- 1/1.7 inch 43.3mm2
- 12.0 megapixels
- 37.00mm - 111.00mm (35mm eq.)
- Go in depth with our full Pentax A40 Review.
- APS-C 372.1mm2
- 16.3 megapixels
- ISO 100 - 51,200
- Go in depth with our full Pentax K-500 Review.
- See real-world photos taken with the K-500.
| Links | ||
|---|---|---|
| Prices: | Compare Prices | |
| Manufacturer URL: | Manufacturer website | Manufacturer website |
| Predecessor: | ||
| Successor: | ||
| General | ||
| Model Number: | A40 | K-500 |
| Alternate Model Number(s): | ||
| Camera Format: | Ultra Compact | SLR |
| Currently Manufactured: | No | No |
| Retail Price: | $299.95 | $599.95 |
| Street Price: | $596.95 | |
| Date Available: | 2008-02-15 | 2013-07-15 |
| Tripod Mount: | Yes | Yes |
| Weight: |
5.3 oz
(150 g)
includes batteries |
30.1 oz
(852 g)
includes batteries, kit lens |
| Size: |
3.6 x
2.2 x
0.9 in. (91 x 56 x 23 mm) |
5.1 x
3.8 x
2.8 in. (130 x 97 x 71 mm) |
| Waterproof: | No | No |
| Waterproof Depth: | n/a | n/a |
| Image Sensor | ||
| Sensor Type: | CCD | CMOS |
| Sensor Manufacturer: | Sony | |
| Effective Megapixels: | 12.0 | 16.3 |
| Sensor Format: | 1/1.7 inch | APS-C |
| Sensor size: | 43.32mm2 (7.6mm x 5.7mm) | 372.09mm2 (23.70mm x 15.70mm) |
| Approximate Pixel Pitch: | 1.90 microns | 4.81 microns |
| Focal Length Multiplier: | n/a | 1.5x |
| Aspect Ratio: | 4:3 | 3:2 |
| Color Filter Type: | RGBG | RGBG |
| Anti Aliasing Filter: | Fixed | |
| Self-Cleaning: | No | Yes |
| Sensor shift image stabilization: | Yes | Yes |
| On-Sensor Phase Detect: | No | No |
| DxO Sensor Score: | 79 | |
| DxO Color Depth Score (bits): | 23.7 | |
| DxO Dynamic Range Score (evs): | 13.1 | |
| DxO Maximum Effective ISO Score (iso): | 1,087 | |
| Image Capture | ||
| Image Resolution: |
4000 x 3000
(12.0 MP,
4:3), 3648 x 2736 (10.0 MP, 4:3), 3072 x 2304 (7.1 MP, 4:3), 2592 x 1944 (5.0 MP, 4:3), 2048 x 1536 (3.1 MP, 4:3), 1024 x 768 (0.8 MP, 4:3), 640 x 480 (0.3 MP, 4:3) |
4928 x 3264
(16.1 MP,
Other), 4224 x 2816 (11.9 MP, 3:2), 3456 x 2304 (8.0 MP, 3:2), 2688 x 1792 (4.8 MP, 3:2) |
| Image File Format: | JPEG (EXIF 2.2) | JPEG (EXIF 2.3), 12-bit RAW (.DNG), RAW+JPEG |
| Continuous-mode frames/second: | n/a | 6.0 |
| Video Capture | ||
| Can take movies: | Yes | Yes |
| Movie Resolution: |
640x480 (30)
320x240 (30) |
1920x1080 (30p/25p/24p)
1280x720 (60p/50p/30p/25p/24p) 640x480 (30p/25p/24p) |
| Movie File Format: | AVI (DivX MPEG-4) | MOV MPEG-4 AVC (H.264) with monaural audio |
| Composite Video Out: | Yes | Yes |
| NTSC/PAL Switchable Video: | Yes | Yes |
| Video Usable as Viewfinder: | No | |
| HD Video Out: | No | |
| HD Video Connection: | ||
| Lens & Optics | ||
| Lens Mount: | n/a | Pentax K (KA/KAF/KAF2/3) |
| Lens: | SMC Pentax Zoom (7 elements in 5 groups, 3 aspherical) | smc PENTAX-DA L 18-55mm f/3.5-5.6 AL; 11 elements in 8 groups, 6 bladed diaphragm |
| Focal Length (35mm equivalent): | 37 - 111mm | 27 - 83mm |
| Focal Length (actual): | 7.9 - 23.7mm | 18 - 55mm |
| Zoom Ratio: | 3.00x | 3.06x |
| Aperture Range: | f/2.8 (wide) - f/5.4 (tele) - ??? | f/3.5 - f/22 (wide) / f/5.6 - f/38 (tele) |
| Integrated ND Filter: | No | No |
| Normal Focus Range: |
35 cm to Infinity 13.8 in to Infinity |
25 cm to Infinity 9.8 in to Infinity |
| Macro Focus Range: |
6 -
40 cm 2.4 - 15.7 in |
|
| Filter Thread: | n/a | 52.0mm |
| Thread Type: | n/a | n/a |
