The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 15-30mm f2.8 VC USD and the Nikon 18-35mm f3.5-4.5G ED for their suitability to various photography scenarios:
Size and Weight Comparison
Size of a lens is an important deciding factor when comparing two lenses.Tamron 15-30mm f2.8 VC USD is the longer of the two lenses at 145mm. The Nikon 18-35mm f3.5-4.5G ED with a length of 95mm is 50mm shorter. Besides being longer, the Tamron 15-30mm f2.8 VC USD also has a larger diameter of 98mm compared to Nikon 18-35mm f3.5-4.5G ED's 83mm diameter.
Weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Nikon 18-35mm f3.5-4.5G ED weighs 385g, 65% (715g) lighter than the Tamron 15-30mm f2.8 VC USD's weight of 1100g.
Lens Mounts
Both Tamron 15-30mm f2.8 VC USD and Nikon 18-35mm f3.5-4.5G ED has the same Nikon F (FX) lens mount. Some of the latest released cameras that are compatible with the Nikon F (FX) lenses are Nikon D6, Nikon D780 and Nikon D3500.
Tamron 15-30mm f2.8 VC USD is also available in Canon EF and Sony Alpha mounts.
Focal Range
Tamron 15-30mm f2.8 VC USD has a focal range of 15-30mm and 2.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides an 35mm (FF) equivalent of 22.5 - 45mm.
Nikon 18-35mm f3.5-4.5G ED has a focal range of 18-35mm and 1.9X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides an 35mm (FF) equivalent of 27 - 52.5mm.