The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 70-300mm f4-5.6 USD and the Sony 85mm F1.4 ZA CZ 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 70-300mm f4-5.6 USD is the longer of the two lenses at 143mm. The Sony 85mm F1.4 ZA CZ with a length of 73mm, is 70mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 82mm.
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. Sony 85mm F1.4 ZA CZ weighs 560g, 26% (205g) lighter than the Tamron 70-300mm f4-5.6 USD's weight of 765g.
Filter Threads
The Tamron 70-300mm f4-5.6 USD has a filter size of 62mm whereas the Sony 85mm F1.4 ZA CZ 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 70-300mm f4-5.6 USD:
And these are the 72mm filters that we recommend for the Sony 85mm F1.4 ZA CZ:
Lens Mounts
Both the Tamron 70-300mm f4-5.6 USD and the Sony 85mm F1.4 ZA CZ has the same Sony Alpha lens mount. Some of the latest released cameras that are compatible with the Sony Alpha lenses are Sony A99 II, Sony A68 and Sony A77 II.
Focal Range
Tamron 70-300mm f4-5.6 USD 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 85mm F1.4 ZA CZ is a prime lens with fixed focal lenght of 85mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 127.5mm.
