In this review, we will be comparing Panasonic 20mm F1.7 ASPH and Panasonic 20mm F1.7 II ASPH, two Wideangle Prime lenses by Panasonic. Both cameras have the same focal length and max apertures of 20mm focal range and a max aperture of F1.7 so they are very comparable in this regard.
We will start with briefly looking and the main specs of these two lenses and in the section, we will start analyzing in more detail and list the pros and cons of each lenses.
Size and Weight Comparison
Weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Panasonic 20mm F1.7 II ASPH weighs 87g, 13% (13g) lighter than the Panasonic 20mm F1.7 ASPH's weight of 100g.
Below you can find the dimension and weight table of the 'Wideangle Prime Lenses in Micro Four Thirds Mount for size comparison purposes.
Wideangle Prime Lenses in Micro Four Thirds Mount for Size Comparison
Both Panasonic 20mm F1.7 ASPH and Panasonic 20mm F1.7 II ASPH has the same Micro Four Thirds lens mount. Some of the latest released cameras that are compatible with the Micro Four Thirds lenses are Panasonic GH6, OM System OM-1 and Panasonic GH5 II.
Both lenses have the same focal range of 20mm and the fastest aperture of F1.7.