The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Nikon 18-140mm f3.5-5.6G ED VR and the Nikon 18-105mm f3.5-5.6G ED VR 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. Nikon 18-140mm f3.5-5.6G ED VR is the longer of the two lenses at 97mm. The Nikon 18-105mm f3.5-5.6G ED VR with a length of 89mm, is 8mm shorter. Besides being longer, the Nikon 18-140mm f3.5-5.6G ED VR also has a larger diameter of 78mm compared to the Nikon 18-105mm f3.5-5.6G ED VR's 76mm 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. Nikon 18-105mm f3.5-5.6G ED VR weighs 420g, 14% (70g) lighter than the Nikon 18-140mm f3.5-5.6G ED VR's weight of 490g.
Below you can find the dimension and weight table of the SuperZoom Lenses in Nikon F (DX) Mount for size comparison purposes.
Superzoom Lenses in Nikon F (DX) Mount for Size Comparison
Filter Threads
Both the Nikon 18-140mm f3.5-5.6G ED VR and the Nikon 18-105mm f3.5-5.6G ED VR have the same Filter thread size of 67mm.
Below are links to the 67mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Nikon 18-140mm f3.5-5.6G ED VR and the Nikon 18-105mm f3.5-5.6G ED VR has the same Nikon F (DX) lens mount. Some of the latest released cameras that are compatible with the Nikon F (DX) lenses are Nikon D3500, Nikon D7500 and Nikon D5600.
Focal Range
Nikon 18-140mm f3.5-5.6G ED VR has a focal range of 18-140mm and
7.8X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
27-210mm when used on a APS-C / DX format camera.
On the other hand, the Nikon 18-105mm f3.5-5.6G ED VR has a focal range of 18-105mm and 5.8X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 27-157.5mm when used on a APS-C / DX format camera.
