The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron AF 70-300mm f4-5.6 LD and the Sony E PZ 18-105mm F4 G 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 AF 70-300mm f4-5.6 LD is the longer of the two lenses at 117mm. The Sony E PZ 18-105mm F4 G with a length of 110mm, is 7mm shorter. On the other hand, the Sony E PZ 18-105mm F4 G has a larger diameter of 78mm compared to the Tamron AF 70-300mm f4-5.6 LD's 77mm 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. Tamron AF 70-300mm f4-5.6 LD weighs 435g, which means it is 47g (9%) lighter than the Sony E PZ 18-105mm F4 G which has a weight of 482g.
Filter Threads
The Tamron AF 70-300mm f4-5.6 LD has a filter size of 62mm whereas the Sony E PZ 18-105mm F4 G has a 72mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 62mm filters that we recommend you to consider for the Tamron AF 70-300mm f4-5.6 LD:
And these are the 72mm filters that we recommend for the Sony E PZ 18-105mm F4 G:
Lens Mounts
The Tamron AF 70-300mm f4-5.6 LD has the Sony Alpha lens mount whereas the Sony E PZ 18-105mm F4 G has the Sony E lens mount. Some of the latest released cameras that are compatible with these mounts are Sony A99 II, Sony A68 and Sony A77 II for the Sony Alpha Mount and Sony ZV-E10 II, Sony A6700 and Sony FX30 for the Sony E Mount.
Tamron AF 70-300mm f4-5.6 LD is also available in the Canon EF , Nikon F (FX) and Pentax KAF mounts.
Focal Range
Tamron AF 70-300mm f4-5.6 LD has a focal range of 70-300mm and
4.3X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
105 - 450mm.
On the other hand, the Sony E PZ 18-105mm F4 G has a focal range of 18-105mm and 5.8X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 27-157.5mm when used on a APS-C / DX format camera.
