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

Pentax K-3 Mark III

APS-C DSLR · 2021

80
/ 100
From $1,999
VS
Canon EOS R50 · Body only — APS-C · 2023
Canon

Canon EOS R50 · Body only

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 lands at 80 and Canon EOS R50 · Body only at 80. With scores tied, the decision hinges on which sub-scores matter most to you.

Pick Pentax K-3 Mark III if…

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

Pick Canon EOS R50 · Body only if…

  • ✓Current-gen AF system
  • ✓Proven lens ecosystem
  • ✓Strong video + stills balance
Pentax K-3 Mark III 80
vs
80 Canon EOS R50 · Body only

Score breakdown

Pentax K-3 Mark III
80
photo 80
video 72
autofocus 76
ergonomics 86
Canon EOS R50 · Body only
80
photo 80
video 76
autofocus 78
ergonomics 86

Specs side-by-side

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

Pentax K-3 Mark III

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 · Body only

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 vs Canon EOS R50 · Body only

Which is better, Pentax K-3 Mark III or Canon EOS R50 · Body only? +

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

Is Pentax K-3 Mark III worth the price? +

At $1,999, Pentax K-3 Mark III delivers a Specdex score of 80 — strongest in ergonomics.

Is Canon EOS R50 · Body only worth the price? +

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

Does Pentax K-3 Mark III or Canon EOS R50 · Body only 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.