• 1/2.33 inch 28.2mm2
  • 16.0 megapixels
  • 25.00mm - 450.00mm (35mm eq.)
  • 1/2.3 inch 28.1mm2
  • 12.1 megapixels
  • 24.00mm - 720.00mm (35mm eq.)
  • Detailed specifications
  • Pentax Optio RZ18
  • Panasonic Lumix DMC-ZS50
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Prices: Compare Prices Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:   Panasonic ZS60
ZS50 vs ZS60
General
Model Number: RZ18 ZS50
Alternate Model Number(s):   TZ70
Camera Format: Compact Compact
Currently Manufactured: No No
Retail Price: $299.95 $399.99
Street Price: $209.99 $299.00
Date Available: 2011-10-31 2015-04-01
Tripod Mount: Yes Yes
Weight: 6.7 oz (190 g)
includes batteries
8.6 oz (243 g)
includes batteries
Size: 4.3 x 2.4 x 1.4 in.
(109 x 61 x 36 mm)
4.4 x 2.5 x 1.4 in.
(111 x 65 x 34 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CMOS
Sensor Manufacturer:    
Effective Megapixels: 16.0 12.1
Sensor Format: 1/2.33 inch 1/2.3 inch
Sensor size: 28.198mm2 (6.13mm x 4.6mm) 28.0735mm2 (6.17mm x 4.55mm)
Approximate Pixel Pitch: 1.33 microns 1.54 microns
Focal Length Multiplier: n/a n/a
Aspect Ratio: 4:3 4:3
Color Filter Type:   RGBG
Anti Aliasing Filter:    
Self-Cleaning: No No
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score:   44
DxO Color Depth Score (bits):   20.0
DxO Dynamic Range Score (evs):   11.2
DxO Maximum Effective ISO Score (iso):   138
Image Capture
Image Resolution: 4608 x 3456 (15.9 MP, 4:3),
3456 x 3456 (11.9 MP, 1:1),
4608 x 2592 (11.9 MP, 16:9),
3072 x 2304 (7.1 MP, 4:3),
1920 x 1080 (2.1 MP, 16:9),
640 x 480 (0.3 MP, 4:3)
4000 x 3000 (12.0 MP, 4:3),
4000 x 2672 (10.7 MP, 3:2),
4000 x 2248 (9.0 MP, 16:9),
2992 x 2992 (9.0 MP, 1:1),
3264 x 2448 (8.0 MP, 4:3),
3264 x 2176 (7.1 MP, 3:2),
3840 x 2160 (8.3 MP, 16:9),
2448 x 2448 (6.0 MP, 1:1),
2560 x 1920 (4.9 MP, 4:3),
2560 x 1712 (4.4 MP, 3:2),
2560 x 1440 (3.7 MP, 16:9),
1920 x 1920 (3.7 MP, 1:1),
2048 x 1536 (3.1 MP, 4:3),
2048 x 1360 (2.8 MP, Other),
1920 x 1080 (2.1 MP, 16:9),
1536 x 1536 (2.4 MP, 1:1),
640 x 480 (0.3 MP, 4:3),
640 x 424 (0.3 MP, Other),
640 x 360 (0.2 MP, 16:9),
480 x 480 (0.2 MP, 1:1)
Image File Format: JPG (EXIF 2.3) JPEG (EXIF v2.3), MPO, RAW, RAW+JPEG
Continuous-mode frames/second: n/a 10.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (30)
1280x720 (15)
640x480 (30)
640x480 (15)
320x240 (30)
320x240 (15)
1920x1080 (60p/​60i/​30p)
1280x720 (60p/​30p)
640x480 (30p)
1280x720 (120p)
640x480 (240p)
Movie File Format: AVI (Motion JPG) AVCHD or MP4 with stereo audio
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes No
Video Usable as Viewfinder:
HD Video Out: No Yes
HD Video Connection: HDMI
Lens & Optics
Lens Mount: n/a n/a
Lens: smc PENTAX zoom lens, 12 elements, 11 groups, 4 aspheric elements LEICA DC VARIO-ELMAR, 12 elements in 9 groups with 5 Aspherical elements, 10 Aspherical surfaces and 3 ED elements
Focal Length (35mm equivalent): 25 - 450mm 24 - 720mm
Focal Length (actual): 4.5 - 81mm 4.3 - 129mm
Zoom Ratio: 18.00x 30.00x
Aperture Range: f/3.5 (wide) / f/5.9 (tele) - ??? f/3.3 - 8.0 (W) / f/6.4 - 8.0 (T) Multistage Iris Diaphragm
Integrated ND Filter: No No
Normal Focus Range: 40 cm to Infinity
15.7 in to Infinity
50 cm to Infinity
19.7 in to Infinity
Macro Focus Range: 4 - 50 cm
1.6 - 19.7 in
3 cm to Infinity
1.2 in to Infinity
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: Yes Yes
Digital Zoom Values: 7.2x Up to 4x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 9-point / spot TTL contrast detection w/ tracking Contrast Detect: Face / AF Tracking / 23pt / 1pt / Spot / Touch Area
Auto Focus Assist Light? No Yes
Manual Focus: Yes Yes
Viewfinder
Viewfinder: LCD EVF / LCD
Viewfinder Type:   EVF: 0.2-inch, 1,166K dots equiv. LCD; 100% Coverage, Lens 19.6x Magnification: Approx. 2.56x / 0.46x (35 mm camera equivalent), Eye Sensor
