| key specs |
| Camera Type | DSLR Camera | DSLR Camera |
| Effective Pixels | 20.3 MP | 18 MP |
| Sensor Type | MOS | CMOS |
| Display Size | 3 inch | 3 inch |
| Battery Type | Lithium ion | Lithium ion |
| Touchscreen | Yes | Yes |
| Display Type | - | TFT |
| general |
| Brand | Olympus | Canon |
| Model | Pen F 20.3MP DSLR Camera | EOS Rebel T4i 18MP DSLR Camera |
| Model Name | Pen F | EOS Rebel T4i |
| Model Number | PEN F | T4i |
| Series | Pen | EOS Rebel |
| Color | Black | Black |
| Minimum Illumination | Available | - |
| Type | DSLR Camera | DSLR Camera |
| Effective Pixels | 20.3 MP | 18 MP |
| Dimensions(WxHxD) | 124.8 x 72.1 x 37.3 mm | 133.1 x 99.8 x 78.8 mm |
| Weight | 427 GM | 575 GM |
| Face Detection | Yes | - |
| Temperature | 0 to 40 | 0 to 40 |
| Accessory Shoe | Hot Shoe | - |
| Tripod Socket | - | Yes |
| Lens Attachment | - | Body Only |
| sensor features |
| Sensor Type | MOS | CMOS |
| Sensor Size | 4/3 inch | 23.5 x 15.6 mm |
| Sensor Technology | Live MOS Sensor | CMOS |
| ISO Rating | - | ISO 100 - 6400 |
| Maximum ISO | - | 12800 ISO |
| Maximum FPS | - | 5 |
| viewfinder features |
| View Finder | Yes | Yes |
| View Finder Type | Eye-level electronic OLED viewfinder, approx. 2.36M-dot resolution | Eye-level Pentamirror |
| Viewfinder Coverage | 100% | - |
| Viewfinder Magnification | Approx. 1.08x*1 - 1.23x*2 -1m-1, 50mm lens, Infinity | - |
| Viewpoint Dioptric Adjustment | -4 ~ +2m-1 | - |
| Viewfinder Eye Point | 20 mm | - |
| focus features |
| Focus Mode | Single AF S-AF / Continuous AF C-AF / Manual Focus MF / S-AF + MF / AF tracking C-AF + TR | Auto, Manual |
| Focus Points | 81-area multiple AF Contrast detection AF, 37- area multiple AF Phase-difference detection AF All target, Group target area 3x3-area, Single targetStandard Target Size/Small Target Size | - |
| White Balancing | Auto WB, 7 Preset WBs, 4 Capture WBs, Custom WBKelvin setting | Auto, Preset Daylight, Shade, Cloudy, Tungsten Light, White Fluorescent Light, Flash, Custom White Balance Correction and White Balance Bracketing |
| Auto Focus | - | Yes |
| Metering Modes | - | 63 Zone TTL Full-aperture Metering, Evaluative Metering, Partial Metering, Spot Metering, Center Weighted Average Metering |
| exposure features |
| Exposure Mode | i AutoLive Guide can be performed , P Program AE Program shift can be performed, A Aperture priority AE, S Shutter priority AE, M Manual Live Bulb, Live Time and Live Composite are available, Custom1~4, Photo Story*1,Scene select AE*2 *1 Photo Story can be set to C3 | - |
| AE Lock/Exposure Lock | Yes | - |
| Exposure Compensation | When using exposure compensation dial | - |
| Manual Exposure | Yes | - |
| shutter features |
| Shutter Type | Computerized focal-plane, high-speed, mechanical shutter | - |
| Shutter Speed | 1/8000 - 60 sec. 1/3, 1/2, or 1EV steps selectable 1/16000 60 sec. Silent Electronic Shutter Electronic first curtain shutter Anti-shock mode 1/320 60 sec. Bulb/Time default setting 8min. 1/2/4/8/15/20/25/30 min. selectable | 1/4000 sec |
| Self-timer | Yes | Yes |
| Continuous Shots | [Sequential shooting H mode]approx 10 fps *IS OFF *Focus and exposure are fixed at the values for the first shot. [Sequential shooting L mode]approx 5 fps *When using the M.ZUIKO DIGITAL ED 12-50mm f/3.5-6.3 EZ [Sequential shooting H+ silent shutter mode] approx 20 fps *Shutter speed is limited 1/16000s - 1/25s | - |
| flash features |
| Built-in Flash | Yes | Yes |
| External Flash | Yes | Yes |
| Flash Modes | Flash Auto, Redeye, Fill-in, Flash Off, Red-eye Slow sync.1st curtain, Slow sync.1st curtain, Slow sync.2nd curtain, Manual 1/1 FULL 1/64 | Auto, Manual Flash, Integrated Speedlite Transmitter |
| Flash Compensation | Up to 3 EV in 0.3, 0.5, 1 EV steps selectable | - |
| image features |
| Image Format | RAW 12-bit lossless compression, JPEG, RAW+JPEG, MPO3D still | JPEG, RAW, RAW JPEG, DCF, DPOF 1.1 |
| Gross Pixel | 21.8 MP | - |
| Image Sizing | 5184Hx3888 | 5184 x 3456 L |
| HDR Support | HDR1,HDR2 painting like | - |
| Aspect Ratio | - | 169, 32, 43 |
| Still Image Size | - | 3456 x 2304 M, 2592 x 1728 S 1, 1920 x 1280 S 2, 720 x 480 S 3, 5184 x 3456 RAW |
| display features |
| Display Size | 3 inch | 3 inch |
| Display Resolution | Approx 1037k dots | 1040000 dots |
| Touch Screen | Yes | Yes |
| LCD Display | Vari-Angle LCD | TFT LCD |
| LCD Display Image Resolution | Approx 1037k dots | 1040000 dots |
| Display Type | - | TFT |
| LCD Display Video Resolution | - | 1920 x 1080 |
| connectivity features |
| HDMI | Yes | Yes |
| USB | Yes | Yes |
| Wifi | Yes | No |
| Wireless Connectivity | Built-in IEEE 802.11b/g/n | - |
| GPS | - | Yes |
| storage and power features |
| Card Type | SD Memory Card SDHC, SDXC, UHS-I, II compatible, Eye-Fi Card compatible | SD / SDHC / SDXC / Compatible with UHS-I |
| Battery Type | Lithium ion | Lithium ion |
| Upgradable Memory | - | Yes |
| Power Supply | - | AC Adapter Kit ACK-E8 |
| Batteries Included | - | Yes |
| audio and video features |
| Microphone | Stereo | Stereo |
| Speaker | Mono | - |
| Audio Features | Wave Format Stereo linear PCM/16-bit, Sampling frequency 48kHz | Linear PCM |
| Video Resolution | 1920x1080 | - |
| Video Quality | Full HD | - |
| Video Format | MOVMPEG-4AVC/H.264 , AVIMotion JPEG | MOV, MPEG-4 AVC / H.264 |
| Audio Video Interface | - | Audio / Video Output NTSC, PAL |
| lens features |
| Focal Length | - | 18 - 55 mm |
| Color Filter | - | Primary RGB Color Filter |
| modes and functions features |
| HD Support | - | Yes |
| Shooting Modes | - | Scene Intelligent Auto, No Flash, Creative Auto, HDR Backlight Control, Program AE, Shutter-priority AE, Aperture-priority AE, Manual |