| Processor | Not known | PRIME IV w/accelerator unit | PRIME M II |
| Exposure Modes | Auto Picture, P, Av, Tv, M, B | Auto (green), HyP, Sv, Tv, Av, TAv, M, B, User (5) | Auto (green), Scene, HyP, Sv, Av, Tv, TAv, HyM, B, User(3) |
| Program Modes | Normal, Portrait, Landscape, Macro, Action, Night-scene Portrait, Flash Off | Auto, Normal, Action, Depth of Field (deep/shallow), MTF priority | Normal |
| Scene Modes | None | None. Auto (green) sets exposure based on scene analysis | 20: 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, Museum |
| 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 - 1/4000s (stepless) | 30s to 1/6,000s (mechanical), to 1/24,000s (electronic) | 30s - 1/6000s (stepless) |
| Shutter Speeds (Manual) | B, 30s - 1/4000s | 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 | B, 30s - 1/6000s, Up to 20 minutes in Timed Bulb mode. Up to 300s in Astrotracer mode |
| High ISO NR | No | Off, Auto, Low/Medium/High, Custom by ISO | Off, Auto, Low/Medium/High, Custom by ISO |
| Slow Shutter NR | Yes, can be turned off | Off, Auto, On | Off, Auto, On |
| Shutter Life | Not Specified | 100,000 | Not Specified |
| Maximum FPS | 2.8 | 7 | 6 |
| Continuous Shooting | 2.8 fps up to 5 frames | 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) | Hi: 6 fps up to 40 frames (JPG), 10 frames (RAW), Lo: 3 fps up to 100 frames (JPEG), 16 frames (RAW) |
| Exposure Compensation | +/-2 EV | +/-5 EV (+/-2 EV in movie mode) | +/-5 EV (+/-2 EV in movie mode) |
| Auto Bracketing | Exposure (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) | Exposure (2, 3 or 5 frames), one-push EV bracketing, AA filter (3 frames) |
| Expanded Dynamic Range | No | Highlight (auto, on, off),
Shadow (auto, high, medium, low, off) | Highlight (auto, on, off),
Shadow (auto, high, medium, low, off) |
| Metering Sensor | 16-Segment | 86K Pixel | 77-Segment |
| Meter Range | 1 to 21.5 EV | -3 to 20 EV | 0 to 22 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 | No | 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 | No | Yes | Yes |
| Multiple Exposures | No | Yes, average, additive and bright, 2 to 2000 shots | Yes, average, additive and bright, 2 to 2000 shots |
| Pixel Mapping | No | Yes | Yes |
| Mount | KAF (no aperture coupler) | KAF2 (no aperture coupler) | KAF2 (no aperture coupler) |
| Composition Adjustment | No | Yes | No |
| Supported Lenses | All Pentax K-mount lenses except for lenses with the KAF4 mount variant and RE (retractable) lenses. Manual focus only with K-, M-, and A-series lenses and with KAF3 mount 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. 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 | No | Yes (sensor-shift SR II) | Yes (sensor-shift SR) |
| Autofocus (viewfinder) | Yes (SAFOX VIII, 3 focus points) | Yes (SAFOX 11, 27 focus points (25 cross type)) | Yes (SAFOX X, 11 focus points (9 cross type)) |
| AF Points | 3 | 27 | 11 |
| Autofocus Sensitivity | -1 to 18 EV | -3 to 18 EV | -3 to 18 EV |
| Autofocus With SDM | No | Yes | Yes |
| Autofocus Assist | No | Dedicated LED | Dedicated LED |
| Autofocus Modes | Single Shot, Continuous | Viewfinder: 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 |
| Front/Back Focus Corr | No | Yes (adjustment for up to 20 lenses) | Yes (adjustments for up to 20 lenses) |
| Power Zoom | Not supported | Not supported | Not supported |
| Lens Correction | None | Distortion,Lateral Chromatic Aberration,Vignetting,Diffraction | Distortion,Lateral Chromatic Aberration,Vignetting,Diffraction |
| Weather Resistant | No | Yes | Yes |
| GPS | Not Supported | Via Accessory | Via Accessory |
| Control Wheels | 1 | 3 | 2 |
| Camera Controls | 1 control wheel. Most functions accessed through menus | 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. | 2 control wheels. Most functions accessed through control panel or menus. Customizable control panel. Three user mode settings. |
| Dust Removal | No | Yes, Ultrasonic DR II | Yes, Sensor Shake DR |
| Dust Alert | No | No | No |
| File Format | PEF (RAW),JPG | PEF (RAW),DNG (RAW),JPG,MOV | PEF (RAW),DNG (RAW),JPG,MOV |
| Card Slots | 1 | 1 | 1 |
| Memory Card Type | SD (SDHC with firmware upgrade) | SD, SDHC, SDXC (UHS-I compatible) | SD, SDHC, SDXC (UHS-I Compatible) |
| Tethering | None | Via built-in Wi-Fi | Via built-in Wi-Fi |
| Battery |
4 x AA
| D-LI109 lithium-ion rechargeable | D-LI109 lithium-ion rechargeable
|
| Battery Grip |
No
| D-BG7 (takes one D-Li109 or one D-LI90 battery)
|
No
|
| Battery Life | AA lithium: 750 images (650 images with 50% flash usage) | 420 photos (CIPA) | 480 frames (without flash) |
| Size (W X H X D) | 125 x 92.5 x 67 mm | 131.5 x 101 x 76 mm | 125.5 x 93 x 74 mm (4.9 x 3.7 x 2.9 in.) |
| Weight | 470 g | 643 g (body only), 703 g (with battery) | 628 g (688 g with battery and SD card) |
| Connectivity | USB 2.0/Video out, DC in, 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. | USB 2.0, HDMI out, Stereo mic, Wi-Fi |
| Latest Firmware | Version 1.03 | Link to download page | Link to Download Page |
| Notes | | 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. | 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 |
| Colors / Special Editions | |
Black and Silver
|
Black, Silver
|
