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Pentax Camera Comparison
General Data
Camera ThumbnailPentax K-S2Pentax K-70Pentax K-3 IIPentax K-3
Camera NamePentax K-S2Pentax K-70Pentax K-3 IIPentax K-3
Year Introduced2015201620152013
AvailabilityDiscontinuedDiscontinuedDiscontinued (2019)Discontinued (2016)
Current PriceFind on eBay | PF Marketplace$649

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In-Depth ReviewPentax K-S2 reviewPentax K-70 reviewPentax K-3 II reviewPentax K-3 review
User ReviewsBrowseBrowseBrowseBrowse
Sensor
Sensor FormatAPS-CAPS-CAPS-CAPS-C
Sensor TypeCMOSCMOSCMOSCMOS
Megapixels20.1224.2424.3524.35
Resolution3648 x 5472 pixels4000 x 6000 pixels4000 x 6016 pixels4000 x 6016 pixels
AA FilterNo (AA filter simulator)No (AA filter simulator)No (AA filter simulator)No (AA filter simulator)
Super ResolutionNoYesYesNo
Bit Depth12141414
Minimum ISO100100100100
Maximum ISO512001024005120051200
ISO Range100 - 51,200100 - 102,400100 - 51,200100 - 51,200
Imaging
ProcessorPRIME M IIPRIME M IIPRIME IIIPRIME III
Exposure ModesAuto Picture, Scene, Advanced HDR, P, Sv, Av, Tv, TAv, M, B, User(2)Auto (green), Scene, HyP, Sv, Av, Tv, TAv, HyM, B, User(3)Auto (green), HyP, Sv, Av, Tv, TAv, HyM, X, B, User(3)Green, HyP, Sv, Av, Tv, TAv, HyM, X, B, User(3)
Program ModesNormalNormalAuto, Normal, Action, Depth of Field (deep/shallow), MTF priorityAuto, Normal, Action, Depth of field (deep/shallow), MTF
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, Museum20: 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, MuseumNoneNone
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)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 - 1/8000s (stepless)30s - 1/8000s (stepless)
Shutter Speeds (Manual)B, 30s - 1/6000s, up to 300s in Astrotracer modeB, 30s - 1/6000s, Up to 20 minutes in Timed Bulb mode. Up to 300s in Astrotracer modeB, 30s - 1/8000s. Up to 300s in Astrotracer modeB, 30s - 1/8000s. Up to 300s in Astrotracer mode
High ISO NROff, Auto, Low/Medium/High, Custom by ISOOff, 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, OnOff, Auto, On
Shutter LifeNot SpecifiedNot Specified200,000200,000
Maximum FPS5.468.38.3
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 40 frames (JPG), 10 frames (RAW), Lo: 3 fps up to 100 frames (JPEG), 16 frames (RAW)Hi: 8.3 fps up to approx. 60 frames (JPG), up to approx. 23 frames (RAW), M: 4.5 fps up to approx 100 frames (JPG), 32 frames (RAW), Lo: 3 fps uup to approx. 200 frames (JPG), up to appox. 52 frames (RAW)Hi: 8.3 fps up to approx. 60 frames (JPG), up to approx. 23 frames (RAW), M: 4.5 fps up to approx 100 frames (JPG), 32 frames (RAW), Lo: 3 fps uup to approx. 200 frames (JPG), up to appox. 52 frames (RAW)
Exposure Compensation+/-5 EV (+/-2 EV in movie mode)+/-5 EV (+/-2 EV in movie mode)+/-5 EV (+/-2 EV in movie mode)+/-5 EV (+/-2 EV in movie mode)
Auto BracketingExposure (3 frames), one-push EV bracketingExposure (2, 3 or 5 frames), one-push EV bracketing, AA filter (3 frames)Exposure (2, 3 or 5 frames), one-push EV bracketing, AA filter (3 frames)Exposure (2, 3 or 5 frames), one-push EV bracketing
Expanded Dynamic RangeHighlight (auto, on, off),
