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General Data
Camera ThumbnailPentax K-S1Pentax K-500Pentax K-r
Camera NamePentax K-S1Pentax K-500Pentax K-r
Year Introduced201420132010
AvailabilityDiscontinued (2016)Discontinued (2014)Discontinued (2011)
Current Price$399

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In-Depth ReviewPentax K-S1 reviewPentax K-500 reviewPentax K-r review
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Sensor
Sensor FormatAPS-CAPS-CAPS-C
Sensor TypeCMOSCMOSCMOS
Megapixels20.1216.2812.4
Resolution3648 x 5472 pixels3264 x 4928 pixels2848 x 4288 pixels
AA FilterNo (AA filter simulator)YesYes
Super ResolutionNoNoNo
Bit Depth121212
Minimum ISO100100100
Maximum ISO512005120025600
ISO Range100 - 51,200100 - 51,200200 - 12800 (100 - 25600)
Imaging
ProcessorPRIME M IIPRIME MPRIME
Exposure ModesAuto Picture, Scene, EFFECT, P, Sv, Av, Tv, TAv, M, BAuto (green), Scene, HyP, Sv, Av, Tv, TAv, M, BAuto Picture, Scene, P, Sv, Av, Tv, M, B
Program ModesNormalNormalNormal, Portrait, Landscape, Macro, Action, Night-scene Portrait, Flash Off
Scene Modes20: Standard, Portrait, Landscape, Macro, Moving Object, Night Scene Portrait, Sunset, Blue Sky, Forest, Night Scene, Night Scene HDR (JPG only), Night Snap, Food, Pet, Kids, Surf & Snow, Backlight Silhouette, Candlelight, Stage Lighting, Museum19: Portrait, Landscape, Macro, Moving Object, Night Scene Portrait, Sunset, Blue Sky, Forest, Night Scene, Night Scene HDR (JPG only), Night Snap, Food, Pet, Kids, Surf & Snow, Backlight Silhouette, Candlelight, Stage Lighting, Museum11: Night Scene, Surf and Snow, Food, Sunset, Stage Lighting, Night Snap, Night Scene HDR, Kids, Pet, Candlelight, Museum
RestrictionsExposure modes with M and K lenses are restricted to Av (with aperture always wide open) and M (with stop-down metering)Exposure modes with M and K lenses are restricted to Av (with aperture always wide open) and M (with stop-down metering)Exposure modes with M and K lenses are restricted to Av (with aperture always wide open) and M (with stop-down metering)
Shutter Speeds (Auto)30s - 1/6000s (stepless)30s - 1/6000s (stepless)30s - 1/6000s (stepless)
Shutter Speeds (Manual)B, 30s - 1/6000s, Up to 300s in Astrotracer modeB, 30s - 1/6000s. Up to 300s in Astrotracer modeB, 30s - 1/6000s
High ISO NROff, Auto, Low/Medium/High, Custom by ISOOff, Auto, Low/Medium/High, Custom by ISOOff, Auto, Low/Medium/High, Custom by ISO
Slow Shutter NROff, Auto, OnOff, Auto, OnOff, Auto, On
Shutter LifeNot SpecifiedNot Specified100,000
Maximum FPS5.466
Continuous ShootingHi: 5.4 fps up to 20 frames (JPG), 5 frames (RAW) Lo: 3 fps up to 100 frames (JPG), 8 frames (RAW)Hi: 6 fps up to 30 frames (JPG), 8 frames (RAW) Lo: 3 fps until card is full (JPG), 10 frames (RAW)Hi: 6 fps (25 JPG, 12 RAW), Lo: 2 fps (unlimited JPG, 36 RAW)
Exposure Compensation+/-5 EV+/-5 EV (+/-2 EV in movie mode)+/-3 EV
Auto Bracketing3 frames, one-push bracketing3 frames, one-push bracketing3 frames
Expanded Dynamic RangeHighlight (auto, on, off),
Shadow (auto, high, medium, low, off)
Highlight (auto, on, off),
Shadow (auto, high, medium, low, off)
Highlight (on, off),
Shadow (high, medium, low, off)
Metering Sensor77-Segment77-Segment16-Segment
Meter Range0 to 22 EV0 to 22 EV1 to 21.5 EV
Meter PatternMulti-Segment,Center Weighted,SpotMulti-Segment,Center Weighted,SpotMulti-Segment,Center Weighted,Spot
Exposure LockYesYesYes
Self Timer2 s with mirror lock-up, 12 s2 s with mirror lock-up, 12 s2 s with mirror lock-up, 12 s
Interval ShootingNoUp to 999 frames, up to 24 hours between framesUp to 999 frames, up to 24 hours between frames
Mirror Lock-upYesYesYes
HDR ModeYesYesYes
Multiple ExposuresNoYes, average and additive, 2 to 9 shotsYes, average and additive, 2 to 9 shots
Pixel MappingYesYesYes
Optics/Mount
MountKAF2 (no aperture coupler)KAF2 (no aperture coupler)KAF2 (no aperture coupler)
Composition AdjustmentNoNoNo
