Tamron 17–70mm F2.8 Di III-A VC RXD vs 16-50mm f/2.8 A

Both are Fujifilm X zoom lenses for APS-C. Here is what actually differs.

Tamron · 2022

Pick the 17–70mm F2.8 Di III-A VC RXD if

You need more reach: 70mm vs 50mm at the long end
You shoot handheld in dim light or video: it has optical image stabilization and the 16-50mm f/2.8 A does not
You care about the shape of out-of-focus highlights: 9 aperture blades vs 7

Pick the 16-50mm f/2.8 A if

You want a wider view: 16mm vs 17mm at the wide end
You shoot close-ups: it focuses down to 0.15 m vs 0.19 m
You prefer a newer design: released 2026 vs 2022

Spec differences

11 differences

Specifications that differ between the Tamron 17–70mm F2.8 Di III-A VC RXD and the Tamron 16-50mm f/2.8 A
	17–70mm F2.8 Di III-A VC RXD	16-50mm f/2.8 A
Focal length	17-70mm	16-50mm
Weight	not listed	305 g
Diameter	74.6 mm	64.4 mm slimmer
Filter thread	67 mm	55 mm
Min focus distance	0.19 m	0.15 m closer
Max magnification	0.21×	0.22× larger
Aperture blades	9 more blades	7
Optical design	16 elements / 12 groups	14 elements / 10 groups
Autofocus motor	RXD	not listed
Image stabilization	Yes stabilized	No
Released	2022	2026

6 identical specs hidden: brand, mount, type, format, max aperture, weather sealing. Show all

Brand: Tamron both
Mount: Fujifilm X both
Type: Zoom both
Format: APS-C both
Max aperture: f/2.8 both
Weather sealing: Yes both

Our notes

Tamron 17–70mm F2.8 Di III-A VC RXD

This 17-70mm f/2.8 APS-C fast standard zoom lens from Tamron fits Fujifilm X mount cameras, with Vibration Compensation and quiet motor-driven autofocus. The range covers everything from wide scenes to portraits, so it works as a general-purpose lens.

Our notes