日本Pentax公司宣布推出320万像素的3X变焦的数码相机：

Optio S





Optio S采用了SMC PentaxX镜头5.8-17.4/2.6-4.8，相当于135画幅的35-105的镜头。光学结构6片/5组。为了适应小巧的外形，镜头采用了滑动结构设计：在关闭的时候，镜头中间3片会偏离光学中轴，类似两个镜头并列。通电开启时，该3片镜片会滑动回光学中轴。



Optio S号称是最小的320万像素的变焦数码相机，体积为83mm x 52mm x 20mm，重量为98g。内置11MB的闪存和1.6英寸的TFT LCD，可以使用SD存储卡。


详细规格指标

Effective Pixels
3.2 megapixels

Image Capture Device
Type - 1/2.5 inch interline transfer CCD with a primary color filter

Total Pixels ?3.34 megapixels

Color Depth - 10 bit x 3 colors

Focus System
Type - TTL contrast detection autofocus system

Autofocus - 7 point AF, Spot AF & Infinity Landscape Mode

Manual Focus - 2.4 inches (0.06m) to Infinity

Focusing Range - Normal: 1.31 ft (0.4m) to Infinity; Macro: 7.1 inches (0.18 m) to 1.64 ft (0.5m); Super Macro: 2.4 inches (0.06m) to 7.9 inches (0.2m) at 10.2mm

Lens
smc PENTAX power zoom

Focal Length - 5.8mm- 17.4mm

35mm Equivalent - 35mm-105mm

Aperture Range - f2.6- f4.8

Construction - 6 elements in 5 groups (2 dual-sided aspherical elements)

Optical Zoom - 3 X

Digital Zoom - 2 X

Combined - 6 X

Exposure Control
Light Metering Method - TTL metering with choice of: Multi-segment, Center-weighted & Spot meter

Sensitivity - Auto, or user select ISO 50, 100, 200

Exposure Control Method - Program AE

Exposure Modes - Program, Picture mode, Night scene, Movie, Panorama assist, 3D image, Digital filter, User

Exposure Compensation - +/-2 EV (1/3 steps)

Shutter
Type - Programmed AE electronic lens shutter with CCD electronic shutter. Shutter Speed ?approx. 1/2000 - 1 second

White Balance
White Balance Control - TTL Auto, Pre-set, Custom White Balance

Available Settings - Auto, Daylight, Shade, Tungsten Light, Fluorescent Light, Manual

Flash
Operation Modes - Auto, Flash-Off, Flash-On, Auto + red-eye reduction, Flash-On + red-eye reduction

Viewfinders
Optical Viewfinder - Actual Image zoom viewfinder

LCD Monitor - 1.6 inch, TFT color LCD- with Histogram Display

LCD coverage - 100%

Shooting Specifications
Shooting Modes - Program, Picture mode, Night scene, Movie, Panorama assist, 3D image, Digital filter, User

Picture Modes - Landscape, Flower, Portrait, Self-portrait, Surf & Snow, Autumn color, Sunset

Digital Filter - Black & White, Sepia, Red, Pink, Yellow, Green, Blue, Purple, Slim

Drive Modes - One-Shot, Continuous, Remote control, Self-timer-10 sec.

Movie Mode - Up to 30 seconds with sound

Time
Modes - dd/mm/yy, mm/dd/yy, yy/mm/dd

World Time - Display of the time in 62 cities (28 time zones)

Alarm Clock - Displays image with alarm (maximum of three memory settings)

Image Storage
Storage Media - 11MB built-in memory, SD memory card/MMC-removable

File Formats - Design rule for Camera File system (DCF)

Print Order Format - Digital Print Order Format (DPOF)

Image Recording Format: Still - JPEG (Exif 2.2); Movie - AVI (Open DML motion JPEG Format) 12fps; Sound - WAV (ADPCM), Monaural

JPEG Compression Mode - Good, Better, Best

Playback Specifications
Playback Modes File - Single, Index- Nine image

Magnification - 4X

Slide Show - in playback mode

Erasing Specifications
Erase Modes - Single, All

Image Protect - Single, All

Interfaces
AV output terminal, USB terminal, DC input terminal

Video output - Compatible with NTSC and PAL formats (monaural sound)

Power Supply
Power Source - Rechargeable lithium-ion D-LI8 battery, AC adaptor kit (optional)

Physical Specifications
Operating temperatures - 32 Degrees ?104 Degrees F (0 ?40 Degrees Celsius)

Camera Casing ?Aluminum alloy

Dimensions (WxHxD) - 3.3x2.0x0.8 Inches (83x52x20mm)

Weight - 3.5 oz (98g) without battery and SD memory card; 4.1 oz (115g) loaded and ready

Computer System

Requirements
Mac Requirements - OS: Mac OS 8.6 or later (QuickTime 4.0 or later to view movies), CPU: Power PC 266MHz or higher, Memory: 8MB or more, Hard disk space:6MB or more, Standard equipped USB port

PC Requirements - OS: Windows 98,98 second edition, 2000, Me, XP Home edition / Professional, CPU: Pentium or later recommended, Memory:64MB or more, Hard disk space: 15MB or more, Standard equipped USB port

Kit Inclusions
Optio S Camera, Rechargeable Lithium-ion Battery, Battery Charger with AC Plug Cord, AV Cable, USB Cable, 3D Image Viewer, Software (CD ROM) ?ACDSeeTM, USB Driver, Strap (O-ST5), Operating Manual, Serial Number Card, Product Registration Card, Service Network Directory

我提一个CANON S400
項目 規格
CCD 解析度 有效 400 萬像素
CCD 尺寸 1/1.8" 原色 CCD
影像大小 2272×1704
其它大小 1600 ×1200, 1024 ×768, 640 ×480
動態 320x240(最長 3min), 160x120
ISO 感光度 Auto, 50 / 100 / 200 / 400
光學變焦 36~108 mm , 3x
數位變焦 3.6x
自動對焦 支援
手動對焦 支援
一般對焦範圍 46cm ~ 無限遠
近拍對焦範圍 10~50 cm(W); 33~50 cm(T)
快門速度 15s - 1/2000s
內建閃光燈  Yes
外接閃光燈 No
閃光燈模式 自動, 強制閃光, 強制不閃光, 慢速(I,II), 消除紅眼
閃光燈指數 30cm~3.5m(W); 30cm~2.0m(T)
白平衡 自動 / 預設 ( 白天, 陰天, 鎢絲燈, 螢光燈, 閃光燈, 螢光燈 (H)/ 自訂
曝光補償 -2EV to +2EV 以 1/3EV 級調整
測光方式 評價模式，※※加權平均測光，點測光
光圈優先 --
快門優先 --
全手動控制 不支援
光圈範圍 F2.8~F4.9
鏡頭轉接環 --
連拍 2.5fps(high) / 1.5fps(normal)
遠端遙控 No
三角架使用 支援
自拍 支援, 10s / 2s 延遲
視訊輸出 支援
儲存媒體 Compact Flash (Type I)
隨機記憶體 32MB
不壓縮格式 No
壓縮格式 JPEG (EXIF)
畫質選擇 Super Fine, Fine, Normal
觀景窗 光學觀景窗
液晶螢幕 1.5" TFT
序列介面 usb
使用電池 NB-1LH 專用鋰電  
重量 185 g(不含電池,記憶卡)
尺寸規格 87x57x27.8 mm  
其他