| Processor | PRIME II | PRIME III | PRIME IV w/accelerator unit |
| Exposure Modes | Green, HyP, Sv, Av, Tv, TAv, HyM, X, B, User(5) | Auto (green), HyP, Sv, Av, Tv, TAv, HyM, X, B, User(3) | Auto (green), HyP, Sv, Tv, Av, TAv, M, B, User (5) |
| Program Modes | Auto, Normal, Action, Depth of field (deep/shallow), MTF | Auto, Normal, Action, Depth of Field (deep/shallow), MTF priority | Auto, Normal, Action, Depth of Field (deep/shallow), MTF priority |
| Scene Modes | None | None | None. Auto (green) sets exposure based on scene analysis |
| Restrictions | 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 - 1/8000s (stepless) | 30s - 1/8000s (stepless) | 30s to 1/6,000s (mechanical), to 1/24,000s (electronic) |
| Shutter Speeds (Manual) | B, 30s - 1/8000s. Up to 300s in Astrotracer mode | B, 30s - 1/8000s. Up to 300s in Astrotracer mode | B, 30s to 1/6,000s (mechanical), to 1/24,000s (electronic). Up to 20 minutes in Timed Bulb. Up to 300s in Astrotracer mode |
| High ISO NR | Off, Auto, Low/Medium/High, Custom by ISO | Off, Auto, Low/Medium/High, Custom by ISO | Off, Auto, Low/Medium/High, Custom by ISO |
| Slow Shutter NR | Off, Auto, On | Off, Auto, On | Off, Auto, On |
| Shutter Life | 100,000 | 200,000 | 100,000 |
| Maximum FPS | 7 | 8.3 | 7 |
| Continuous Shooting | Hi: 7 fps up to approx. 34 frames (JPG), up to approx. 26 frames (PEF/DNG), Lo: 2 fps until card is full (JPG), up to appox. 40 frames (PEF/DNG) | 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: 7 fps up to approx. 28 frames (JPG), up to approx. 8 frames (RAW), M: 3 fps up to approx 70 frames (JPG), 15 frames (RAW), Lo: 0.8 fps up to approx. 100 frames (JPG), up to appox. 100 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) |
| Auto Bracketing | Exposure (2, 3 or 5 frames), one-push EV bracketing | Exposure (2, 3 or 5 frames), one-push EV bracketing, AA filter (3 frames) | Exposure (2, 3 or 5 frames), one-push EV bracketing, Depth of Field (3 frames), Motion (3 frames), AA filter (2 or 3 frames) |
| Expanded Dynamic Range | Highlight (on, off),
Shadow (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 Sensor | 77-Segment | 86K Pixel | 86K Pixel |
| Meter Range | 0 to 22 EV | -3 to 20 EV | -3 to 20 EV |
| Meter Pattern | Multi-Segment,Center Weighted,Spot | Multi-Segment,Center Weighted,Spot | Multi-Segment,Center Weighted,Spot |
| Exposure Lock | Yes | Yes | Yes |
| Self Timer | 2 s with mirror lock-up, 12 s | 2 s with mirror lock-up, 12 s | 2 s with mirror lock-up, 12 s |
| Interval Shooting | Up to 999 frames, up to 24 hours between frames | Up to 2000 frames, 2 sec to 24 hours interval | Up to 2000 frames, 2 sec to 24 hours interval |
| Mirror Lock-up | Yes | Yes | Yes |
| HDR Mode | Yes | Yes | Yes |
| Multiple Exposures | Yes, average and additive, 2 to 9 shots | Yes, average, additive and bright, 2 to 2000 shots | Yes, average, additive and bright, 2 to 2000 shots |
| Pixel Mapping | Yes | Yes | Yes |
| Mount | KAF2 (no aperture coupler) | KAF2 (no aperture coupler) | KAF2 (no aperture coupler) |
| Composition Adjustment | Yes | Yes | Yes |
| Supported Lenses | 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. 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. |
| Stabilization | Yes (sensor-shift SR) | Yes (sensor-shift SR) | Yes (sensor-shift SR II) |
| Autofocus (viewfinder) | 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 Points | 11 | 27 | 27 |
| Autofocus Sensitivity | -3 to 18 EV | -3 to 18 EV | -3 to 18 EV |
| Autofocus With SDM | Yes | Yes | Yes |
| Autofocus Assist | Dedicated LED | Dedicated LED | Dedicated LED |
| Autofocus Modes | Single Shot, Continuous, Select-area Expansion | Single Shot, Continuous, Auto, Expanded area (S, M, L), Zone select, User select, Manual focus | Viewfinder: AF.S, AF.C, AF.A
Live view: Face detection, Tracking, Multiple AF points, Select, Spot |
| Front/Back Focus Corr | Yes (adjustment for up to 20 lenses) | Yes (adjustment for up to 20 lenses) | Yes (adjustment for up to 20 lenses) |
