The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Brightin Star 60mm f2.8 II and the Tamron 90mm F2.8 Di 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 90mm F2.8 Di III is the longer of the two lenses at 126mm. The Brightin Star 60mm f2.8 II with a length of 118mm, is 8mm shorter. Besides being longer, the Tamron 90mm F2.8 Di III also has a larger diameter of 79mm compared to the Brightin Star 60mm f2.8 II's 68mm 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 90mm F2.8 Di III weighs 630g, 4% (30g) lighter than the Brightin Star 60mm f2.8 II's weight of 660g.
Below you can find the dimension and weight table of the Macro Prime Lenses in Sony E Mount for size comparison purposes.
Macro Lenses in Sony E Mount for Size Comparison
Filter Threads
Both the Brightin Star 60mm f2.8 II and the Tamron 90mm F2.8 Di III have the same Filter thread size of 67mm.
Below are links to the 67mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Brightin Star 60mm f2.8 II and the Tamron 90mm F2.8 Di III has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony FX5, Sony A7R VI and Sony A7 V.
Brightin Star 60mm f2.8 II is also available in the Nikon Z , Canon RF and MFT mounts.
Tamron 90mm F2.8 Di III is also available in Nikon Z mount.
Focal Range
Brightin Star 60mm f2.8 II is a prime lens with fixed focal lenght of 60mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
90mm.
On the other hand, the Tamron 90mm F2.8 Di III is a prime lens with fixed focal lenght of 90mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 135mm.