Shadow (auto, high, medium, low, off)
Highlight (auto, on, off),
Shadow (auto, high, medium, low, off)
Highlight (auto, on, off),
Shadow (auto, high, medium, low, off)
Highlight (auto, on, off),
Shadow (auto, high, medium, low, off)
Metering Sensor77-Segment77-Segment86K Pixel86K Pixel
Meter Range0 to 22 EV0 to 22 EV-3 to 20 EV-3 to 20 EV
Meter PatternMulti-Segment,Center Weighted,SpotMulti-Segment,Center Weighted,SpotMulti-Segment,Center Weighted,SpotMulti-Segment,Center Weighted,Spot
Exposure LockYesYesYesYes
Self Timer2 s with mirror lock-up, 12 s2 s with mirror lock-up, 12 s2 s with mirror lock-up, 12 s2 s with mirror lock-up, 12 s
Interval ShootingUp to 2000 frames, 2 sec to 24 hours intervalUp to 2000 frames, 2 sec to 24 hours intervalUp to 2000 frames, 2 sec to 24 hours intervalUp to 2000 frames, 2 sec to 24 hours interval
Mirror Lock-upYesYesYesYes
HDR ModeYesYesYesYes
Multiple ExposuresYes, average, additive and bright, 2 to 2000 shotsYes, average, additive and bright, 2 to 2000 shotsYes, average, additive and bright, 2 to 2000 shotsYes, average, additive and bright, 2 to 2000 shots
Pixel MappingYesYesYesYes
Optics/Mount
MountKAF2 (no aperture coupler)KAF2 (no aperture coupler)KAF2 (no aperture coupler)KAF2 (no aperture coupler)
Composition AdjustmentNoNoYesYes
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. 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: green button stop down metering and manual focus only.All 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. 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)Yes (sensor-shift SR)
Autofocus (viewfinder)Yes (SAFOX X, 11 focus points (9 cross type))Yes (SAFOX X, 11 focus points (9 cross type))Yes (SAFOX 11, 27 focus points (25 cross type))Yes (SAFOX 11, 27 focus points (25 cross type))
AF Points11112727
Autofocus Sensitivity-3 to 18 EV-3 to 18 EV-3 to 18 EV-3 to 18 EV
Autofocus With SDMYesYesYesYes
Autofocus AssistDedicated LEDDedicated LEDDedicated LEDDedicated LED
Autofocus ModesViewfinder: AF.S, AF.C, AF.A.
Live view: Face detection, Tracking, Multiple AF points, Select, Spot
Viewfinder: AF.S, AF.C, AF.A.
Live view: Face detection, Tracking, Multiple AF points, Select, Spot
Single Shot, Continuous, Auto, Expanded area (S, M, L), Zone select, User select, Manual focusSingle Shot, Continuous, Auto, Expanded area (S, M, L), Zone select, User select, Manual focus
Front/Back Focus CorrYes (adjustments for up to 20 lenses)Yes (adjustments for up to 20 lenses)Yes (adjustment for up to 20 lenses)Yes (adjustment for up to 20 lenses)
Power ZoomNot supportedNot supportedSupported (zoom only)Supported (zoom only)
Lens CorrectionDistortion,Lateral Chromatic Aberration,Vignetting,DiffractionDistortion,Lateral Chromatic Aberration,Vignetting,DiffractionDistortion,Lateral Chromatic Aberration,Vignetting,DiffractionDistortion,Lateral Chromatic Aberration,Vignetting,Diffraction
Video
Video/Movie Mode1920x1080 (16:9 Full HD) at 30p, 25p, 24p
1280x720 (16:9) at 60p, 50p
MPEG4 AVC/H.264
Interval Movie
Star Stream
1920x1080 (16:9 Full HD) at 60i, 50i, 30p, 25p and 24p,
1280x720 (16:9) at 60p, 50p
MPEG4 AVC/H.264
Interval Movie (4K, Full HD, HD)
Star Stream