| Optical Image Stabilization: | No | No |
| Digital Zoom: | Yes | No |
| Digital Zoom Values: | Up to 6x | n/a |
| Auto Focus | ||
| Auto Focus: | Yes | Yes |
| Auto Focus Type: | 5 point Contrast Detect AF; spot, tracking, and face recognition | Phase Detect:: SAFOX IXi+, 11 point (9 cross type focus point in the center), with light wavelength sensor and diffraction lens; Live View: Contrast detection AF (face detection, tracking, select, spot) |
| Auto Focus Assist Light? | Yes | Yes |
| Manual Focus: | Yes | Yes |
| Viewfinder | ||
| Viewfinder: | LCD | Optical / LCD |
| Viewfinder Type: | SLR type; eye-level pentaprism, 100% coverage, 0.92x mag., -2.5 to +1.5 diopter, 21.7mm eyepoint (from view window), Natural-Bright-Matte III focusing screen (interchangeable) | |
| Focus Peaking: | No | Yes |
| EVF Resolution: | n/a | n/a |
| Viewfinder Magnification (35mm equivalent): | 0.61x | |
| Viewfinder Magnification (nominal/claimed): | 0.92x | |
| Display | ||
| Eye-level Viewfinder: | No | Yes |
| Rear Display: | Yes | Yes |
| Rear Display Size (inches): | 2.5 | 3.0 |
| Rear Display Resolution: | 232,000 dots | 921,600 dots (307,200 px) |
| Touchscreen: | No | No |
| Articulating Screen: | No | No |
| Tilt Swivel Screen: | No | No |
| Selfie Screen: | No | No |
| Max Playback Zoom: | 8.0x | 16.0x |
| Top Deck Display: | No | |
| Exposure | ||
| Maximum ISO (native): | 51200 | |
| Minimum ISO (native): | 100 | |
| ISO Settings: | Auto, 50, 100, 200, 400, 800, 1600, 3200 (auto up to 3200 in Digital SR mode) | Auto, 100-51200 (1, 1/2 or 1/3 EV steps) |
| Auto ISO Mode: | Yes | Yes |
| White Balance Settings: | Auto, Daylight, Shade, Tungsten, Fluorescent, Manual | Auto, Daylight, Shade, Cloudy, Fluorescent (D, N, W, L), Tungsten, Flash, CTE, 3 Manual and 3 Kelvin temperature presets |
| Shutter Speed Range: | 1/2000 - 4 sec | 1/6000 - 30 sec |
| Bulb Mode: | No | Yes |
| Exposure Compensation: | +/- 2.0EV in 0.3EV steps | +/- 5.0EV in 0.3EV steps |
| Metering Modes: | TTL metering: Multi-segment, Center-weighted, Spot | TTL open-aperture: 77-segment, Center-weighted, Spot |
| Program Auto Exposure: | Yes | Yes |
| Aperture Priority: | No | Yes |
| Shutter Priority: | Yes | Yes |
| Full Manual Exposure: | Yes | Yes |
| Creative Exposure Modes: | Natural Skin Tone, Half-length Portrait (3MP), Night Scene, Landscape, Flower, Portrait, Kids, Digital SR (5MP), Surf & Snow, Sport, Pet, Text, Food, Frame Composite (3MP), Dynamic Range Adjustment | Sensitivity Priority, Shutter and Aperture Priority, Scene (Portrait, Landscape, Macro, Moving Object, Night Scene Portrait, Sunset, Blue Sky, Forest, Night Scene, Night Scene HDR*, Night Snap, Food, Pet, Kids, Surf & Snow, Backlight Silhouette, Candlelight, Stage Lighting, Museum, *JPEG only); Extract Color, Toy Camera, Retro, High Contrast, Shading, Invert Color, Color; Dynamic range adjustment (Highlight, Shadow); HDR: Auto, HDR 1, HDR 2, HDR 3 |
| Self Timer: | 2 or 10 seconds | 2 or 12 seconds |
| Time Lapse (intervalometer): | Yes | |
| High Resolution Composite: | No | No |
| Flash | ||
| Built-in Flash: | Yes | Yes |
| Flash Modes: | On, Off, Auto, Redeye, Soft Flash | P-TTL: On, Redeye, Slow Sync, Slow Sync + Redeye, Trailing Curtain Sync |
| Flash Guide Number (ISO 100): | n/a | 12.0 m / 39.4 ft. |
