The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang 24mm f1.4 and the Tamron 24-70mm f2.8 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. Samyang 24mm f1.4 weighs 580g, which means it is 245g (29%) lighter than the Tamron 24-70mm f2.8 VC USD which has a weight of 825g.
Filter Threads
The Samyang 24mm f1.4 has a filter size of 77mm whereas the Tamron 24-70mm f2.8 VC USD has a 82mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 77mm filters that we recommend you to consider for the Samyang 24mm f1.4:
And these are the 82mm filters that we recommend for the Tamron 24-70mm f2.8 VC USD:
Lens Mounts
Both the Samyang 24mm f1.4 and the Tamron 24-70mm f2.8 VC USD has the same Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Canon 1D X III, Canon 6D MII and Canon 5D MIV.
Samyang 24mm f1.4 is also available in Nikon F (FX) , Four Thirds, Pentax KAF, Sony Alpha, Sony E and Samsung NX mounts.
Tamron 24-70mm f2.8 VC USD is also available in Nikon F (FX) and Sony Alpha mounts.
Focal Range
Samyang 24mm f1.4 is a prime lens with fixed focal lenght of 24mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
38.4mm.
On the other hand, the Tamron 24-70mm f2.8 VC USD has a focal range of 24-70mm and 2.9X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of 38.4 - 112mm.