| key specs |
| Camera Type | DSLR Camera | DSLR Camera |
| Effective Pixels | 16.05 MP | 10.1 MP |
| Sensor Type | MOS | CMOS |
| Display Type | OLED | TFT |
| Display Size | 3 inch | 2.5 inch |
| Battery Type | Lithium ion | Lithium ion |
| Touchscreen | Yes | - |
| general |
| Brand | Panasonic | Canon |
| Model | Lumix DMC GH4A 16.05MP DSLR Camera | EOS Rebel XTI 10.10MP DSLR Camera |
| Model Name | Lumix DMC GH4A | EOS Rebel XTI |
| Model Number | DMC GH4A | XTI 400D |
| Series | Lumix | EOS Rebel |
| Color | Black | Silver |
| SLR Variant | Body With 12-35Mm Lens | - |
| Type | DSLR Camera | DSLR Camera |
| Effective Pixels | 16.05 MP | 10.1 MP |
| Dimensions(WxHxD) | 132.9 x 93.4 x 83.9 mm | 91 x 56 x 22.5 mm |
| Weight | 560 GM | 190 GM |
| Temperature | 32 to 104 | 32 to 104 |
| Accessory Shoe | Hot Shoe | - |
| Maximum Burst | - | Yes |
| sensor features |
| Sensor Type | MOS | CMOS |
| Sensor Size | 17.3 x 13.0 mm | 22.2 x 14.8mm |
| Maximum ISO | 25600 ISO | - |
| Maximum FPS | 96 | - |
| Sensor Technology | Live MOS Sensor | - |
| ISO Speed Range | - | 100-1,600 |
| lens features |
| Lens Type | LUMIX G X VARIO | - |
| Lens Mount | Micro Four Thirds mount | Canon EF mount |
| Lens Construction | 14 elements in 9 groups 4 aspherical lenses , 1 UED lens, 1 UHR lens | 11 elements in 9 groups |
| Focal Length | f=12-35mm 35mm camera equivalent 24-70mm | 0.28m/0.92 ft. |
| Digital Zoom | 2x | - |
| Optical Zoom | 4x | - |
| Aperture Range | F2.8 - F22 | f/22 - 36 |
| Color Filter | Primary color filter | - |
| Dust Reduction | Yes | - |
| Compatible Lens | - | Canon EF and EF-S lenses |
| viewfinder features |
| View Finder | Yes | Yes |
| View Finder Type | OLED Live View Finder 2,359K dots | Eye-level SLR with pentamirror |
| Viewfinder Coverage | 100% | 95% |
| Viewfinder Magnification | Approx. 1.34x / 0.67x 35mm camera equivalent with 50 mm lens at infinity -1.0 m-1 | 0.8x -1 dpt with 50mm lens at infinity |
| Viewpoint Dioptric Adjustment | -4.0 - +4.0 dpt | -3.0 to +1.0 diopter |
| Viewfinder Eye Point | 21 mm | 21 mm |
| Other Viewfinder Features | - | AF AF points, focus confirmation light, Exposure shutter speed, aperture, exposure level, AE lock, exposure compensation, AEB level, bulb, Flash flash ready, red-eye reduction lamp on, high-speed sync, FE lock, FEB shooting, flash exposure compensation, insufficient flash warning during FE lock, White balance correction, Maximum burst, CF card full warning, CF card error warning, No CF card warning |
| focus features |
| Focus Mode | AFS Single / AFF Flexible / AFC Continuous / MF | Autofocus One-Shot AF, Predictive AI Servo AF, AI Focus AF automatic switching between One-Shot/Predictive AI Servo AF Manual Focus MF |
| Focus Range | EV -4 - 18 ISO100 equivalent | EV -0.5-18 ISO 100 at 73A DegreeF/23A DegreeC |
| Auto Focus | Yes | Yes |
| Metering Modes | Multiple / Center Weighted / Spot | Center-weighted average metering |
| White Balancing | Auto / Daylight / Cloudy / Shade / incandescent / Flash / White Set 1, 2, 3, 4 / Color temperature setting | Auto, Preset Daylight, Shade, Cloudy, Tungsten Light, White Fluorescent Light, Flash, Manual Custom, or user-set Color Temperature |