1920x1080 (16:9 Full HD) at 60i, 50i, 30p, 25p and 24p fps,
1280x720 (16:9) at 60p, 50p, 30p, 25p and 24p fps,
MPEG4 AVC/H.264,
Interval Movie (4K, Full HD, HD)
1920x1080 (16:9 Full HD) at 60, 30, 25 and 24 fps,
1280x720 (16:9) at 60, 30, 25 and 24 fps,
MPEG4 AVC/H.264
Interval Movie (4K, Full HD, HD)
Video StabilizationElectronicElectronicElectronicElectronic
Exposure ModesP, Av, TAv, MP, Av, TAv, Tv, MP, Av, TAv, Tv, MP, Av, TAv, M
Movie Mode RestrictionsClips up to 4GB or 25 minutesClips up to 4 GB / 25 minutes
AF During RecordingNoContinuous (with compatible lenses) and On-demandOn-DemandOn-Demand
Sound In Movie ModeStereo (external mic), Stereo (built-in mic). Adjustable sound levelStereo (external mic), Stereo (built-in mic). Adjustable sound levelStereo (external mic), Mono (built-in mic). Adjustable sound levelStereo (external mic), Mono (built-in mic). Adjustable sound level
Flash
Built-in FlashYes, GN 12 (ISO 100/m)Yes, GN 12 (ISO 100/m)NoYes, GN 13 (ISO 100/m)
Sync Speed1/180s1/180s1/180s1/180s
P-TTL FlashYesYesYesYes
TTL FlashNoNoNoNo
Flash Exposure Comp-2 to 1 EV-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 flash
Auto 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
Auto discharge*, On (leading curtain sync)*, Redeye reduction*, Slow-speed sync*, Trailing curtain sync*, High-speed sync*, Manual*, Wireless**, Contrast control**
* Requires an external flash
** Requires two (or more) external flashes
Auto 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%0.95x, 100%0.95x, 100%0.95x, 100%
Viewfinder TypePentaprismPentaprismPentaprismPentaprism
Diopter Adjustment-2.5 to +1.5-2.5 to +1.5-2.5 to +1.5-2.5 to +1.5
AF Points In ViewfinderYesYesYesYes
Exchangeable ScreenYesYesYesYes
Depth Of Field PreviewYesYesYesYes
Digital PreviewYes (with image magnificaion)Yes (with image magnificaion)Yes (with image magnificaion)Yes (with image magnificaion)
Live ViewYesYesYesYes
Focus PeakingYesYesYesYes
Back LCD3 in. 921,000 dots, 3:2 aspect ratio, vari-angle3 in. 921,000 dots, 3:2 aspect ratio, vari-angle, red light night mode3.2 in., 1,037,000 dots, 3:2 aspect ratio3.2 in., 1,037,000 dots, 3:2 aspect ratio
Top LCDNoNoYesYes
Body
Weather ResistantYesYesYesYes
GPSVia AccessoryVia AccessoryBuilt-InVia Accessory
Control Wheels2222
Camera Controls2 control wheels. Most functions accessed through control panel or menus2 control wheels. Most functions accessed through control panel or menus. Customizable control panel. Three user mode settings.2 control wheels. Many dedicated buttons. Control panel. Three user mode settings2 control wheels. Many dedicated buttons. Control panel. Three user mode settings
Dust RemovalYes, Sensor Shake DRYes, Sensor Shake DRYes, Ultrasonic DR IIYes, Ultrasonic DR II
Dust AlertNoNoYesYes
File FormatPEF (RAW),DNG (RAW),JPG,MOVPEF (RAW),DNG (RAW),JPG,MOVPEF (RAW),DNG (RAW),JPG,MOVPEF (RAW),DNG (RAW),JPG,MOV
Card Slots1122
Memory Card TypeSD, SDHC, SDXC (UHS-I Compatible)SD, SDHC, SDXC (UHS-I Compatible)SD, SDHC, SDXC (UHS-I Compatible), Eye-Fi, FlucardSD, SDHC, SDXC (UHS-I Compatible), Eye-Fi, Flucard
TetheringVia built-in Wi-FiVia built-in Wi-FiVia O-FC1 FLUcardVia O-FC1 FLUcard
Battery

