The type of photography that you are planning to use is an important decision factor. Here we have evaluated the 7Artisans 60mm f2.8 2x Macro and the Sigma 17-70mm F2.8-4 DC OS HSM 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. 7Artisans 60mm f2.8 2x Macro is the longer of the two lenses at 109mm. The Sigma 17-70mm F2.8-4 DC OS HSM with a length of 89mm, is 20mm shorter. On the other hand, the Sigma 17-70mm F2.8-4 DC OS HSM has a larger diameter of 79mm compared to the 7Artisans 60mm f2.8 2x Macro's 70mm 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. Sigma 17-70mm F2.8-4 DC OS HSM weighs 520g, 5% (30g) lighter than the 7Artisans 60mm f2.8 2x Macro's weight of 550g.
Filter Threads
The 7Artisans 60mm f2.8 2x Macro has a filter size of 67mm whereas the Sigma 17-70mm F2.8-4 DC OS HSM has a 72mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 67mm filters that we recommend you to consider for the 7Artisans 60mm f2.8 2x Macro:
And these are the 72mm filters that we recommend for the Sigma 17-70mm F2.8-4 DC OS HSM:
Lens Mounts
The 7Artisans 60mm f2.8 2x Macro has the Sony E lens mount whereas the Sigma 17-70mm F2.8-4 DC OS HSM has the Canon EF lens mount. Some of the latest released cameras that are compatible with these mounts are Sony FX5, Sony A7R VI and Sony A7 V for the Sony E Mount and Canon T8i, Canon 90D and Canon SL3 for the Canon EF Mount.
7Artisans 60mm f2.8 2x Macro is also available in the Nikon Z and Canon RF mounts.
Sigma 17-70mm F2.8-4 DC OS HSM is also available in Pentax KAF3 , Sony Alpha, Sigma SA and Nikon F (DX) mounts.
Focal Range
7Artisans 60mm f2.8 2x Macro is a prime lens with fixed focal lenght of 60mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
90mm.
On the other hand, the Sigma 17-70mm F2.8-4 DC OS HSM has a focal range of 17-70mm and 4.1X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 27.2-112mm when used on a APS-C / DX format camera.
