The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Panasonic 45-200mm F4-5.6 OIS and the Tamron 18-270mm f3.5-6.3 II VC PZD 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 45-200mm F4-5.6 OIS is the longer of the two lenses at 100mm. The Tamron 18-270mm f3.5-6.3 II VC PZD with a length of 88mm, is 12mm shorter. On the other hand, the Tamron 18-270mm f3.5-6.3 II VC PZD has a larger diameter of 74mm compared to the Panasonic 45-200mm F4-5.6 OIS's 70mm 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 45-200mm F4-5.6 OIS weighs 380g, which means it is 70g (15%) lighter than the Tamron 18-270mm f3.5-6.3 II VC PZD which has a weight of 450g.
Filter Threads
The Panasonic 45-200mm F4-5.6 OIS has a filter size of 52mm whereas the Tamron 18-270mm f3.5-6.3 II VC PZD has a 62mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 52mm filters that we recommend you to consider for the Panasonic 45-200mm F4-5.6 OIS:
And these are the 62mm filters that we recommend for the Tamron 18-270mm f3.5-6.3 II VC PZD:
Lens Mounts
The Panasonic 45-200mm F4-5.6 OIS has the Micro Four Thirds lens mount whereas the Tamron 18-270mm f3.5-6.3 II VC PZD has the Nikon F (DX) 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 Nikon D3500, Nikon D7500 and Nikon D5600 for the Nikon F (DX) Mount.
Tamron 18-270mm f3.5-6.3 II VC PZD is also available in Canon EF mount.
Focal Range
Panasonic 45-200mm F4-5.6 OIS has a focal range of 45-200mm and
4.4X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
90-400mm when used on a FourThirds format camera.
On the other hand, the Tamron 18-270mm f3.5-6.3 II VC PZD has a focal range of 18-270mm and 15.0X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 27-405mm when used on a APS-C / DX format camera.
