The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron AF 18-250mm f3.5-6.3 II LD and the Sony DT 18-250mm F3.5-6.3 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. Sony DT 18-250mm F3.5-6.3 is the longer of the two lenses at 86mm. The Tamron AF 18-250mm f3.5-6.3 II LD with a length of 84mm, is 2mm shorter. Besides being longer, the Sony DT 18-250mm F3.5-6.3 also has a larger diameter of 75mm compared to the Tamron AF 18-250mm f3.5-6.3 II LD's 74mm 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 18-250mm f3.5-6.3 II LD weighs 430g, which means it is 10g (2%) lighter than the Sony DT 18-250mm F3.5-6.3 which has a weight of 440g.
Filter Threads
Both the Tamron AF 18-250mm f3.5-6.3 II LD and the Sony DT 18-250mm F3.5-6.3 have the same Filter thread size of 62mm.
Below are links to the 62mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Tamron AF 18-250mm f3.5-6.3 II LD has the Pentax KAF lens mount whereas the Sony DT 18-250mm F3.5-6.3 has the Sony Alpha lens mount. Some of the latest released cameras that are compatible with these mounts are Pentax K-3 III Mono, Pentax KF and Pentax K-3 III for the Pentax KAF Mount and Sony A68, Sony A77 II and Sony A58 for the Sony Alpha Mount.
Tamron AF 18-250mm f3.5-6.3 II LD is also available in the Canon EF , Nikon F (DX) and Sony Alpha mounts.
Focal Range
Both lenses have the same focal range of
18-250mm and the fastest aperture of
F3.5 - F6.3.