| Flash Range Description: | Auto ISO: Wide: 0.20 - 23 ft (0.06 – 7.1 m); Tele: Approx. 1.15 – 11 ft (0.35 – 3.5 m) | Depends on lens |
| Max Flash Sync: | 1/180 | |
| Flash Exposure Compensation: | -2 to +1 EV in 0.5EV steps | |
| External Flash Connection: | n/a | Hot Shoe |
| Built-In Wireless Flash Control: | Full TTL exposure | |
| Image Storage | ||
| Usable Memory Types: | SD / SDHC | SD / SDHC / SDXC |
| UHS Support: | ||
| Other Memory: | ||
| Dual Card Slots: | No | No |
| RAW Capture Support: | No | Yes |
| Uncompressed Format: | 12-bit RAW (.DNG), RAW+JPEG | |
| Movie File Format: | AVI (DivX MPEG-4) | MOV MPEG-4 AVC (H.264) with monaural audio |
| Included Memory: | 21.0 MB | No memory included |
| Included Memory Type: | Internal | |
| Connectivity | ||
| Built-In Wi-Fi: | No | No |
| NFC: | No | No |
| Bluetooth: | No | No |
| Built-In GPS: | No | No |
| Microphone Jack: | No | No |
| Headphone Jack: | No | No |
| External Connections: | USB 2.0 High Speed | USB 2.0 High Speed |
| PictBridge Compliant: | Yes | No |
| DPOF Compliant: | Yes | Yes |
| Remote Control: | Yes | Yes |
| Remote Control Type: | IR, optional | Optional Wired or IR |
| Connections (extended): | DC input | Wired remote port |
| Performance Timing | ||
| Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): | ||
| Cycle time for RAW shooting in single shot mode (seconds per frame): | ||
| Buffer size for RAW shooting in single shot mode (frames): | ||
| Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot): | ||
| Camera penalizes early shutter press? | ||
| JPEG shooting speed in burst mode (fps, max resolution): | 6.0 | |
| Buffer size for JPEG shooting in burst mode (frames, max resolution): | 30 | |
| RAW shooting speed in burst mode (fps): | ||
| Buffer size for RAW shooting in burst mode (frames): | ||
| RAW+JPEG shooting speed in burst mode (fps): | ||
| Buffer Size for RAW+JPEG shooting in burst mode (frames): | ||
| Shutter lag (full AF, wide/mid): | ||
| Shutter lag (full AF, tele): | ||
| Shutter lag (full AF, live view - DSLR): | ||
| Shutter lag (prefocused, live view - DSLR): | ||
| Shutter Lag (manual focus): | ||
| Shutter lag (full AF, with flash): | ||
| Shutter Lag (prefocused): | ||
| Shutter Lag (notes): | ||
| Startup Time: | ||
| Play -> Record Time: | ||
| Flash cycle time, full power: | ||
| Power | ||
| Battery Life, Stills (CIPA Rating Monitor/Live View): | 240 shots | |
| Battery Life, Still (CIPA Rating OVF/EVF): | 710 shots (Lithium AA) | |
| Battery Life, Video: | ||
| Battery Form Factor: | Proprietary D-LI68 | 4 x AA or proprietary D--LI109 Lithion-ion |
| Usable Battery Types: | Lithium Ion rechargeable | AA (Alkaline, NiMH, Lithium) or optional D-LI109 Lithium-ion rechargeable |
| Batteries Included: | 1 x Proprietary D-LI68 Lithium Ion rechargeable | 4 x AA Lithium disposables |
| Battery Charger Included (dedicated charger or AC/USB adapter): | Yes | No |
| Dedicated Battery Charger Included: | ||
| Internal Charging Supported: | ||
| Software | ||
| Included Software: | Software (S-SW69) CD-ROM | Software CDROM (SILKYPIX Developer Studio for PENTAX included) |
| OS Compatibility: | Windows, Mac OS | |
| Miscellaneous | ||
| Notes & Features: | Entry-level model: Similar to K-50 in IQ and performance, but not weather sealed, comes with 4 Energizer lithium AAs, and only available in black. | |
