| key specs |
| Camera Type | DSLR Camera | DSLR Camera |
| Effective Pixels | 20.3 MP | 10.1 MP |
| Sensor Type | MOS | CMOS |
| Display Type | OLED | TFT |
| Display Size | 3 inch | 3 inch |
| Battery Type | Lithium ion | AA Alkaline Battery |
| general |
| Brand | Panasonic | Canon |
| Model | Lumix DMC GX8K 20.3MP DSLR Camera | EOS 40D 10.10MP DSLR Camera |
| Model Name | Lumix DMC GX8K | EOS 40D |
| Model Number | DMC-GX8K | 40D |
| Series | Lumix | EOS |
| Color | Black | Black |
| Type | DSLR Camera | DSLR Camera |
| Effective Pixels | 20.3 MP | 10.1 MP |
| Dimensions(WxHxD) | 133.2 x 77.9 x 63.1 mm | 145.5 x 107.8 x 73.5 mm |
| Weight | 487 GM | 740 GM |
| Face Detection | Yes | - |
| Wide Angle | Yes | - |
| Maximum Burst | Yes | Yes |
| Lens Attachment | 3D | - |
| Temperature | 32 to 104 | 0 to 40 |
| Accessory Shoe | Hot Shoe | - |
| sensor features |
| Sensor Type | MOS | CMOS |
| Sensor Size | 17.3 x 13.0 mm | 22.2 x 14.8 mm |
| Maximum ISO | 25600 ISO | 6400 ISO |
| Maximum FPS | 25 | - |
| lens features |
| Lens Type | LUMIX G VARIO | - |
| Lens Mount | Micro Four Thirds mount | Canon EF mount |
| Lens Construction | 9 elements in 8 groups 2 aspherical lenses | 11 elements in 9 groups |
| Focal Length | 14-42mm | - |
| Digital Zoom | 2x | - |
| Optical Zoom | 4x | - |
| Aperture Range | F3.5 - F5.6 | - |
| Manual Focus | Yes | - |
| Color Filter | Primary color filter | Primary RGB Color Filter |
| Dust Reduction | Yes | - |
| Other Lens Features | Supersonic wave filter | - |
| Compatible Lens | - | Canon EF, EF-S, TS-E, and MP-E lenses |
| viewfinder features |
| View Finder | Yes | Yes |
| View Finder Type | OLED Live View Finder | Eye-level SLR with solid glass pentaprism |
| Viewfinder Coverage | 100% | 95% |
| Viewfinder Magnification | Approx. 1.54x / 0.77x 35mm camera equivalent with 50 mm lens at infinity -1.0 m-1 | 0.95x -1 dpt with 50mm lens at infinity |
| Viewpoint Dioptric Adjustment | -4.0 - +3.0 dpt | -3.0 to +1.0 diopter |
| Viewfinder Eye Point | 21 mm | 22mm |
| Other Viewfinder Features | - | AF AF points, focus confirmation light, Exposure shutter speed, aperture, ISO speed, AE lock, exposure level, spot metering circle, exposure warning, Flash flash ready, flash exposure compensation, high-speed sync, FE lock, red-eye reduction light, Image monochrome shooting, maximum burst, white balance correction, CF card information |
| focus features |
| Focus Mode | AFS Single / AFF Flexible / AFC Continuous / MF | Manual focus Autofocus Live View image interrupted for AF |
| Focus Range | 21-42 mm | EV -0.5 ~18 ISO 100 at 73A DegreeF/23A DegreeC |
| Auto Focus | Yes | - |
| Metering Modes | Multiple / Center Weighted / Spot | Evaluative metering linked to all AF pointsPartial metering approx. 9% of viewfinderSpot metering approx. 3.8% of viewfinderCenter-weighted average metering |
| White Balancing | Auto / Daylight / Cloudy / Shade / incandescent / Flash / White Set 1, 2, 3, 4 / Color temperature setting | Auto, Daylight, Shade, Cloudy, Tungsten, White Fluorescent Light, Flash, Custom WB setting, user-set Color Temperature 2,500~10,000K |
| Panorama Type | Standard / Wide | - |
| Focus Points | - | 9 cross-type AF points, including center AF point fully functional with f/5.6 or faster lenses |
