The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Panasonic 45-175mm F4.0-5.6 OIS and the Panasonic 14-140mm F3.5-5.6 O.I.S 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 45-175mm F4.0-5.6 OIS is the longer of the two lenses at 90mm. The Panasonic 14-140mm F3.5-5.6 O.I.S with a length of 75mm, is 15mm shorter. On the other hand, the Panasonic 14-140mm F3.5-5.6 O.I.S has a larger diameter of 67mm compared to the Panasonic 45-175mm F4.0-5.6 OIS's 62mm 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. Panasonic 45-175mm F4.0-5.6 OIS weighs 210g, which means it is 55g (20%) lighter than the Panasonic 14-140mm F3.5-5.6 O.I.S which has a weight of 265g.
Filter Threads
The Panasonic 45-175mm F4.0-5.6 OIS has a filter size of 46mm whereas the Panasonic 14-140mm F3.5-5.6 O.I.S has a 58mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 46mm filters that we recommend you to consider for the Panasonic 45-175mm F4.0-5.6 OIS:
And these are the 58mm filters that we recommend for the Panasonic 14-140mm F3.5-5.6 O.I.S:
Lens Mounts
Both the Panasonic 45-175mm F4.0-5.6 OIS and the Panasonic 14-140mm F3.5-5.6 O.I.S 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-3 Astro, OM System OM-5 II and OM System OM-3.
Focal Range
Panasonic 45-175mm F4.0-5.6 OIS has a focal range of 45-175mm and
3.9X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
90-350mm when used on a FourThirds format camera.
On the other hand, the Panasonic 14-140mm F3.5-5.6 O.I.S has a focal range of 14-140mm and 10.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 28-280mm when used on a FourThirds format camera.
