The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tamron 11-18mm f4.5-5.6 II LD and the Tamron 10-24mm f3.5-4.5 II LD 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 10-24mm f3.5-4.5 II LD is the longer of the two lenses at 84mm. The Tamron 11-18mm f4.5-5.6 II LD with a length of 79mm, is 5mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 83mm.
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 11-18mm f4.5-5.6 II LD weighs 355g, which means it is 51g (12%) lighter than the Tamron 10-24mm f3.5-4.5 II LD which has a weight of 406g.
Filter Threads
Both the Tamron 11-18mm f4.5-5.6 II LD and the Tamron 10-24mm f3.5-4.5 II LD have the same Filter thread size of 77mm.
Below are links to the 77mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Tamron 11-18mm f4.5-5.6 II LD has the Nikon F (DX) lens mount whereas the Tamron 10-24mm f3.5-4.5 II LD has the Canon EF lens mount. Some of the latest released cameras that are compatible with these mounts are Nikon D3500, Nikon D7500 and Nikon D5600 for the Nikon F (DX) Mount and Canon T8i, Canon 90D and Canon SL3 for the Canon EF Mount.
Tamron 10-24mm f3.5-4.5 II LD is also available in Nikon F (DX) , Sony Alpha, Pentax KAF and Canon EF mounts.
Focal Range
Tamron 11-18mm f4.5-5.6 II LD has a focal range of 11-18mm and
1.6X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
16.5-27mm when used on a APS-C / DX format camera.
On the other hand, the Tamron 10-24mm f3.5-4.5 II LD has a focal range of 10-24mm and 2.4X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 16-38.4mm when used on a APS-C / DX format camera.
