The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Panasonic 9mm F1.7 ASPH and the Venus 105mm F2 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. Venus 105mm F2 is the longer of the two lenses at 99mm. The Panasonic 9mm F1.7 ASPH with a length of 52mm, is 47mm shorter. Besides being longer, the Venus 105mm F2 also has a larger diameter of 76mm compared to the Panasonic 9mm F1.7 ASPH's 61mm diameter.
Below you can find a scaled side-by-side image of Panasonic 9mm F1.7 ASPH and Venus 105mm F2 to get a better idea of how their sizes compare in real life.
Comparison image of the Panasonic 9mm F1.7 ASPH and the Venus 105mm F2 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 9mm F1.7 ASPH weighs 130g, which means it is 615g (82%) lighter than the Venus 105mm F2 which has a weight of 745g.
Filter Threads
The Panasonic 9mm F1.7 ASPH has a filter size of 55mm whereas the Venus 105mm F2 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 55mm filters that we recommend you to consider for the Panasonic 9mm F1.7 ASPH:
And these are the 67mm filters that we recommend for the Venus 105mm F2:
Lens Mounts
The Panasonic 9mm F1.7 ASPH has the Micro Four Thirds lens mount whereas the Venus 105mm F2 has the Canon EF lens mount . Some of the latest released cameras that are compatible with these mounts are OM System OM-3 Astro , OM System OM-5 II and OM System OM-3 for the Micro Four Thirds Mount and Blackmagic URSA 12K LF , Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K for the Canon EF Mount.
Sony E , Nikon F (FX) , Pentax KAF2 and Sony Alpha mounts.
Focal Range
Panasonic 9mm F1.7 ASPH is a prime lens with fixed focal lenght of 9mm which has an effective (full-frame 35mm equivalent) focal range of
18mm when used on a FourThirds format camera.
On the other hand, the Venus 105mm F2 is a prime lens with fixed focal lenght of 105mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 168mm .
