The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang T-S 24mm f3.5 and the Tamron AF 28-80mm f3.5-5.6 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. Samyang T-S 24mm f3.5 is the longer of the two lenses at 112mm. The Tamron AF 28-80mm f3.5-5.6 with a length of 70mm, is 42mm shorter. Besides being longer, the Samyang T-S 24mm f3.5 also has a larger diameter of 86mm compared to the Tamron AF 28-80mm f3.5-5.6's 72mm 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 28-80mm f3.5-5.6 weighs 237g, 65% (443g) lighter than the Samyang T-S 24mm f3.5's weight of 680g.
Filter Threads
The Samyang T-S 24mm f3.5 has a filter size of 82mm whereas the Tamron AF 28-80mm f3.5-5.6 has a 58mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 82mm filters that we recommend you to consider for the Samyang T-S 24mm f3.5:
And these are the 58mm filters that we recommend for the Tamron AF 28-80mm f3.5-5.6:
Lens Mounts
Both the Samyang T-S 24mm f3.5 and the Tamron AF 28-80mm f3.5-5.6 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 T-S 24mm f3.5 is also available in Nikon F (FX) , Pentax KAF, Sony Alpha and Sony E mounts.
Tamron AF 28-80mm f3.5-5.6 is also available in Nikon F (FX) , Sony Alpha and Pentax KAF mounts.
Focal Range
Samyang T-S 24mm f3.5 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 AF 28-80mm f3.5-5.6 has a focal range of 28-80mm 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 44.8 - 128mm.