Supported LensesAll Pentax K-mount lenses. Support for lenses with the KAF4 mount variant requires a firmware update. Manual focus only with K-, M-, and A-series lenses. Stop down metering only with K- and M-series lenses. M42, Pentax 645 and Pentax 6x7 lenses with the appropriate adapters (stop down metering and manual focus only).All Pentax K-mount lenses except for lenses with the KAF4 mount variant. Manual focus only with K-, M-, and A-series lenses. Stop down metering only with K- and M-series lenses. M42, Pentax 645 and Pentax 6x7 lenses with the appropriate adapters (stop down metering and manual focus only).All Pentax K-mount lenses except for lenses with the KAF4 mount variant. Manual focus only with K-, M-, and A-series lenses. Stop down metering only with K- and M-series lenses. M42, Pentax 645 and Pentax 6x7 lenses with the appropriate adapters (stop down metering and manual focus only).
StabilizationYes (sensor-shift SR)Yes (sensor-shift SR)Yes (sensor-shift SR)
Autofocus (viewfinder)Yes (SAFOX IXi+, 11 focus points (9 cross type))Yes (SAFOX IXi+, 11 focus points (9 cross type), diffraction lens, wavelength sensor)Yes (SAFOX IX, 11 focus points)
AF Points111111
Autofocus Sensitivity-1 to 18 EV-1 to 18 EV-1 to 18 EV
Autofocus With SDMYesYesYes
Autofocus AssistDedicated LEDDedicated LEDDedicated LED
Autofocus ModesViewfinder: AF.S, AF.C, AF.A.
Live view: Face detection, Tracking, Multiple AF points, Select, Spot
AF.A (auto) AF.S (single, w focus lock, focus/shutter priority selectable) AF.C (continuous, w focus/FPS priority selectable) ManualSingle Shot, Continuous, Auto
Front/Back Focus CorrYes (adjustments for up to 20 lenses)Yes (adjustments for up to 20 lenses)Yes, one adjustment
Power ZoomNot supportedNot supportedNot supported
Lens CorrectionDistortion,Lateral Chromatic Aberration,Vignetting,DiffractionDistortion,Lateral Chromatic AberrationDistortion,Lateral Chromatic Aberration
Video
Video/Movie Mode1920x1080 (16:9 Full HD) at 30p, 25p, 24p
1280x720 (16:9) at 60p, 50p
MPEG4 AVC/H.264
1920x1080 (16:9 Full HD) at 30, 25, and 24 fps,
1280x720 (16:9) at 60, 50, 30, 25, and 24 fps,
640x480 (4:3) at 30, 25, and 24 fps,
MPEG4 AVC/H.264,
Interval movie
1280x720p / 25fps (16:9),
640x480p / 25 fps (4:3)
Video StabilizationElectronicElectronicSensor-shift SR
Exposure ModesP, Av and MP, Av and M exposure control
Movie Mode RestrictionsIn Av and M mode: Aperture must be set prior to shooting (unless using a lens with manual aperture setting)In Av and M mode: Aperture must be set prior to shooting (unless using a lens with manual aperture setting)The aperture is fixed during recording
AF During RecordingNoNoNo
Sound In Movie ModeStereoMono Adjustable sound levelMono (built-in mic) No provision for external mic
Flash
Built-in FlashYes, GN 10 (ISO 100/m)Yes, GN 12 (ISO 100/m)Yes, GN 12 (ISO 100/m)
Sync Speed1/180s1/180s1/180s
P-TTL FlashYesYesYes
TTL FlashNoNoNo
Flash Exposure Comp-2 to 1 EV-2 to 1 EV-2 to 1 EV
Flash FunctionsAuto discharge, On (leading curtain sync), Redeye reduction, Slow-speed sync, Trailing curtain sync, High-speed sync*, Manual, Wireless*, Contrast control* * Available when combined with external flashAuto discharge, On (leading curtain sync), Redeye reduction, Slow-speed sync, Trailing curtain sync, High-speed sync*, Manual*, Wireless*, Contrast control* * Available when combined with external flashAuto discharge, On (leading curtain sync), Redeye reduction, Slow-speed sync, Trailing curtain sync, High-speed sync*, Manual*, Wireless*, Contrast control* * Available when combined with external flash
Viewfinder/LCD
Viewfinder0.95x, 100%0.92x, 100%0.85x, 96%
Viewfinder TypePentaprismPentaprismPentamirror
Diopter Adjustment-2.5 to +1.5-2.5 to +1.5-2.5 to +1.5
AF Points In ViewfinderYesNoYes
Exchangeable ScreenYesYesNo
Depth Of Field PreviewYesYesYes
Digital PreviewYes (with image magnificaion)Yes (with image magnificaion)Yes (with image magnificaion)
Live ViewYesYesYes
Focus PeakingYesYesNo
Back LCD3 in. 921,000 dots, 3:23 in. 921,000 pix3 in. 921,000 pix
Top LCDNoNoNo
Body
Weather ResistantNoNoNo
GPSVia AccessoryVia AccessoryVia Accessory
Control Wheels121
Camera Controls1 control wheel. Most functions accessed through control panel or menus2 control wheels Several dedicated buttons Control panel Two user mode settings1 control wheel. Most functions accessed through control panel or menus
Dust RemovalYes, Sensor Shake DRYes, Sensor Shake DRYes, Sensor Shake DR
Dust AlertNoNoYes
File FormatPEF (RAW),DNG (RAW),JPG,MOVDNG (RAW),JPG,MOVPEF (RAW),DNG (RAW),JPG,AVI
Card Slots111
Memory Card TypeSD, SDHC, SDXC (UHS-1 compliant), Eye-Fi, FLU cardSD, SDHC, SDXC, Eye-FiSD, SDHC (max. 32GB), SDXC via firmware update
TetheringVia O-FC1 FLUcardNoneWired (unofficial)
Battery

