The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 65mm F2 DG DN and the Panasonic S 85mm F1.8 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 85mm F1.8 is the longer of the two lenses at 82mm. The Sigma 65mm F2 DG DN with a length of 75mm, is 7mm shorter. Besides being longer, the Panasonic S 85mm F1.8 also has a larger diameter of 74mm compared to the Sigma 65mm F2 DG DN's 72mm diameter.
Below you can find a scaled side-by-side image of Sigma 65mm F2 DG DN and Panasonic S 85mm F1.8 to get a better idea of how their sizes compare in real life.
Comparison image of the Sigma 65mm F2 DG DN and the Panasonic S 85mm F1.8 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 85mm F1.8 weighs 355g, 12% (50g) lighter than the Sigma 65mm F2 DG DN's weight of 405g.
Filter Threads
The Sigma 65mm F2 DG DN has a filter size of 62mm whereas the Panasonic S 85mm F1.8 has a 67mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 62mm filters that we recommend you to consider for the Sigma 65mm F2 DG DN:
And these are the 67mm filters that we recommend for the Panasonic S 85mm F1.8:
Lens Mounts
Both the Sigma 65mm F2 DG DN and the Panasonic S 85mm F1.8 has the same Leica L lens mount . Some of the latest released cameras that are compatible with the Leica L lenses are Leica SL3-P , Panasonic S1 II and Panasonic S1 IIE .
Sigma 65mm F2 DG DN is also available in the Sony E mount.
Focal Range
Sigma 65mm F2 DG DN is a prime lens with fixed focal lenght of 65mm.
On the other hand, the Panasonic S 85mm F1.8 is a prime lens with fixed focal lenght of 85mm.