| Power Zoom | Supported (zoom only) | Supported (zoom only) | Not supported |
| Lens Correction | Distortion,Lateral Chromatic Aberration | Distortion,Lateral Chromatic Aberration,Vignetting,Diffraction | Distortion,Lateral Chromatic Aberration,Vignetting,Diffraction |
| Video/Movie Mode | 1920x1080 (16:9 Full HD) at 25 fps,
1280x720 (16:9) at 30 or 25 fps,
640x480 (4:3) at 30 or 25 fps,
Motion JPEG (AVI) | 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 60i, 50i, 30p, 25p and 24p,
1280x720 (16:9 HD) at 60p, 50p
MPEG4 AVC/H.264
4K interval movie (4K,Full HD, HD)
Star stream (4K,Full HD, HD) |
| Video Stabilization | Sensor-shift SR | Electronic | Electronic |
| Exposure Modes | P (auto-aperture), Av | P, Av, TAv, Tv, M | P, Av, TAv, Tv, M |
| Movie Mode Restrictions | Av:The aperture can be set manually before recording and is fixed during recording | Clips up to 4 GB / 25 minutes | Clips up to 4GB or 25 minutes |
| AF During Recording | No | On-Demand | Continuous (with compatible lenses) and On-demand |
| Sound In Movie Mode | Stereo (external mic), Mono (built-in mic) | Stereo (external mic), Mono (built-in mic). Adjustable sound level | Stereo (external mic), Stereo (built-in mic). Adjustable sound level |
| Weather Resistant | Yes | Yes | Yes |
| GPS | Via Accessory | Built-In | Via Accessory |
| Control Wheels | 2 | 2 | 3 |
| Camera Controls | 2 control wheels Many dedicated buttons Control panel Five user mode settings | 2 control wheels. Many dedicated buttons. Control panel. Three user mode settings | 1 traditional e-dial, 1 knob on the front and 1 settings dial on top plate. Customizable control panel. Five user mode settings. Customizable Fx1, Fx2, & Fx3 button. |
| Dust Removal | Yes, Ultrasonic DR II | Yes, Ultrasonic DR II | Yes, Ultrasonic DR II |
| Dust Alert | Yes | Yes | No |
| File Format | PEF (RAW),DNG (RAW),JPG,AVI | PEF (RAW),DNG (RAW),JPG,MOV | PEF (RAW),DNG (RAW),JPG,MOV |
| Card Slots | 1 | 2 | 1 |
| Memory Card Type | SD, SDHC, SDXC | SD, SDHC, SDXC (UHS-I Compatible), Eye-Fi, Flucard | SD, SDHC, SDXC (UHS-I compatible) |
| Tethering | Wired (unofficial) | Via O-FC1 FLUcard | Via built-in Wi-Fi |
| Battery | D-LI90 lithium-ion rechargeable | D-LI90 lithium-ion rechargeable | D-LI109 lithium-ion rechargeable |
| Battery Grip | BG4 (takes D-LI90 or 6x AA)
| D-BG5 (takes D-LI90 or 6x AA)
| D-BG7 (takes one D-Li109 or one D-LI90 battery)
|
| Battery Life | 740 images (50% flash usage) Playback time: 440 minutes | 720 images Video playback time: 370 minutes | 420 photos (CIPA) |
| Size (W X H X D) | 130.5 x 96.5 x 72.5 mm | 131.5 x 102.5 x 77.5 mm | 131.5 x 101 x 76 mm |
| Weight | 660 g (740 g with battery and SD card) | 700 g (785 g with battery and SD card) | 643 g (body only), 703 g (with battery) |
| Connectivity | USB 2.0, AV out, HDMI out, 3.5mm stereo mic, DC in, X-sync, cable release | USB 3, HDMI out, stereo mic, headphones, DC in, X-sync, cable release | USB 2.0, HDMI out (via USB port and an adapter), stereo mic, cable release (uses mic input jack), DC in, GPS, Wi-Fi. |
| Latest Firmware | Version 1.07 | Link to Download Page | Link to download page |
| Notes | Astrotracer compatible,
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,
Save last JPG as RAW,
The RAW button is customizable and can perform a variety of functions, hereunder exposure bracketing.
The 11 autofocus points cover a wider area of the image than on previous models. | 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 functionality with the optional O-GPS1 unit,
Depth of field bracketing,
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,
Motion bracketing,
Save last JPG as RAW,
Save JPG from movie,
The three Fx buttons are customizable and can perform a variety of functions, hereunder exposure bracketing. |
| Colors / Special Editions | |
Black, Limited Silver
|
Black and Silver
|
