Tamron SP 70-300mm F/4-5.6 Di USD vs Sigma 24-105mm f/4 DG OS HSM Art

Both are Sony A lenses. Here is what actually differs.

Tamron

Pick the Tamron SP 70-300mm F/4-5.6 Di USD if

You want the lighter lens to carry: 120 g lighter (765 g vs 885 g)
You need more reach: 300mm vs 105mm at the long end

Pick the Sigma 24-105mm f/4 DG OS HSM Art if

You want a wider view: 24mm vs 70mm at the wide end
You shoot handheld in dim light or video: it has optical image stabilization and the Tamron SP 70-300mm F/4-5.6 Di USD does not
You shoot close-ups: it focuses down to 0.45 m vs 1.5 m
You want a compact lens: 109.4 mm vs 143 mm long

Spec differences

15 differences

Specifications that differ between the Tamron SP 70-300mm F/4-5.6 Di USD and the Sigma 24-105mm f/4 DG OS HSM Art
	Tamron SP 70-300mm F/4-5.6 Di USD	Sigma 24-105mm f/4 DG OS HSM Art
Brand	Tamron	Sigma
Type	Telephoto Zoom	Zoom
Format	not listed	Full frame
Focal length	70-300mm	24-105mm
Weight	765 g lighter	885 g
Length	143 mm	109.4 mm shorter
Diameter	82 mm slimmer	88.6 mm
Filter thread	62 mm	82 mm
Min focus distance	1.5 m	0.45 m closer
Max magnification	not listed	0.22×
Aperture blades	not listed	9
Optical design	not listed	19 elements / 14 groups
Autofocus motor	USD	HSM
Image stabilization	No	Yes stabilized
Released	not listed	2013

2 identical specs hidden: mount, max aperture. Show all

Mount: Sony A both
Max aperture: f/4 both

Our notes

Tamron SP 70-300mm F/4-5.6 Di USD

A 70-300mm f/4-5.6 full-frame telephoto zoom lens, the Tamron SP 70-300mm F/4-5.6 Di USD is designed for Sony A mount bodies, from the Tamron SP series. The range suits sports, wildlife, events and portraits.

Our notes

Sigma 24-105mm f/4 DG OS HSM Art

A 24-105mm f/4 full-frame standard zoom lens, the Sigma 24-105mm f/4 DG OS HSM Art is designed for Sony A mount bodies, from the Sigma Art line with Optical Stabilizer and Hyper Sonic Motor autofocus. The range covers everything from wide scenes to portraits, so it works as a ...