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Canon

EOS R7

32.5MP APS-C RF-mount body with 30fps burst, 4K 60p, 7-stop IBIS, and advanced subject tracking.

$1,499

Launch price

Released May 2022

vs

Pentax

K-S2

Compact weather-sealed APS-C DSLR with 20MP sensor, AA filter simulator, and built-in Wi-Fi.

$799

Launch price

Released Feb 2015

EOS R7 is 7.3 years newer.

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Wins

11categories

EOS R7

Sports & ActionWildlife

Wins

1categories

K-S2

WildlifeSports & Action

6 categories tied

Which would you choose?

TL;DR — Key differences

EOS R7 wins 5 categories·K-S2 wins 0 categories
  • AEOS R7 has higher AF points / zones (651 vs 101)
  • AEOS R7 has higher Burst (mechanical) (15 fps vs 6 fps)
  • AEOS R7 has higher Max video bit rate (340 Mbps vs 150 Mbps)
  • AEOS R7 has higher Burst (electronic) (30 fps vs 15 fps)
  • AEOS R7 has higher Resolution (32.5 MP vs 20.1 MP)

Key specs at a glance

EOS R7K-S2
Resolution32.5 MP20.1 MP
Sensor22.3 × 14.8 mmAPS-C
ISO max32,00025,600
Burst30 fps15 fps
4K60 fps60 fps
IBIS8-stop6-stop
Weight612 g678 g
Battery660 shots640 shots

Size and weight, to scale

EOS R7

132 × 90 × 92 mm

612 g (1.35 lb / 21.59 oz)

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

for scale

K-S2

123 × 91 × 77 mm

678 g (1.49 lb / 23.92 oz)

EOS R7 is 1mm shorter than K-S2 but it is also 10mm wider and 15mm thicker.

EOS R7 is 66 g lighter than K-S2.

Depth (front-to-back): 92mm EOS R7 · 77mm K-S2

Sensor size, to scale

EOS R7

22.3 × 14.8 mm · APS-C

330 mm² area

K-S2

23.5 × 15.6 mm · APS-C

367 mm² area

1.1× larger sensor area = shallower depth of field and better low-light performance.

Lens ecosystem

Native lens selection

EOS R7

✓ more lenses

Canon RF

105+

native lenses available

45 first-party60 third-party

K-S2

Pentax K

70+

native lenses available

30 first-party40 third-party

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

Use caseEOS R7K-S2
Portrait
5.5Fair
5.5Fair
Sports & Action
10.0Excellent✓ wins
6.5Good
Video & Hybrid
6.0Good
6.0Good
Landscape
5.5Fair✓ wins
3.5Limited
Travel
8.5Excellent✓ wins
6.5Good
Wildlife
9.0Excellent
9.0Excellent
Vlogging
7.0Good✓ wins
5.5Fair

Why pick one over the other

Reasons to choose

EOS R7

  • AF low-light limit

    -5 EV vs -3 EV — lower is better

  • Dimensions (W×H×D mm)

    Adds 132, 90.4, 91.7

  • AF points / zones

    651 vs 101 — higher is better

  • Burst (mechanical)

    15 fps vs 6 fps — higher is better

  • Max video bit rate

    340 Mbps vs 150 Mbps — higher is better

  • Burst (electronic)

    30 fps vs 15 fps — higher is better

  • Resolution

    32.5 MP vs 20.1 MP — higher is better

  • EVF magnification

    1.15 × vs 0.78 × — higher is better

Reasons to choose

K-S2

  • Dimensions (W×H×D mm)

    Adds 122.5, 91.4, 76.9

  • RAW buffer depth

    60 frames vs 42 frames — higher is better

Both cameras share

  • AA filterBoth support aa filter
  • ISO min (native)Both 100
  • AF frame coverageBoth 100 %
  • Eye AFBoth support eye af
  • Animal / bird AFBoth support animal / bird af
  • Pre-Capture / Pre-ReleaseBoth support pre-capture / pre-release

Pros & cons at a glance

Editorially curated highlights and trade-offs.

EOS R7

Pros

  • High-resolution 32.5MP APS-C sensor
  • Up to 30fps electronic burst
  • 7-stop in-body stabilization
  • Dual SD UHS-II card slots
  • Strong value for wildlife and sports reach

Cons

  • APS-C sensor trails full-frame in low-light depth
  • RF-S lens lineup is still limited
  • 4K 60p uses a crop in some modes

K-S2

Pros

  • Weather sealed
  • Compact DSLR
  • AA filter simulator
  • Wi-Fi

Cons

  • 20MP dated
  • No IBIS
  • DSLR niche

Decided which one is right for you?

Compare live prices for the EOS R7 and K-S2 at major authorized retailers.

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Full specifications

= category winner

EOS R7
K-S2
Resolution
32.5 MP+62%
20.1 MP
Sensor type
APS-C CMOS
APS-C CMOS
Sensor size
22.3 × 14.8 mm
23.5 × 15.6 mm
AA filter
Yes
Yes
EOS R7
K-S2
Processor
DIGIC X
Image processor
EOS R7
K-S2
ISO min (native)
100
100
ISO max (native)
32,000+0.3 stops
25,600
ISO max (expanded)
51,200
102,400
EOS R7
K-S2
Shutter type
Mechanical + Electronic
Mechanical + Electronic
Max mechanical speed
1/8000 sec
1/8000 sec
Max electronic speed
1/16000 sec
1/16000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for sports, EOS R7 or K-S2?

EOS R7 scores 10.0/10 versus 6.5/10 for K-S2 — 30fps burst — pro-level action capture.

What's the resolution difference between the EOS R7 and K-S2?

EOS R7 is 32.5 MP and K-S2 is 20.1 MP, so the EOS R7 captures more detail for cropping and large prints.

Do the EOS R7 and K-S2 have in-body image stabilization?

EOS R7 has 8-stop in-body image stabilization, while K-S2 has 6-stop in-body image stabilization.

Which shoots faster bursts — the EOS R7 or the K-S2?

EOS R7 reaches 30 fps electronic. K-S2 reaches 15 fps electronic.

What's the weight difference between the EOS R7 and K-S2?

EOS R7 weighs 612 g and K-S2 weighs 678 g, so the EOS R7 is 66 g lighter.

Do the EOS R7 and K-S2 record 4K video?

EOS R7: 4K up to 60p. K-S2: 4K up to 60p.

Are the EOS R7 and K-S2 weather sealed?

EOS R7: Yes. K-S2: Yes.

Which has better battery life?

Rated battery life is 660 shots (CIPA) for the EOS R7 and 640 shots for the K-S2, giving the EOS R7 the edge.

How much does each cost?

EOS R7 launched at $1,499 and K-S2 at $799. The K-S2 is $700 less.

Can't decide between two? Compare a third camera.

Add any camera to get a three-way EOS R7 vs K-S2 vs X comparison.

Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.