• 1/2.3 inch 28.1mm2
  • 14.0 megapixels
  • 28.00mm - 140.00mm (35mm eq.)
  • 1/2.33 inch 28.2mm2
  • 16.1 megapixels
  • 24.00mm - 480.00mm (35mm eq.)
  • Detailed specifications
  • Pentax Optio S1
  • Panasonic Lumix DMC-ZS35
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Prices:   Compare Prices
Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: S1 ZS35
Alternate Model Number(s):   TZ55
Camera Format: Ultra Compact Compact
Currently Manufactured: No No
Retail Price: $199.95 $299.99
Street Price:   $299.99
Date Available: 2011-03-15 2014-01-30
Tripod Mount: Yes Yes
Weight: 4.4 oz (125 g)
includes batteries
8.8 oz (250 g)
includes batteries
Size: 3.6 x 2.1 x 0.8 in.
(92 x 54 x 21 mm)
4.2 x 2.4 x 1.3 in.
(107 x 62 x 32 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CMOS
Sensor Manufacturer:    
Effective Megapixels: 14.0 16.1
Sensor Format: 1/2.3 inch 1/2.33 inch
Sensor size: 28.0735mm2 (6.17mm x 4.55mm) 28.198mm2 (6.13mm x 4.6mm)
Approximate Pixel Pitch: 1.44 microns 1.33 microns
Focal Length Multiplier: n/a n/a
Aspect Ratio: 4:3 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter:    
Self-Cleaning: No No
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score:    
DxO Color Depth Score (bits):    
DxO Dynamic Range Score (evs):    
DxO Maximum Effective ISO Score (iso):    
Image Capture
Image Resolution: 4288 x 3216 (13.8 MP, 4:3),
3216 x 3216 (10.3 MP, 1:1),
4224 x 2376 (10.0 MP, 16:9),
3072 x 2304 (7.1 MP, 4:3),
1600 x 1200 (1.9 MP, 4:3),
640 x 480 (0.3 MP, 4:3)
4608 x 3456 (15.9 MP, 4:3),
4608 x 3072 (14.2 MP, 3:2),
4608 x 2592 (11.9 MP, 16:9),
3456 x 3456 (11.9 MP, 1:1),
3264 x 2448 (8.0 MP, 4:3),
3264 x 2176 (7.1 MP, 3:2),
2048 x 1536 (3.1 MP, 4:3),
2048 x 1360 (2.8 MP, Other),
1536 x 1536 (2.4 MP, 1:1),
1920 x 1080 (2.1 MP, 16:9),
640 x 480 (0.3 MP, 4:3)
Image File Format: JPEG (Exif 2.3) JPEG (EXIF v2.3)
Continuous-mode frames/second: n/a 10.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (30/​15)
640x480 (30/​15)
320x240 (30/​15)
1920x1080 (30p)
1280x720 (30p)
640x480 (30p)
Movie File Format: AVI (Motion JPEG) MP4 with monaural audio
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes No
Video Usable as Viewfinder:
HD Video Out: Yes
HD Video Connection: HDMI
Lens & Optics
Lens Mount: n/a n/a
Lens: Pentax zoom lens, 9 elements in 8 groups, 4 aspheric elements LEICA DC VARIO-ELMAR, 12 elements in 10 groups, 3 Aspherical, 2 ED elements
Focal Length (35mm equivalent): 28 - 140mm 24 - 480mm
Focal Length (actual): 5 - 25mm 4.3 - 86mm
Zoom Ratio: 5.00x 20.00x
Aperture Range: f/3.9 (wide) / f/5.7 (tele) - ??? f/3.3 - 8.0 (W) / f/6.4 - 8.0 (T) Multistage Iris Diaphram
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: 1 - 30 cm
0.4 - 11.8 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: Up to 7x; Intelligent Zoom up to 33.5x at VGA Up to 4x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 9-point Contrast Detection with face detection, spot, pan, and auto tracking modes Contrast Detect: Face / AF Tracking / 23pt / 1pt / Spot
Auto Focus Assist Light? No Yes
Manual Focus: Yes No
Viewfinder
Viewfinder: LCD No / LCD
Viewfinder Type:    
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): 2.7 3.0
Rear Display Resolution: 230,000 dots 460,000 dots
Touchscreen: No No
Articulating Screen: No Yes
Tilt Swivel Screen: No
Selfie Screen: No
Max Playback Zoom:   16.0x
Top Deck Display:
Exposure
Maximum ISO (native):   3200
Minimum ISO (native):   100
ISO Settings: Auto: TBD, Manual: TBD Auto, iISO, 100, 200, 400, 800, 1600, 3200; High Sensitivity mode (ISO 1600-6400)
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Tungsten, Fluorescent , Manual Auto, Daylight, Cloudy, Shade, Incandescent, White Set
Shutter Speed Range: 1/1600 - 4 sec 1/2000 - 30 sec
Bulb Mode: No No
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: Multi-segment, 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: Auto Picture (Landscape, Portrait, Night Scene, Night Scene Portrait, Standard, Flower, Sport, Candlelight, Blue Sky, Sunset, Text, Group Photo, Portrait x Blue Sky, Portrait x Sunset, Portrait x Backlight), Blue Sky, Landscape, Flower, Sunset, Night Scene, Night Scene Portrait, Portrait, Natural Skin Tone, Food, Digital SR, Kids, Pet, Sport, Surf & Snow, Fireworks, Frame Composite, Party, Candlelight, Text, Miniature, HDR 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), 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: 2 or 10 seconds 2 or 10 seconds
Time Lapse (intervalometer):    
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: 12 ft (wide, auto ISO), 8.2 ft (tele, auto ISO) Auto ISO: 0.6 - 6.0m (Wide), 1.0 - 3.1m (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 No
Uncompressed Format:    
Movie File Format: AVI (Motion JPEG) MP4 with monaural audio
Included Memory: 0.0 MB 70.0 MB
Included Memory Type:   Internal
Connectivity
Built-In Wi-Fi: No Yes
NFC: No
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 IR Via Wi-Fi
Connections (extended):   Micro (Type-D) HDMI
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):    
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):   350 shots
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI78 Proprietary
Usable Battery Types: Lithium-ion rechargeable 3.6V, 1250mAh Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI78 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: Pentax Software CDROM  
OS Compatibility:    
Miscellaneous
Notes & Features: Sensor-shift Shake Reduction (SR), 720p HD movies, Auto Picture mode detects 14 scene types, Face Detection, Smile Capture, Blink Detection, High Dynamic Range (HDR) mode, 9 digital filters, optional IR remote, in-body recharge system. Available in chrome, black or green finishes. 20x zoom with optical image stabilization, tilting LCD, 1080p30 Full HD video, built-in Wi-Fi.