OSD:
Lens Mounts
The Panasonic S 20-60mm F3.5-5.6 has the Leica L lens mount whereas the Tamron 17-35mm F2.8-4 Di OSD has the Canon EF 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 Blackmagic URSA 12K LF , Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K for the Canon EF Mount.
Nikon F (FX) mount.
Focal Range
Panasonic S 20-60mm F3.5-5.6 has a focal range of 20-60mm and
3.0X zoom ratio .
On the other hand, the Tamron 17-35mm F2.8-4 Di OSD has a focal range of 17-35mm and 2.1X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 27.2 - 56mm .
