| Processor | PRIME M | PRIME M II | PRIME M II |
| Exposure Modes | Auto (green), Scene, HyP, Sv, Av, Tv, TAv, M, B | Auto Picture, Scene, EFFECT, P, Sv, Av, Tv, TAv, M, B | Auto Picture, Scene, Advanced HDR, P, Sv, Av, Tv, TAv, M, B, User(2) |
| Program Modes | Normal | Normal | Normal |
| Scene Modes | 19: 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 | 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 | 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 - 1/6000s (stepless) | 30s - 1/6000s (stepless) | 30s - 1/6000s (stepless) |
| Shutter Speeds (Manual) | B, 30s - 1/6000s. Up to 300s in Astrotracer mode | B, 30s - 1/6000s, Up to 300s in Astrotracer mode | B, 30s - 1/6000s, 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 | Not Specified | Not Specified | Not Specified |
| Maximum FPS | 6 | 5.4 | 5.4 |
| Continuous Shooting | Hi: 6 fps up to 30 frames (JPG), 8 frames (RAW) Lo: 3 fps until card is full (JPG), 10 frames (RAW) | Hi: 5.4 fps up to 20 frames (JPG), 5 frames (RAW) Lo: 3 fps up to 100 frames (JPG), 8 frames (RAW) | Hi: 5.4 fps up to 20 frames (JPG), 5 frames (RAW), Lo: 3 fps up to 100 frames (JPG), 8 frames (RAW) |
| Exposure Compensation | +/-5 EV (+/-2 EV in movie mode) | +/-5 EV | +/-5 EV (+/-2 EV in movie mode) |
| Auto Bracketing | Exposure (3 frames), one-push EV bracketing | Exposure (3 frames), one-push EV bracketing | Exposure (3 frames), one-push EV bracketing |
| Expanded Dynamic Range | 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 Sensor | 77-Segment | 77-Segment | 77-Segment |
| Meter Range | 0 to 22 EV | 0 to 22 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 | Up to 999 frames, up to 24 hours between frames | No | 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 | No | 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 | No | No |
| Supported Lenses | 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). | 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. 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). |
| Stabilization | Yes (sensor-shift SR) | Yes (sensor-shift SR) | Yes (sensor-shift SR) |
| Autofocus (viewfinder) | Yes (SAFOX IXi+, 11 focus points (9 cross type), diffraction lens, wavelength sensor) | Yes (SAFOX IXi+, 11 focus points (9 cross type)) | Yes (SAFOX X, 11 focus points (9 cross type)) |
| AF Points | 11 | 11 | 11 |
| Autofocus Sensitivity | -1 to 18 EV | -1 to 18 EV | -3 to 18 EV |
| Autofocus With SDM | Yes | Yes | Yes |
| Autofocus Assist | Dedicated LED | Dedicated LED | Dedicated LED |
| Autofocus Modes | AF.A (auto) AF.S (single, w focus lock, focus/shutter priority selectable) AF.C (continuous, w focus/FPS priority selectable) Manual | 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 | Yes (adjustments for up to 20 lenses) | Yes (adjustments for up to 20 lenses) | Yes (adjustments for up to 20 lenses) |
| Power Zoom | Not supported | Not supported | Not supported |
| Lens Correction | Distortion,Lateral Chromatic Aberration | Distortion,Lateral Chromatic Aberration,Vignetting,Diffraction | Distortion,Lateral Chromatic Aberration,Vignetting,Diffraction |
| Weather Resistant | Yes | No | Yes |
| GPS | Via Accessory | Via Accessory | Via Accessory |
| Control Wheels | 2 | 1 | 2 |
| Camera Controls | 2 control wheels Several dedicated buttons Control panel Two user mode settings | 1 control wheel. Most functions accessed through control panel or menus | 2 control wheels. Most functions accessed through control panel or menus |
| Dust Removal | Yes, Sensor Shake DR | Yes, Sensor Shake DR | Yes, Sensor Shake DR |
| Dust Alert | No | No | No |
| File Format | DNG (RAW),JPG,MOV | PEF (RAW),DNG (RAW),JPG,MOV | PEF (RAW),DNG (RAW),JPG,MOV |
| Card Slots | 1 | 1 | 1 |
| Memory Card Type | SD, SDHC, SDXC, Eye-Fi | SD, SDHC, SDXC (UHS-1 compliant), Eye-Fi, FLU card | SD, SDHC, SDXC (UHS-I Compatible) |
| Tethering | None | Via O-FC1 FLUcard | Via built-in Wi-Fi |
| Battery | D-LI109 lithium-ion rechargeable or 4 x AA with optional battery holder D-BH109 | D-LI109 lithium-ion rechargeable
| D-LI109 lithium-ion rechargeable
|
| Battery Grip |
No
|
No
|
No
|
| Battery Life | 480 images with Li-Ion battery (no flash use) 1250 images with AA lithium (no flash use) | 480 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) 410 images with Li-Ion battery (50% flash use) |
| Size (W X H X D) | 129 x 96.5 x 70 mm (5.1 x 3.8 x 2.8 in.) | 120 x 92.5 x 69.5 mm 4.72 x 3.65 x 2.75 in. | 122 x 91 x 72.5 mm 4.8 x 3.6 x 2.85 in. |
| Weight | 650 g (23 oz) | 558 g (19.7 oz) with battery | 618 g (678 g / 23.9 oz with battery and SD card) |
| Connectivity | USB 2.0, AV out, cable release | USB 2.0, HDMI out | USB 2.0, HDMI out, Stereo mic, Wi-Fi and NFC |
| Latest Firmware | Link to Download Page | 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,
In-camera RAW development,
Multilayer digital filters,
Image plane indicator,
Save last JPG as RAW,
The RAW button is customizable and can perform a variety of functions, hereunder exposure bracketing | 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 | Astrotracer 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. |
