• 4/3 224.9mm2
  • 12.3 megapixels
  •  
  • 1/2.33 inch 28.2mm2
  • 14.1 megapixels
  • 24.00mm - 480.00mm (35mm eq.)
  • Detailed specifications
  • Olympus PEN E-PM1
  • Panasonic Lumix DMC-ZS20
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Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: E-PM1 ZS20
Alternate Model Number(s):   TZ30
Camera Format: Compact System Camera Compact
Currently Manufactured: No No
Retail Price: $499.99 $299.99
Street Price:   $217.47
Date Available: 2011-09-15 2012-03-15
Tripod Mount: Yes Yes
Weight: 13.5 oz (382 g)
includes batteries, kit lens
7.3 oz (207 g)
includes batteries
Size: 4.3 x 2.5 x 1.3 in.
(110 x 64 x 34 mm)
4.1 x 2.3 x 1.1 in.
(105 x 59 x 28 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: Live MOS CMOS
Sensor Manufacturer: Panasonic  
Effective Megapixels: 12.3 14.1
Sensor Format: 4/3 1/2.33 inch
Sensor size: 224.9mm2 (17.30mm x 13.00mm) 28.198mm2 (6.13mm x 4.6mm)
Approximate Pixel Pitch: 4.29 microns 1.42 microns
Focal Length Multiplier: 2.0x n/a
Aspect Ratio: 4:3 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter: Fixed  
Self-Cleaning: Yes No
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score: 52  
DxO Color Depth Score (bits): 21.0  
DxO Dynamic Range Score (evs): 10.3  
DxO Maximum Effective ISO Score (iso): 499  
Image Capture
Image Resolution: 4032 x 3024 (12.2 MP, 4:3),
3200 x 2400 (7.7 MP, 4:3),
2560 x 1920 (4.9 MP, 4:3),
1920 x 1440 (2.8 MP, 4:3),
1600 x 1200 (1.9 MP, 4:3),
1280 x 960 (1.2 MP, 4:3),
1024 x 768 (0.8 MP, 4:3),
640 x 480 (0.3 MP, 4:3)
4320 x 3240 (14.0 MP, 4:3),
4320 x 2880 (12.4 MP, 3:2),
4320 x 2432 (10.5 MP, 16:9),
3648 x 2736 (10.0 MP, 4:3),
3648 x 2432 (8.9 MP, 3:2),
3648 x 2056 (7.5 MP, Other),
3072 x 2304 (7.1 MP, 4:3),
3072 x 2048 (6.3 MP, 3:2),
3072 x 1728 (5.3 MP, 16:9),
2560 x 1920 (4.9 MP, 4:3),
2560 x 1712 (4.4 MP, 3:2),
2560 x 1440 (3.7 MP, 16:9),
2048 x 1536 (3.1 MP, 4:3),
2048 x 1360 (2.8 MP, Other),
1920 x 1080 (2.1 MP, 16:9),
640 x 480 (0.3 MP, 4:3),
3232 x 3232 (10.4 MP, 1:1),
2736 x 2736 (7.5 MP, 1:1),
2304 x 2304 (5.3 MP, 1:1),
1920 x 1920 (3.7 MP, 1:1),
1536 x 1536 (2.4 MP, 1:1),
480 x 480 (0.2 MP, 1:1),
640 x 424 (0.3 MP, Other),
640 x 360 (0.2 MP, 16:9)
Image File Format: JPEG (EXIF 2.2), MPO (3D), 12-bit RAW (.ORF) JPEG (EXIF v2.3), MPO
Continuous-mode frames/second: 5.3 10.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1920x1080 (60i (20Mbps/​17Mbps))
1280x720 (60p (17Mbps/​13Mbps))
1280x720 (30p)
640x480 (30p)
1920x1080 (60p/​60i/​30p)
1280x720 (60p/​30p)
640x480 (30p)
320x240 (220p)
Movie File Format: AVCHD, Motion JPEG AVCHD or MP4 with stereo audio, Motion JPEG with no sound for High Speed video
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: No
Video Usable as Viewfinder:
HD Video Out: Yes Yes
HD Video Connection: HDMI HDMI
Lens & Optics
Lens Mount: Micro Four Thirds n/a
Lens: Olympus 14-42mm f/3.5-5.6 II R MSC M.Zuiko Digital Zoom Lens LEICA DC VARIO-ELMAR, 12 elements in 10 groups, 3 Aspherical, 2 ED elements
Focal Length (35mm equivalent): 28 - 84mm 24 - 480mm
Focal Length (actual): 14 - 42mm 4.3 - 86mm
