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Compare Pentax K-3 Mark III vs Pentax K-S1 vs Pentax Q-S1

Connectivity

Ports
HDMI + Headphone + Microphone + Remote Control + USB 3.2 Gen 1
HDMI + Remote Control + USB 2.0
HDMI + Remote Control + USB 2.0
Wireless Connectivity
802.11b/g/n + Bluetooth

Construction

Form Factor
DSLR camera
DSLR camera
Mirrorless camera
Image Size
APS-C (23 x 15.5 mm)
APS-C (23.5 x 15.6 mm)
1/1.7" (7.44 x 5.58 mm)
Lens Mount
Pentax K-mount
Pentax K-mount
Pentax Q-mount
Microphone
Stereo
Stereo
Mono
Sensor | Resolution
26 MP (6192 x 4128)
20 MP (5472 x 3648)
12 MP (4000 x 3000)
Sensor | Type
CMOS
CMOS
BSI-CMOS
Speakers
Mono
Mono
Mono

Dimensions

Size | Depth
74 mm / 2.91 in
70 mm / 2.76 in
34 mm / 1.34 in
Size | Height
104 mm / 4.09 in
93 mm / 3.66 in
58 mm / 2.28 in
Size | Width
135 mm / 5.31 in
121 mm / 4.76 in
105 mm / 4.13 in
Weight
820 g / 28.98 oz
558 g / 19.72 oz
203 g / 7.17 oz

Display

Display Diagonal
3.2 inch
3 inch
3 inch
Display Type
Fixed TFT LCD
Fixed TFT-LCD
Fixed TFT-LCD
Resolution
1,620,000 dots
921,000 dots
460,000 dots
Viewfinder | Coverage
100%
100%
Viewfinder | Magnification
1.05x
0.95x
Viewfinder | Type
Optical (pentaprism)
Optical (pentaprism)
None

Function

AE Bracketing
±5 (2, 3, 5 frames at 1/3 EV, 1/2 EV steps)
±3 (3 frames at 1/3 EV, 1/2 EV steps)
±3 (3 frames )
Autofocus
101 focus points (25 cross type)
11 focus points
Crop Factor
1.5
1.5
Exposure Compensation
±5 (at 1/3 EV, 1/2 EV steps)
±5 (at 1/3 EV, 1/2 EV steps)
±3 (at 1/3 EV steps)
Exposure Mode
Auto / Aperture Priority / Shutter Priority / Manual
Auto / Aperture Priority / Shutter Priority / Manual
Auto / Aperture Priority / Shutter Priority / Manual
Flash
Built-in
Built-in
GPS
No
Optional O-GPS-1
No
ISO Range
(100 ~ 1600000)
100 ~ 51200
100 ~ 12800
Image Stabilization
5.5 stops
3-axis
Intervalometer
Yes
Yes
Processor
PRIME V
Prime MII
Q Engine
Touch Screen
Yes
No
No
Video Codecs
MPEG-4, H.264
H.264
MPEG-4, H.264
Weather Resistance
Yes
No
No

Performance

Battery Life
800 shots
410 shots
250 shots
Flash Range
10.00 m
4.90 m
Max Burst Rate
12.0 fps
5.4 fps
5.0 fps
Storage
Dual SD/SDHC/SDXC slots (UHS-II supported in slot 1)
SD/SDHC/SDXC
SD/SDHC/SDXC card

Production

Battery
D-LI90
D-LI109 lithium-ion battery and charger
D-LI68 lithium-ion battery & charger
Debut
2021-03-30
2014-08-27
2014-08-04

Reviews

Neofiliac score
69%
50%
43%
Pros
  • Exceptional battery life
  • 5.5 stops of IBIS
  • Good 12.0 fps burst rate
  • Weather-sealed
  • Viewfinder with great 1.05x magnification
  • Supports both WiFi and Bluetooth
  • Rather compact
  • Exceptionally compact
  • Very light
Cons
  • Quite heavy
  • Menu not touch-enabled
  • Low 5.4 fps burst rate
  • Low 20 MP resolution
  • Lacks weather sealing
  • Tacky design
  • Menu not touch-enabled
  • Poor battery life
  • Very low 5.0 fps burst rate
  • Very low 12 MP resolution
  • Lacks weather sealing
  • Not a serious system

Price

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