Canon
EOS R1
Flagship 24.2MP full-frame BSI stacked RF body with 40fps burst, Dual Pixel Intelligent AF, 6K RAW, and 9.44M-dot EVF.
$6,299
Launch priceReleased Jul 2024
Pentax
K-50
Weather-sealed entry APS-C DSLR with IBIS and AA filter simulator at an accessible price.
$599
Launch priceReleased Jun 2013
EOS R1 is 11.1 years newer.
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Wins
EOS R1
Wins
K-50
2 categories tied
Which would you choose?
TL;DR — Key differences
- AEOS R1 has higher AF points / zones (1053 vs 101)
- AEOS R1 has higher ISO max (native) (102,400 vs 25,600)
- AEOS R1 has higher EVF resolution (9,440,000 vs 2,360,000)
- AEOS R1 has higher Burst (electronic) (40 fps vs 11 fps)
- AEOS R1 has higher IBIS effectiveness (8.5 stops vs 3 stops)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
EOS R1
158 × 150 × 87 mm
920 g (2.03 lb / 32.45 oz)
Credit card
85.6 × 54 mm
for scale
K-50
129 × 97 × 70 mm
590 g (1.30 lb / 20.81 oz)
EOS R1 is 29mm wider, 53mm taller, and 17mm thicker than K-50.
EOS R1 is 330 g heavier than K-50.
Depth (front-to-back): 87mm EOS R1 · 70mm K-50
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS R1
158 × 150 mm
Credit card
85.6 × 54 mm
K-50
129 × 97 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
EOS R1
158 × 87 mm
Credit card
85.6 × 54 mm
K-50
129 × 70 mm
Sensor size, to scale
EOS R1
36 × 24 mm · Full Frame
864 mm² area
K-50
23.7 × 15.7 mm · APS-C
372 mm² area
2.3× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
EOS R1
✓ more lensesCanon RF
105+
native lenses available
K-50
Pentax K
70+
native lenses available
Counts include current first-party and major third-party native autofocus lenses.
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
EOS R1
AF low-light limit
-7.5 EV vs -3 EV — lower is better
Subject recognition
Adds People, Dogs, Cats…
Dimensions (W×H×D mm)
Adds 157.6, 149.5, 87.3
Card types
Adds CFexpress Type B, CFexpress Type B
AF points / zones
1053 vs 101 — higher is better
ISO max (native)
102,400 vs 25,600 — higher is better
EVF resolution
9,440,000 vs 2,360,000 — higher is better
Burst (electronic)
40 fps vs 11 fps — higher is better
Reasons to choose
K-50
Subject recognition
Adds Human, Animal, Bird…
Dimensions (W×H×D mm)
Adds 129, 96.5, 70
Card types
Adds SD UHS-II
Weight
590 g vs 920 g — lower is better
Both cameras share
- ✓AA filter — Both support aa filter
- ✓ISO min (native) — Both 100
- ✓AF frame coverage — Both 100 %
- ✓Eye AF — Both support eye af
- ✓In-body stabilization (IBIS) — Both support in-body stabilization (ibis)
- ✓Weather sealing — Both support weather sealing
Pros & cons at a glance
Editorially curated highlights and trade-offs.
EOS R1
Pros
- ✓40fps electronic burst
- ✓24.2MP BSI stacked full-frame sensor
- ✓Dual Pixel Intelligent AF
- ✓6K RAW and 4K 120p video
- ✓Dual CFexpress Type B slots
Cons
- –24MP resolution
- –Very expensive
- –Large integrated-grip body
K-50
Pros
- ✓Weather sealed entry
- ✓IBIS
- ✓AA filter simulator
- ✓Great used value
Cons
- –16MP sensor
- –DSLR platform
- –Limited video
Decided which one is right for you?
Compare live prices for the EOS R1 and K-50 at major authorized retailers.
Canon EOS R1
Pentax K-50
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, EOS R1 or K-50?
EOS R1 scores 10.0/10 versus 4.0/10 for K-50 — 40fps burst — pro-level action capture.
What's the resolution difference between the EOS R1 and K-50?
EOS R1 is 24.2 MP and K-50 is 16.3 MP, so the EOS R1 captures more detail for cropping and large prints.
Do the EOS R1 and K-50 have in-body image stabilization?
EOS R1 has 8.5-stop in-body image stabilization, while K-50 has 3-stop in-body image stabilization.
Which shoots faster bursts — the EOS R1 or the K-50?
EOS R1 reaches 40 fps electronic. K-50 reaches 11 fps electronic.
What's the weight difference between the EOS R1 and K-50?
EOS R1 weighs 920 g and K-50 weighs 590 g, so the K-50 is 330 g lighter.
Do the EOS R1 and K-50 record 4K video?
EOS R1: 6K RAW (max), 4K up to 120p. K-50: 4K up to 60p.
Are the EOS R1 and K-50 weather sealed?
EOS R1: Yes. K-50: Yes.
Which has better battery life?
Rated battery life is 1,330 shots (CIPA) for the EOS R1 and 640 shots for the K-50, giving the EOS R1 the edge.
How much does each cost?
EOS R1 launched at $6,299 and K-50 at $599. The K-50 is $5,700 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way EOS R1 vs K-50 vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of Canon and Pentax press materials.