Zoom Ratio: 3.00x 20.00x
Aperture Range: f/3.5 (wide) / f/5.6 (tele) - f/22 f/3.3 - 8.0 (W) / f/6.4 - 8.0 (T) Multistage Iris Diaphram
Integrated ND Filter: No No
Normal Focus Range: 25 cm to Infinity
9.8 in to Infinity
50 cm to Infinity
19.7 in to Infinity
Macro Focus Range:   3 cm to Infinity
1.2 in to Infinity
Filter Thread: 37.0mm n/a
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: Yes Yes
Digital Zoom Values: 2x Up to 4x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: Contrast Detect: High-speed, 35-point with Face Detection and Tracking. Auto from all 35 area, Single area from 35 area, Group Target area (9 area) from 35 area, Up to 8 Faces Detected Contrast Detect: Face / AF Tracking / 23pt / 1pt / Spot / Touch Area
Auto Focus Assist Light? Yes Yes
Manual Focus: Yes No
Viewfinder
Viewfinder: No / LCD LCD
Viewfinder Type: Optional EVF mounted in flash hotshoe  
Focus Peaking: No No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent):    
Viewfinder Magnification (nominal/claimed):    
Display
Eye-level Viewfinder: No No
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 460,000 dots 460,000 dots
Touchscreen: No Yes
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 14.0x 16.0x
Top Deck Display: No
Exposure
Maximum ISO (native):    
Minimum ISO (native):    
ISO Settings: Auto (customizable range), 200 - 12800 (1/3, 1 EV steps) Auto, iISO, 100, 200, 400, 800, 1600, 3200; High Sensitivity mode (ISO 1600-6400)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Lamp, Fluorescent, Daylight, Flash, Cloudy, Shade, Underwater, Custom WB, One-touch WB Auto, Daylight, Cloudy, Shade, Incandescent, White Set
Shutter Speed Range: 1/4000 - 60 sec 1/2000 - 60 sec
Bulb Mode: Yes No
Exposure Compensation: +/- 3.0EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: 324-zone Digital ESP, Center Weighted Average, Spot (~1%, with Highlight/Shadow modes) Intelligent Multiple, Center Weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: Yes Yes
Shutter Priority: Yes Yes
Full Manual Exposure: Yes Yes
Creative Exposure Modes: Portrait, e-Portrait, Landscape, Landscape + Portrait, Macro, Sport, Night Scene, Night + Portrait, Children, High Key, Low Key, DIS mode, Nature Macro, Candle, Sunset, Document, Panorama, Fireworks, Beach & Snow, Fisheye Conv, Wide Conv, Macro Conv, 3D, Underwater wide, Underwater macro; Art Filters (Pop Art, Soft Focus, Grainy Film, Pin Hole, Diorama, Dramatic Tone) Portrait, Soft Skin, Scenery, Panorama Shot, Sports, Night Portrait, Night Scenery, Hand Held Night Shot, HDR, Food, Baby1, Baby2, Pet, Sunset, High Sensitivity, Glass Through, Underwater, High Speed Video; 3D Photo; Creative Control (Expressive, Retro, High Key, Low Key, Sepia, Dynamic Monochrome, High Dynamic, Toy Effect, Miniature, Soft Focus)
Self Timer: 2 or 12 seconds 2 or 10 seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: No Yes
Flash Modes: Auto, Red-eye reduction, Red-eye reduction slow sync., Slow sync at 1st curtain, Slow sync at 2nd curtain, Fill-in, Manual (Full, 1/2, 1/4, 1/8, 1/16, 1/32, 1/64), Off. Wireless flash control supported. Auto, Auto/Red-eye Reduction, Forced On, Slow Sync./Red-eye Reduction, Forced Off
