The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Panasonic 14mm F2.5 ASPH and the Tamron 14-150mm f3.5-5.8 III 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. Tamron 14-150mm f3.5-5.8 III is the longer of the two lenses at 80mm. The Panasonic 14mm F2.5 ASPH with a length of 21mm, is 59mm shorter. Besides being longer, the Tamron 14-150mm f3.5-5.8 III also has a larger diameter of 64mm compared to the Panasonic 14mm F2.5 ASPH'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. Panasonic 14mm F2.5 ASPH weighs 55g, which means it is 230g (80%) lighter than the Tamron 14-150mm f3.5-5.8 III which has a weight of 285g.
Filter Threads
The Panasonic 14mm F2.5 ASPH has a filter size of 46mm whereas the Tamron 14-150mm f3.5-5.8 III has a 52mm 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 14mm F2.5 ASPH:
And these are the 52mm filters that we recommend for the Tamron 14-150mm f3.5-5.8 III:
Lens Mounts
Both the Panasonic 14mm F2.5 ASPH and the Tamron 14-150mm f3.5-5.8 III 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
Panasonic 14mm F2.5 ASPH is a prime lens with fixed focal lenght of 14mm which has an effective (full-frame 35mm equivalent) focal range of
28mm when used on a FourThirds format camera.
On the other hand, the Tamron 14-150mm f3.5-5.8 III has a focal range of 14-150mm and 10.7X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 28-300mm when used on a FourThirds format camera.