| Focus Points | - | 9 AF points |
| exposure features |
| Exposure Mode | Program AE, Aperture Priority AE, Shutter Priority AE, Manual | - |
| AE Lock/Exposure Lock | Yes | Yes |
| Spot Meter | Yes | - |
| Exposure Compensation | 1/3 EV step | 1 User-set with multi-controller 2 AEB Auto Exposure Bracketing, Bracketing range +/- 2 stops in 1/3- or 1/2-stop increments |
| Manual Exposure | Yes | - |
| shutter features |
| Shutter Type | Focal-plane shutter | Vertical-travel, mechanical, focal-plane shutter |
| Shutter Speed | Still image Bulb Max. 60 minutes, 1/8,000 - 60 | 1/4000 sec |
| Self-timer | Yes | Yes |
| Release Modes | - | Soft-touch electromagnetic release shutter lag time approx. 100 msec. |
| Continuous Shots | - | Approx. 3 fps at shutter speed of 1/250 sec. or faster |
| flash features |
| Built-in Flash | Yes | - |
| External Flash | Yes | - |
| Flash Modes | Auto*, Auto/Red-eye Reduction*, Forced On, Forced On/Red-eye Reduction, Slow Sync., Slow Sync./Red-eye Reduction, Forced Off * For iA, iA+ only. | 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 DCF, Exif 2.3, RAW, MPO When attaching 3D lens in Micro Four Thirds system standard | JPEG, RAW Canon .CR2 |
| Aspect Ratio | 43, 32, 169, 11 | 30200 AM |
| Gross Pixel | 17.20 MP | 10.50 MP |
| Red Eye Reduction | Yes | - |
| Image Stabilizer | Yes | - |
| Image Sizing | [43] 4608x3456L / 3264x2448M / 2336x1752S / 1824x1368 with 3D lens in Micro Four Thirds system standard | - |
| Still Image Size | 4608x3456 | - |
| Live View Shooting | Yes | - |
| Maximum Resolution | - | 3,888 x 2,592 |
| display features |
| Display Type | OLED | TFT |
| Display Size | 3 inch | 2.5 inch |
| Display Resolution | Approx. 1036K dots | 230,000 Dots |
| Touch Screen | Yes | - |
| LCD Display | OLED | TFT Color LCD |
| LCD Display Image Resolution | Approx 1036K dots | Approx. 230000 pixels |
| Other Display Features | Brightness 7 levels, Contrast and Saturation 7 levels, Red-Green 11 levels, Blue-Yellow 11 levels | - |
| connectivity features |
| HDMI | Yes | - |
| USB | Yes | - |
| Wifi | Yes | - |
| storage and power features |
| Upgradable Memory | Yes | - |
| Card Type | SD Memory Card, SDHC Memory Card, SDXC Memory Card Compatible with UHS-I UHS Speed Class 3 standard SDHC / SDXC Memory Cards | - |
| Power Requirement | 7.2V | - |
| Batteries Included | Yes | - |
| Battery Type | Lithium ion | Lithium ion |
| Battery Life | Approx. 530 images with H-HS12035 | - |
| audio and video features |
| Microphone | Stereo, Wind-cut OFF / Standard / High | - |
| Speaker | Monaural | - |
| Audio Features | Audio format LPCM / AAC 2ch | - |
| Video Format | MOV Audio format LPCM, MP4 Audio format LPCM / AAC 2ch, AVCHD Audio format Dolby Digital 2ch | - |
| Frame Rates in Video Modes | 2fps, 15fps, 26fps, 28fps, 30fps, 32fps, 34fps, 45fps, 60fps, 75fps, 90fps, 96fps | - |
| modes and functions features |
| HD Support | Yes | - |
| Silent Shooting | Yes | - |
| Drive Modes | - | Single, Continuous, Self-timer/Remote control |