D-LI109 lithium-ion rechargeable

D-LI109 lithium-ion rechargeable

D-LI90 lithium-ion rechargeable

D-LI90 lithium-ion rechargeable

Battery Grip

No

No

D-BG5 (takes D-LI90 or 6x AA)

D-BG5 (takes D-LI90 or 6x AA)

Battery Life480 images with Li-Ion battery (no flash use) 410 images with Li-Ion battery (50% flash use)480 frames (without flash)720 images Video playback time: 370 minutes720 images (560 images with 50% flash usage) Video playback time: 370 minutes
Size (W X H X D)122 x 91 x 72.5 mm 4.8 x 3.6 x 2.85 in.125.5 x 93 x 74 mm (4.9 x 3.7 x 2.9 in.)131.5 x 102.5 x 77.5 mm131.5 x 100 x 77.5 mm
Weight618 g (678 g / 23.9 oz with battery and SD card)628 g (688 g with battery and SD card)700 g (785 g with battery and SD card)715 g (800 g with battery and SD card)
ConnectivityUSB 2.0, HDMI out, Stereo mic, Wi-Fi and NFCUSB 2.0, HDMI out, Stereo mic, Wi-FiUSB 3, HDMI out, stereo mic, headphones, DC in, X-sync, cable releaseUSB 3, HDMI out, stereo mic, headphones, DC in, X-sync, cable release
Latest Firmware

Link to Download Page

Link to Download Page

Link to Download Page

Link to download page

NotesAstrotracer compatible,
Clarity enhancement,
Electronic level,
Embed copyright information in EXIF,
High ISO NR can be customized for each major ISO value,
In-camera RAW development,
Image plane indicator,
Moiré suppression via SR mechanism,
Moiré suppresion bracketing,
Prime MII image engine,
RAW button is customizable and can perform a variety of functions, hereunder exposure bracketing,
Save last JPG as RAW,
Save JPG from movie,
Wi-Fi button doubles as 2nd shutter button for selfies.
Astrotracer compatible,
Electronic Aperture Control,
Electronic Level,
Embed copyright information in EXIF,
High ISO NR can be customized for each major ISO value,
Image plane indicator,
In-camera RAW development,
Moiré suppression via SR mechanism,
Moiré suppression bracketing,
Multilayer digital filters,
Night vision LCD display,
Save last JPG as RAW,
The RAW button is customizable and can perform a variety of functions, hereunder exposure bracketing
Astrotracer functionality with the built in GPS,
Electronic level,
Embed copyright information in EXIF,
GPS and electronic compass,
High ISO NR, can be customized for each major ISO value,
Image plane indicator,
In-camera RAW development,
Moiré suppression via SR mechanism,
Moiré suppresion bracketing,
Save last JPG as RAW,
Save JPG from movie,
The RAW button is customizable and can perform a variety of functions, hereunder exposure bracketing.
Astrotracer compatible,
Diffraction correction requires firmware update,
Electronic level,
Embed copyright information in EXIF,
High ISO NR can be customized for each major ISO value,
Image plane indicator,
In-camera RAW development,
Moiré suppression via SR mechanism,
Moiré suppresion bracketing (with firmware update),
Save last JPG as RAW,
Save JPG from movie,
The RAW button is customizable and can perform a variety of functions, hereunder exposure bracketing
Colors / Special Editions

Black, Silver

Black, Limited Silver

Prestige, Silver





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