Tamron
17-28mm F2.8 Di III RXD
Nikon Z Mount
17-28mm F2.8 Di III RXD — 17–28mm f/2.8 for Nikon Z, a popular choice in the tamron lineup.
$899
Launch priceReleased Dec 2022
Tamron
70-180mm F2.8 Di III VXD
Sony E Mount
70-180mm F2.8 Di III VXD — 70–180mm f/2.8 for Sony E, a popular choice in the tamron lineup.
$1,199
Launch priceReleased May 2020
17-28mm F2.8 Di III RXD is 2.6 years newer.
Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.
Wins
17-28mm F2.8 Di III RXD
Wins
70-180mm F2.8 Di III VXD
5 categories tied
TL;DR — Key differences
- A17-28mm F2.8 Di III RXD has lower Weight (430 g vs 815 g)
- A17-28mm F2.8 Di III RXD has lower Length (110 mm vs 164 mm)
- B70-180mm F2.8 Di III VXD has lower Diameter (81 mm vs 86 mm)
Key specs at a glance
Use-case scoring
Which one for what?
Algorithmic scores from verified specs · 10 = best in class
Why pick one over the other
Reasons to choose the 17-28mm F2.8 Di III RXD
- ✓
Weight
430 g vs 815 g — lower is better
- ✓
Length
110 mm vs 164 mm — lower is better
Reasons to choose the 70-180mm F2.8 Di III VXD
- ✓
Control ring
Only 70-180mm F2.8 Di III VXD supports it
- ✓
Diameter
81 mm vs 86 mm — lower is better
Shared specifications
Max aperture (Wide)
Both f/2.8
Max aperture (Tele)
Both f/2.8
Min focus distance
Both 38 cm
Max magnification
Both 0.25 ×
Internal focus
Both support internal focus
Weather sealing
Both support weather sealing
Pros & cons at a glance
Editorially curated highlights and trade-offs.
17-28mm F2.8 Di III RXD
Pros
- ✓Versatile zoom range covers multiple focal lengths in one lens
- ✓Weather-sealed construction for outdoor shooting
- ✓Native Nikon Z mount compatibility
Cons
- –Third-party or older alternatives may offer better value
70-180mm F2.8 Di III VXD
Pros
- ✓Versatile zoom range covers multiple focal lengths in one lens
- ✓Weather-sealed construction for outdoor shooting
- ✓Native Sony E mount compatibility
Cons
- –No optical stabilization — relies on body IBIS
- –Third-party or older alternatives may offer better value
Decided which one is right for you?
Compare live prices for the 17-28mm F2.8 Di III RXD and 70-180mm F2.8 Di III VXD at major authorized retailers.
Tamron 17-28mm F2.8 Di III RXD
Tamron 70-180mm F2.8 Di III VXD
Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.
Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.