| exposure features |
| Exposure Mode | Program AE, Aperture Priority AE, Shutter Priority AE, Manual, | - |
| AE Lock/Exposure Lock | Yes | Yes |
| Spot Meter | 1 Shot | Yes |
| Exposure Compensation | 1/3 EV step | +/-3 stops in 1/3- or 1/2-half increments |
| Manual Exposure | Yes | Yes |
| shutter features |
| Shutter Type | Focal-plane shutter | Vertical-travel, mechanical, focal-plane shutter with all speeds electronically controlled |
| Shutter Speed | 1/16,000 - 1 | 1/8000 to 30 sec. 1/3-stop increments, X-sync at 1/250 sec. |
| Self-timer | Yes | Yes |
| Release Modes | - | Soft-touch electromagnetic release |
| Continuous Shots | - | High speed Max 6.5 shots/sec. Low speed Max 3 shots/sec. |
| flash features |
| Built-in Flash | Yes | Yes |
| External Flash | Yes | - |
| Flash Modes | Auto, Red-eye Reduction, Forced On, Slow Sync. | Auto pop-up, retractable, built-in flash in the pentaprism |
| Flash Compensation | - | 2 stops in 1/3- and 1/2-stop increments |
| image features |
| Image Format | JPEG, RAW, MPO | JPEG, RAW Canon CR2 |
| Aspect Ratio | 43, 32, 169, 11 | - |
| Gross Pixel | 21.77 MP | 10.50 MP |
| Red Eye Reduction | Yes | - |
| Image Stabilizer | Yes | - |
| Image Sizing | 5184 x 3888 | JPEG/Large Approx. 3.5MB 3,888 x 2,592JPEG/Medium Approx. 2.1MB 2,816 x 1,880JPEG/Small Approx. 1.2MB 1,936 x 1,288RAW Approx. 12.4MB 3,888 x 2,592sRAW Approx. 7.1MB 1,936 x 1,288 |
| HDR Support | Yes | - |
| Slow Motion | Yes | - |
| Still Image Size | - | 3,888 x 2,592 |
| display features |
| Display Type | OLED | TFT |
| Display Size | 3 inch | 3 inch |
| LCD Display | OLED | TFT Color LCD |
| Display Resolution | - | Approx. 230,000 pixels |
| LCD Display Image Resolution | - | approx. 230000 dots |
| connectivity features |
| HDMI | Yes | - |
| USB | Yes | - |
| Wifi | Yes | - |
| storage and power features |
| Upgradable Memory | Yes | - |
| Card Type | SD, SDHC, SDXC | - |
| Power Supply | 8.7W | - |
| Power Requirement | 7.2V | 7.4 V DC |
| Batteries Included | Yes | - |
| Battery Type | Lithium ion | AA Alkaline Battery |
| Battery Life | Approx. 330 images rear monitor, 310 images LVF with H-HS12035 | Number of shots approx. *The above figures apply with a fully-charged Battery Pack BP-511A *The figures above are based on CIPA Camera & Imaging Products Association testing standards |
| audio and video features |
| Microphone | Stereo, Wind-cut OFF / Standard / High | - |
| Speaker | Monaural | - |
| Audio Features | AVCHD Audio format Dolby Digital 2ch, MP4 Audio format AAC 2ch | - |
| Looping Video | Yes in 4K Burst S/S mode | - |
| Audio Video Interface | Monaural Type, NTSC/PAL | - |
| Frame Rates in Video Modes | 25fps | - |
| Video Format | - | DCF 2.0 Exif 2.21 JPEG, RAW and RAW+JPEG simultaneous recording possible. Multiple options for recording images on a memory card. |
| modes and functions features |
| HD Support | Yes | - |
| Delete Function | Yes | - |
| Silent Shooting | - | Provided Mode 1 and 2 |
| Drive Modes | - | Single, High-speed continuous, Low-speed continuous, and Self-timer 10 sec. or 2 sec. delay |
| Shooting Modes | - | 1 Live View shooting 2 Remote Live View shooting with a personal computer installed with EOS Utility |