The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Meike 50mm f1.8 AF and the Tamron 45mm F1.8 Di VC USD for their suitability to various photography scenarios:
Size and Weight Comparison
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. Meike 50mm f1.8 AF weighs 382g, which means it is 138g (26%) lighter than the Tamron 45mm F1.8 Di VC USD which has a weight of 520g.
Filter Threads
The Meike 50mm f1.8 AF has a filter size of 58mm whereas the Tamron 45mm F1.8 Di VC USD has a 67mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 58mm filters that we recommend you to consider for the Meike 50mm f1.8 AF:
And these are the 67mm filters that we recommend for the Tamron 45mm F1.8 Di VC USD:
Lens Mounts
The Meike 50mm f1.8 AF has the Nikon Z lens mount whereas the Tamron 45mm F1.8 Di VC USD has the Nikon F (FX) lens mount. Some of the latest released cameras that are compatible with these mounts are Nikon ZR, Nikon Z5 II and RED Komodo-X 6K Z for the Nikon Z Mount and Nikon D6, Nikon D780 and Nikon D3500 for the Nikon F (FX) Mount.
Meike 50mm f1.8 AF is also available in the Sony E and Leica L mounts.
Tamron 45mm F1.8 Di VC USD is also available in Canon EF and Sony Alpha mounts.
Focal Range
Meike 50mm f1.8 AF is a prime lens with fixed focal lenght of 50mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
75mm.
On the other hand, the Tamron 45mm F1.8 Di VC USD is a prime lens with fixed focal lenght of 45mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 67.5mm.