Flash Guide Number (ISO 100): 7.0 m / 23.0 ft. n/a
Flash Range Description: Bundled external flash has GN of 7m (ISO 100) or 10m (ISO 200) 0.6 - 6.4m (Wide/ISO Auto), 1.0 - 3.3m (Tele/ISO Auto)
Max Flash Sync: 1/160  
Flash Exposure Compensation: +/- 3.0 EV in 0.3EV steps  
External Flash Connection: Hot-Shoe n/a
Built-In Wireless Flash Control:    
Image Storage
Usable Memory Types: SD / SDHC / SDXC SD / SDHC / SDXC
UHS Support:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: Yes No
Uncompressed Format: 12-bit RAW (.ORF)  
Movie File Format: AVCHD, Motion JPEG AVCHD or MP4 with stereo audio, Motion JPEG with no sound for High Speed video
Included Memory:   12.0 MB
Included Memory Type:   Internal
Connectivity
Built-In Wi-Fi: No No
NFC: No
Bluetooth: No No
Built-In GPS: No Yes
Microphone Jack: No No
Headphone Jack: No No
External Connections: USB 2.0 High Speed USB 2.0 High Speed
PictBridge Compliant: Yes Yes
DPOF Compliant: Yes Yes
Remote Control: Yes No
Remote Control Type: Optional RM-UC1 wired remote  
Connections (extended): Accessory Port 2, Multi Connector (USB/AV/Remote), Mini HDMI (Type C) Mini HDMI
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution): 0.59 0.66
Cycle time for RAW shooting in single shot mode (seconds per frame): 0.57  
Buffer size for RAW shooting in single shot mode (frames): 15  
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):    
Camera penalizes early shutter press? No
JPEG shooting speed in burst mode (fps, max resolution): 5.3 10.0
Buffer size for JPEG shooting in burst mode (frames, max resolution): 9 10
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): 0.25 seconds 0.26 seconds
Shutter lag (full AF, tele):   0.24 seconds
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus): 0.112 seconds  
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused): 0.075 seconds 0.018 seconds
Shutter Lag (notes): Full Autofocus Lag, Multi-area AF mode = 0.289s  
Startup Time: 1.8 seconds 2.4 seconds
Play -> Record Time: 0.5 seconds 1.1 seconds
Flash cycle time, full power: 4.7 seconds 5.2 seconds
Power
Battery Life, Stills (CIPA Rating Monitor/Live View): 330 shots 260 shots
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: Proprietary BLS-1 or BLS-5 Proprietary
Usable Battery Types: Lithium-ion rechargeable 3.6V, 895mAh Lithium-ion rechargeable
Batteries Included: Proprietary BLS-1 Lithium-ion rechargeable 1 x Proprietary Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included:
Internal Charging Supported:
Software
Included Software: OLYMPUS Viewer 2/[ib] CD-ROM LUMIX Map Tool, PHOTOfunSTUDIO 8.1 Premium Edition, Adobe Reader
OS Compatibility:    
Miscellaneous
Notes & Features: Sensor-shift Image Stabilization, TruePic VI Image Processor, "FAST" AF System, Full HD movies, 6 Art Filters, Bundled External Flash. Available in Purple, Silver, Pink, White, Black and Brown. Optical Image Stabilization, Touchscreen LCD, Full HD Movies, Built-in GPS, High-speed Burst modes. Available in in black, red, white, or silver.