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Pentax K-3 Mark III · with battery grip — APS-C DSLR · 2021
Pentax

Pentax K-3 Mark III · with battery grip

APS-C DSLR · 2021

80
/ 100
From $2,299
VS
Canon EOS R50 — APS-C · 2023
Canon

Canon EOS R50

APS-C · 2023

80
/ 100
From $679
Specdex verdict

Dead heat — it comes down to priorities.

In our weighted Specdex score, Pentax K-3 Mark III · with battery grip lands at 80 and Canon EOS R50 at 80. With scores tied, the decision hinges on which sub-scores matter most to you.

Pick Pentax K-3 Mark III · with battery grip if…

  • ✓Mature system, great used market
  • ✓Proven lens lineup
  • ✓Often on sale

Pick Canon EOS R50 if…

  • ✓Current-gen AF system
  • ✓Proven lens ecosystem
  • ✓Strong video + stills balance
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Winner by scenario

Derived from the sub-score breakdown · not a separate test

Ergonomics

Tie

Compared on the ergonomics sub-score

Effectively tied — neither pulls a 2-point weighted lead.

Photo

Tie

Compared on the photo sub-score

Effectively tied — neither pulls a 2-point weighted lead.

Autofocus

Canon EOS R50

Compared on the autofocus sub-score

Canon EOS R50 leads on autofocus (78 vs 76).

Value for money

Canon EOS R50

Specdex score per dollar at MSRP

Canon EOS R50 more score per dollar ($679 vs $2,299).

Pentax K-3 Mark III · with battery grip 80
vs
80 Canon EOS R50

Score breakdown

Pentax K-3 Mark III · with battery grip
80
photo 80
video 72
autofocus 76
ergonomics 86
Canon EOS R50
80
photo 80
video 76
autofocus 78
ergonomics 86

Specs side-by-side

Pentax K-3 Mark III · with battery grip versus Canon EOS R50 — full spec comparison
Spec Pentax K-3 Mark III · with battery grip Canon EOS R50
Format
APS-C DSLR
APS-C
Release year
2021
2023

Pentax K-3 Mark III · with battery grip

Pros
  • +Mature system, great used market
  • +Proven lens lineup
  • +Often on sale
Cons
  • −Older AF system
  • −Heavier than modern mirrorless
  • −Firmware updates trailed off

Canon EOS R50

Pros
  • +Current-gen AF system
  • +Proven lens ecosystem
  • +Strong video + stills balance
Cons
  • −Body price excludes lens
  • −Heavy for travel (flagship)
  • −Learning curve on menus

FAQ: Pentax K-3 Mark III · with battery grip vs Canon EOS R50

Which is better, Pentax K-3 Mark III · with battery grip or Canon EOS R50? +

Both score 80 on our weighted rubric — tied. Your best pick depends on the sub-scores above.

Is Pentax K-3 Mark III · with battery grip worth the price? +

At $2,299, Pentax K-3 Mark III · with battery grip delivers a Specdex score of 80 — strongest in ergonomics.

Is Canon EOS R50 worth the price? +

At $679, Canon EOS R50 delivers a Specdex score of 80 — strongest in ergonomics.

Does Pentax K-3 Mark III · with battery grip or Canon EOS R50 last longer? +

Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.

Which is better for autofocus, Pentax K-3 Mark III · with battery grip or Canon EOS R50? +

Canon EOS R50 — leads on autofocus (78 vs 76). Compared on the autofocus sub-score.

Which is the better value, Pentax K-3 Mark III · with battery grip or Canon EOS R50? +

Canon EOS R50 — more score per dollar ($679 vs $2,299). Specdex score per dollar at MSRP.