Pentax K-50 vs. Pentax K-S1

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2 cameras compared
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Aug 25, 2014
Jun 12, 2013
Aug 27, 2014
 
Body only: $599/£529; body with 18-55mm WR lens: $779/£599; body with 18-55mm and 50-200m WR lenses: $879
$749 / £549 (body only), $799 / £599 (with 18-55mm lens)
 
Compact SLR
Mid-size SLR
Reinforced polycarbonate over stainless steel chassis
Composite
 
4928 x 3264
5472 x 3648
4224 x 2816, 3456 x 2304, 2688 x 1792
4224 x 2816, 3456 x 2304, 3072 x 2448, 1920 x 1080
3:2
3:2
16 megapixels
20 megapixels
17 megapixels
20 megapixels
APS-C (23.7 x 15.7 mm)
APS-C (23.5 x 15.6 mm)
CMOS
CMOS
PRIME M
Prime MII
sRGB, AdobeRGB
sRGB, AdobeRGB
Primary color filter
Primary color filter
 
Auto, 100 to 51600, in 1, 1/2, 1/3 EV steps
Auto, 100 - 51200
9
9
Yes (3)
Yes
Sensor-shift
Sensor-shift
 
3-axis
RAW
RAW
Good, Better, Best
Good, Better, Best
  • RAW (DNG)
  • JPEG (EXIF 2.3)
  • DCF 2.0 compliant
  • DPOF
  • PIM III
  • JPEG (Exif v2.3, DCF 2.0 compliant)
  • Raw (PEF/DNG)
 
  • Contrast Detect (sensor)
  • Phase Detect
  • Multi-area
  • Center
  • Tracking
  • Single
  • Continuous
  • Face Detection
  • Live View
  • Contrast Detect (sensor)
  • Phase Detect
  • Multi-area
  • Center
  • Selective single-point
  • Tracking
  • Single
  • Continuous
  • Face Detection
  • Live View
 
Yes
No
No
Yes
Yes
11
11
Pentax KAF2
Pentax KAF2
1.5×
1.5×
 
Fixed
Fixed
3
3
921,000
921,000
No
No
TFT LCD monitor with brightness/color adjustment and AR coating
TFT-LCD
Yes
Yes
Optical (pentaprism)
Optical (pentaprism)
100%
100%
0.92× (0.61× 35mm equiv.)
0.95× (0.63× 35mm equiv.)
 
30 sec
30 sec
1/6000 sec
1/6000 sec
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
  • Hyper Program (P)
  • Sensitivity Priority (Sv)
  • Shutter Priority (Tv)
  • Aperture Priority (Av)
  • Shutter & Aperture Priority (TAv)
  • Hyper Manual (M)
  • Bulb (B)
  • User (U1, U2)
  • Scene (SCN)
  • Auto Picture (AUTO)
  • Movie
  • Program
  • Sensitivity Priority
  • Shutter Priority
  • Aperture Priority
  • Shutter & Aperture Priority
  • Manual
  • Bulb
  • Portrait
  • Landscape
  • Macro
  • Moving Object
  • Night Scene Portrait
  • Sunset
  • Blue Sky
  • Forest
  • Night Scene
  • Night Scene HDR (JPG)
  • Night Snap
  • Food
  • Pet
  • Kids
  • Surf & Snow
  • Backlight Silhouette
  • Candlelight
  • Stage Lighting
  • Museum
  • Portrait
  • Landscape
  • Macro
  • Moving Object
  • Night Scene Portrait
  • Sunset
  • Blue Sky
  • Forest
  • Night Scene
  • Night Scene HDR
  • Night Snap
  • Food
  • Pet
  • Kids
  • Surf & Snow
  • Backlight Silhouette
  • Candlelight
  • Stage Lighting
  • Museum
Yes (Pop-up)
Yes (Pop-up)
12.00 m (at ISO 100)
10.00 m (at ISO 100)
Yes (Hot-shoe, Wireless)
Yes (via hot shoe)
Auto, On, Off, Red-eye, Slow Sync, Slow Sync+Redeye, Trailing Curtain Sync, Wireless
Auto, auto + redeye, on, on + redeye reduction, slow sync, trailing curtain sync, manual
1/180 sec
1/180 sec
  • Single
  • Continuous (Hi, Lo)
  • Self-Timer (12s, 2s)
  • Remote (0s, 3s, continuous)
  • Auto Bracketing (3 frames, standard, timer, remote)
  • Single
  • Continuous (Hi, Lo)
  • Self-Timer
  • Remote
  • Exposure bracketing
6.0 fps
5.4 fps
Yes ( 2 or 12 seconds)
Yes ( 2 or 12 seconds)
  • Multi
  • Center-weighted
  • Spot
  • Multi
  • Center-weighted
  • Spot
±5 (at 1/3 EV, 1/2 EV steps)
±5 (at 1/3 EV, 1/2 EV steps)
±3 (3 frames at 1 EV steps)
±3 (3 frames at 1/3 EV, 1/2 EV steps)
No
No
 
1920 x 1080 (30,25,24 fps), 1280 x 720 (60,50,30,25,24 fps), 640 x 424 (30,25,24 fps)
1920 x 1080 (30,25,24 fps), 1280 x 720 (60,50 fps)
MPEG-4, H.264
H.264
Mono
Stereo
Mono
Mono
 
SD/SDHC/SDXC
SD/SDHC/SDXC
 
USB 2.0 (480 Mbit/sec)
USB 2.0 (480 Mbit/sec)
No
Yes (micro-HDMI)
 
No
 
No
Eye-Fi Connected
Eye-Fi Connected
Yes (optional, wired or wireless)
Yes (via optional wireless remote)
 
Yes (Weather and dust resistant)
No
Battery Pack
Battery Pack
D-LI109 lithium-ion rechargeable (4 x AA with optional adapter)
D-LI109 lithium-ion battery and charger
410
410
650 g (1.43 lb / 22.93 oz)
558 g (1.23 lb / 19.68 oz)
130 x 97 x 71 mm (5.12 x 3.82 x 2.8)
121 x 93 x 70 mm (4.76 x 3.66 x 2.76)
 
Yes
Yes
Yes (999 shots, 3 sec to 24 hr interval, time delay)
 
Optional
Optional
O-GPS1
O-GPS-1