Tamron SP 70-300mm F/4-5.6 Di USD vs Sigma 18-125mm f/3.8-5.6 DC OS HSM

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 need more reach: 300mm vs 125mm at the long end

Pick the Sigma 18-125mm f/3.8-5.6 DC OS HSM if

You want a wider view: 18mm 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 0.35 m vs 1.5 m

Spec differences

15 differences

Specifications that differ between the Tamron SP 70-300mm F/4-5.6 Di USD and the Sigma 18-125mm f/3.8-5.6 DC OS HSM
	Tamron SP 70-300mm F/4-5.6 Di USD	Sigma 18-125mm f/3.8-5.6 DC OS HSM
Brand	Tamron	Sigma
Type	Telephoto Zoom	Superzoom
Format	not listed	APS-C
Focal length	70-300mm	18-125mm
Max aperture	f/4	f/3.8
Weight	765 g	not listed
Length	143 mm	not listed
Diameter	82 mm	not listed
Filter thread	62 mm	67 mm
Min focus distance	1.5 m	0.35 m closer
Max magnification	not listed	0.26×
Aperture blades	not listed	7
Optical design	not listed	16 elements / 12 groups
Autofocus motor	USD	HSM
Image stabilization	No	Yes stabilized

1 identical spec hidden: mount. Show all

Mount: Sony A 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