Tamron
17-28mm F2.8 Di III RXD
Sony E Mount
17-28mm F2.8 Di III RXD — 17–28mm f/2.8 for Sony E, a popular choice in the tamron lineup.
$899
Launch priceReleased Jun 2019
Tamron
28-200mm F2.8-5.6 Di III RXD
Sony E Mount
28-200mm F2.8-5.6 Di III RXD — 28–200mm f/2.8-5.6 for Sony E, a popular choice in the tamron lineup.
$729
Launch priceReleased Jun 2020
28-200mm F2.8-5.6 Di III RXD is 1 year newer.
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Wins
17-28mm F2.8 Di III RXD
Wins
28-200mm F2.8-5.6 Di III RXD
4 categories tied
TL;DR — Key differences
- A17-28mm F2.8 Di III RXD has lower Max aperture (Tele) (f/2.8 vs f/5.6)
- A17-28mm F2.8 Di III RXD has lower Weight (420 g vs 575 g)
- B28-200mm F2.8-5.6 Di III RXD has lower Diameter (70 mm vs 86 mm)
- A17-28mm F2.8 Di III RXD has lower Length (109 mm vs 131 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
- ✓
Max aperture (Tele)
f/2.8 vs f/5.6 — lower is better
- ✓
Weight
420 g vs 575 g — lower is better
- ✓
Length
109 mm vs 131 mm — lower is better
Reasons to choose the 28-200mm F2.8-5.6 Di III RXD
- ✓
Diameter
70 mm vs 86 mm — lower is better
Shared specifications
Max aperture (Wide)
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 Sony E mount compatibility
Cons
- –Third-party or older alternatives may offer better value
28-200mm F2.8-5.6 Di III RXD
Pros
- ✓Versatile zoom range covers multiple focal lengths in one lens
- ✓Solid optical performance for the price tier
- ✓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 28-200mm F2.8-5.6 Di III RXD at major authorized retailers.
Tamron 17-28mm F2.8 Di III RXD
Tamron 28-200mm F2.8-5.6 Di III RXD
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.