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 Olympus 9mm F8 Fish-Eye 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 9mm F1.7 ASPH is the longer of the two lenses at 52mm. The Olympus 9mm F8 Fish-Eye with a length of 13mm, is 39mm shorter. Besides being longer, the Panasonic 9mm F1.7 ASPH also has a larger diameter of 61mm compared to the Olympus 9mm F8 Fish-Eye 's 56mm 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 9mm F8 Fish-Eye weighs 30g, 76% (100g) lighter than the Panasonic 9mm F1.7 ASPH's weight of 130g.
Lens Mounts
Both the Panasonic 9mm F1.7 ASPH and the Olympus 9mm F8 Fish-Eye has the same Micro Four Thirds lens mount. Some of the latest released cameras that are compatible with the Micro Four Thirds lenses are OM System OM-1 II, Panasonic G9 II and OM System OM-5.
Focal Range
Both lenses have the same focal range of
9mm but while Panasonic 9mm F1.7 ASPH has the fastest aperture of
F1.7, the Olympus 9mm F8 Fish-Eye 's widest aperture value is
F8.0.