Focus Peaking: No Yes
EVF Resolution: n/a 389,000 dots (129,600 pixels)
Viewfinder Magnification (35mm equivalent):   0.46x
Viewfinder Magnification (nominal/claimed):   2.56x
Display
Eye-level Viewfinder: No Yes
Rear Display: Yes Yes
Rear Display Size (inches): 3.0 3.0
Rear Display Resolution: 460,000 dots 1,040,000 dots
Touchscreen: No No
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom: 10.0x 16.0x
Top Deck Display:
Exposure
Maximum ISO (native):   6400
Minimum ISO (native):   80
ISO Settings: Auto (80 to 1,600), 80-1,600 (full res), 3,200 to 6,400 (5 megapixel or below) Auto, iISO,80, 100, 200, 400, 800, 1600, 3200, 6400
Auto ISO Mode: No Yes
White Balance Settings: Auto, Daylight, Shade, Tungsten, Fluorescent, Manual Auto, Daylight, Cloudy, Shade, Incandescent, White Set
Shutter Speed Range: 1/2000 - 4 sec 1/2000 - 60 sec
Bulb Mode: No No
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: Multi, Center-weighted, Spot Intelligent Multiple, Center Weighted, Spot
Program Auto Exposure: Yes Yes
Aperture Priority: No Yes
Shutter Priority: No Yes
Full Manual Exposure: No Yes
Creative Exposure Modes: Portrait, Night Scene Portrait, Night Scene, Landscape, Blue Sky, Sunset, Flower, Sport, Pet, Digital SR (ISO 3200-6400 5M), Natural Skin Tone, Kids, Fireworks, Frame Composite (3M), Party, Food, Candlelight, Text, Surf & Snow, Digital Wide (5M), Digital Panorama (2M per frame) Panorama Shot, Scene (Portrait, Soft Skin, Scenery, Sports, Night Portrait, Night Scenery, Handheld Night Shot, Food, Baby1, Baby2, Pet, Sunset, High Sensitivity, Glass Through, HDR, Starry Sky, High Speed Video, 3D Photo), Creative Control (Expressive, Retro, Old Days, High Key, Low Key, Sepia, Dynamic Monochrome, Impressive Art, High Dynamic, Cross Process, Toy Effect, Miniature Effect, Soft Focus, Star Filter, One Point Color (15 filters))
Self Timer: 10s, 2s, Remote 3s seconds 2 or 10 seconds
Time Lapse (intervalometer): No Yes
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Flash Off, Flash On, Auto + Redeye, On + Redeye Auto, Auto/Red-eye Reduction, Forced On, Slow Sync./Red-eye Reduction, Forced Off
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: n/a Auto ISO: 0.6 - 6.4m (Wide), 1.0 - 3.3m (Tele)
Max Flash Sync:    
Flash Exposure Compensation:    
External Flash Connection: n/a 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: No Yes
Uncompressed Format:   RAW, RAW+JPEG
Movie File Format: AVI (Motion JPG) AVCHD or MP4 with stereo audio
Included Memory: 96.0 MB 86.0 MB
Included Memory Type: built-in memory Internal
Connectivity
Built-In Wi-Fi: No Yes
NFC: No Yes
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,WiFi
PictBridge Compliant: No Yes
DPOF Compliant: Yes Yes
Remote Control: Yes Yes
Remote Control Type: Optional infrared Via Wi-Fi
Connections (extended): DC input Micro (Type-D) HDMI, Built-in Wi-Fi with NFC
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):   10.0
Buffer size for JPEG shooting in burst mode (frames, max resolution):   6
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):   300 shots
Battery Life, Still (CIPA Rating OVF/EVF):   300 shots
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI92 Proprietary
Usable Battery Types: Lithium-ion rechargeable 3.6V, 1250mAh Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI92 lithium-ion rechargeable 1 x Proprietary Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included: No
Internal Charging Supported: Yes
Software
Included Software: Software CD-ROM S-SW121 PHOTOfunSTUDIO 9.6 PE, LoiLoScope (trial version), Adobe Reader
OS Compatibility:    
Miscellaneous
Notes & Features: 30x zoom with optical image stabilization, 12.1MP High Sensitivity MOS sensor, 1166k-dot EVF with eye-sensor, 1080p60 video, 10fps full-res burst shooting, built-in Wi-Fi with NFC. Available in black or silver.