D-LI109 lithium-ion rechargeable

D-LI109 lithium-ion rechargeable or 4 x AA batteries with battery holder D-BH109

D-LI109 lithium-ion rechargeable or 4 x AA with optional battery holder D-BH109

Battery Grip

No

No

No

Battery Life480 images with Li-Ion battery (no flash use) 410 images with Li-Ion battery (50% flash use)480 images with Li-Ion battery (no flash use), 1250 images with AA lithium (no flash use)560 images with Li-Ion battery (no flash use)
1600 images with AA lithium (no flash use)
Size (W X H X D)120 x 92.5 x 69.5 mm 4.72 x 3.65 x 2.75 in.129 x 96.5 x 70 mm (5.1 x 3.8 x 2.8 in.)125 x 97 x 68 mm
Weight558 g (19.7 oz) with battery650 g (23 oz)544 g (598 g with Li-Ion battery and SD card)
ConnectivityUSB 2.0, HDMI outUSB 2.0, AV out, cable releaseUSB 2.0, AV out, Infrared in/out
Latest Firmware

Link to Download Page

Link to Download Page

Version 1.15

NotesAstrotracer compatible,
Embed copyright information in EXIF,
High ISO NR can be customized for each major ISO value,
In-camera RAW development,
Image plane indicator
In USA sold with battery holder for 4 x AA batteries.
In Europe sold with Li-ion rechargeable battery and charger.
Astrotracer compatible,
Embed copyright information in EXIF,
High ISO NR can be customized for each major ISO value,
In-camera RAW development,
Image plane indicator,
Multilayer digital filters,
Save last JPG as RAW,
The RAW button is customizable and can perform a variety of functions, hereunder exposure bracketing
Astrotracer compatible (requires firmware update),
Embed copyright information in EXIF,
High ISO NR can be customized for each major ISO value,
Image plane indicator,
In-camera RAW development,
IrSimple high-speed infrared data transmission,
Save last JPG as RAW.




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