Compare Pentax K-3 Mark III vs Pentax K-S1
Connectivity
Ports
HDMI + Headphone + Microphone + Remote Control + USB 3.2 Gen 1
HDMI + Remote Control + USB 2.0
Wireless Connectivity
802.11b/g/n + Bluetooth
Construction
Form Factor
DSLR camera
DSLR camera
Image Size
APS-C (23 x 15.5 mm)
APS-C (23.5 x 15.6 mm)
Lens Mount
Pentax K-mount
Pentax K-mount
Microphone
Stereo
Stereo
Sensor | Resolution
26 MP (6192 x 4128)
20 MP (5472 x 3648)
Sensor | Type
CMOS
CMOS
Speakers
Mono
Mono
Dimensions
Size | Depth
74 mm / 2.91 in
70 mm / 2.76 in
Size | Height
104 mm / 4.09 in
93 mm / 3.66 in
Size | Width
135 mm / 5.31 in
121 mm / 4.76 in
Weight
820 g / 28.98 oz
558 g / 19.72 oz
Display
Display Diagonal
3.2 inch
3 inch
Display Type
Fixed TFT LCD
Fixed TFT-LCD
Resolution
1,620,000 dots
921,000 dots
Viewfinder | Coverage
100%
100%
Viewfinder | Magnification
1.05x
0.95x
Viewfinder | Type
Optical (pentaprism)
Optical (pentaprism)
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)
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)
Exposure Mode
Auto / Aperture Priority / Shutter Priority / Manual
Auto / Aperture Priority / Shutter Priority / Manual
Flash
Built-in
GPS
No
Optional O-GPS-1
ISO Range
(100 ~ 1600000)
100 ~ 51200
Image Stabilization
5.5 stops
3-axis
Intervalometer
Yes
Processor
PRIME V
Prime MII
Touch Screen
Yes
No
Video Codecs
MPEG-4, H.264
H.264
Weather Resistance
Yes
No
Performance
Battery Life
800 shots
410 shots
Flash Range
10.00 m
Max Burst Rate
12.0 fps
5.4 fps
Storage
Dual SD/SDHC/SDXC slots (UHS-II supported in slot 1)
SD/SDHC/SDXC
Production
Battery
D-LI90
D-LI109 lithium-ion battery and charger
Debut
2021-03-30
2014-08-27
Reviews
Neofiliac score
69%
50%
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
Cons
- Quite heavy
- Menu not touch-enabled
- Low 5.4 fps burst rate
- Low 20 MP resolution
- Lacks weather sealing
- Tacky design
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