§ 03 Head to head

Sony E 70-350mm F4.5-6.3 G OSS vs Tamron 70-300 mm f/4.5-6.3 Di III RXD

Sony 70–350mm f/4.5-6.3 has a longer reach. Tamron 70–300mm f/4.5-6.3 is 80 g lighter.

Both lenses are made for the Sony E mount: the Sony E 70-350mm F4.5-6.3 G OSS is a 70–350mm f/4.5-6.3 zoom, and the Tamron 70-300 mm f/4.5-6.3 Di III RXD is a 70–300mm f/4.5-6.3 zoom. On paper the Tamron 70-300 mm f/4.5-6.3 Di III RXD comes out ahead, 4 advantages to 3, but which one suits you depends on what you shoot.

01

Key differences

From manufacturer specifications

Why is the Sony E 70-350mm F4.5-6.3 G OSS better than the Tamron 70-300 mm f/4.5-6.3 Di III RXD?

  • Longer reach (350mm vs 300mm)
  • 6 mm shorter (142 mm vs 148 mm long)
  • Has optical image stabilization

Why is the Tamron 70-300 mm f/4.5-6.3 Di III RXD better than the Sony E 70-350mm F4.5-6.3 G OSS?

  • 80 g lighter (545 g vs 625 g)
  • Focuses 70 cm closer (0.8 m vs 1.5 m)
  • Covers a larger sensor format (full-frame vs APS-C)
  • Newer design (2020 vs 2019)
02

Which should you buy?

By use
  • portrait For portrait photography, the Tamron 70-300 mm f/4.5-6.3 Di III RXD has the edge: it is 80 g lighter to carry.
03

Specification

18 rows · better value flagged ◆
SpecificationSony E 70-350mm F4.5-6.3 G OSSTamron 70-300 mm f/4.5-6.3 Di III RXD
Focal length70–350mm 70–300mm
Maximum aperturef/4.5-6.3 f/4.5-6.3
Minimum aperturef/22-32 f/22-32
Lens typeTelephoto zoom lens Zoom lens
FormatAPS-C Full frame
Weight625 g (22.1 oz) 545 g (19.22 oz) ◆
Dimensions77 mm (diameter) x 142 mm (length) 77 x 148 mm
Minimum focusing distance1.1-1.5 m (3.61-4.93 ft) 0.8 m / 1.5 m (31.5 in / 59.1 in) ◆
Maximum magnification0.23x —
Image stabilizationYes (Optical SteadyShot) ◆No
Weather sealingYes Yes
Aperture ringNo —
Aperture blades7 (circular) 7
Optical construction19 elements in 13 groups, including one aspherical and three extra-low dispersion (ED) elements 15 elements / 10 groups
Filter size67 mm 67 mm
Lens mountSony E Sony E, Nikon Z
Released2019 2020
Price—$549 launch price
04

Size

Drawn to relative scale
  • A · Sony
  • B · Tamron
  • 142 × 77 mm
  • 148 × 77 mm

The Tamron 70-300 mm f/4.5-6.3 Di III RXD is 6 mm longer and 80 g lighter than the Sony E 70-350mm F4.5-6.3 G OSS.

05

Sample frames

Shot on each lens

Sony E 70-350mm F4.5-6.3 G OSS

Just Chillin'
Just Chillin' by jkiscycling
Fluke
Fluke by Boddington1312
Port d\u00b4Alc\u00fadia - After Sunset
Port d\u00b4Alc\u00fadia - After Sunset by jzngbmkr87
Green Heron
Green Heron by cj13822

Tamron 70-300 mm f/4.5-6.3 Di III RXD

Jay
Jay by Will Blackburn
Flew
Flew by Will Blackburn
Moorehen
Moorehen by Will Blackburn
Span
Span by Will Blackburn
06

Video reviews

4 on YouTube
Video thumbnail for Sony E 70-350mm F4.5-6.3 G OSS review 1
Video thumbnail for Sony E 70-350mm F4.5-6.3 G OSS review 2
Video thumbnail for Tamron 70-300 mm f/4.5-6.3 Di III RXD review 1
Video thumbnail for Tamron 70-300 mm f/4.5-6.3 Di III RXD review 2
07

Questions

Which is lighter, the Sony E 70-350mm F4.5-6.3 G OSS or the Tamron 70-300 mm f/4.5-6.3 Di III RXD?
The Tamron 70-300 mm f/4.5-6.3 Di III RXD weighs 545 g, 80 g less than the Sony E 70-350mm F4.5-6.3 G OSS (625 g).
Which focuses closer, the Sony E 70-350mm F4.5-6.3 G OSS or the Tamron 70-300 mm f/4.5-6.3 Di III RXD?
The Tamron 70-300 mm f/4.5-6.3 Di III RXD focuses down to 0.8 m, against 1.5 m for the Sony E 70-350mm F4.5-6.3 G OSS.
Do the Sony E 70-350mm F4.5-6.3 G OSS and the Tamron 70-300 mm f/4.5-6.3 Di III RXD have image stabilization?
Only the Sony E 70-350mm F4.5-6.3 G OSS has optical image stabilization.
Is the Sony E 70-350mm F4.5-6.3 G OSS or the Tamron 70-300 mm f/4.5-6.3 Di III RXD better for portrait photography?
For portrait photography, the Tamron 70-300 mm f/4.5-6.3 Di III RXD has the edge: it is 80 g lighter to carry.
08

Other comparisons