宾得A20 (Pentax A20)

<img title="千万像素防抖卡片 宾得A20售价曝新低 " style="BORDER-RIGHT: black 1px solid; BORDER-TOP: black 1px solid; BORDER-LEFT: black 1px solid; BORDER-BOTTOM: black 1px solid" alt="千万像素防抖卡片 宾得A20售价曝新低 " src="http://img2.zol.com.cn/product/9_450x337/956/ceMq9EfJvvwz.jpg" /><br /> 宾得 A20 <p align="left">　　宾得A20的外形和A10相比，并没有什么明显的区别，金属机身坚固耐用，采用磨沙材质手感不错。从机身上的SR标识来看，A20还是采用宾得的SR防抖技术，SR防抖是通过内置的两个回转感应器，来检测机身的震动，然后使用专用的CPU快速计算所需的补偿数据，来移动CCD达到补偿手震的效果。从工作原理来看，跟柯美的AS防抖非常的相似。</p> <p align="center"><img title="千万像素防抖卡片 宾得A20售价曝新低 " style="BORDER-RIGHT: black 1px solid; BORDER-TOP: black 1px solid; BORDER-LEFT: black 1px solid; BORDER-BOTTOM: black 1px solid" alt="千万像素防抖卡片 宾得A20售价曝新低 " src="http://img2.zol.com.cn/product/9_220x165/967/ceSMLA0buR6.jpg" />&nbsp;<img title="千万像素防抖卡片 宾得A20售价曝新低 " style="BORDER-RIGHT: black 1px solid; BORDER-TOP: black 1px solid; BORDER-LEFT: black 1px solid; BORDER-BOTTOM: black 1px solid" alt="千万像素防抖卡片 宾得A20售价曝新低 " src="http://img2.zol.com.cn/product/9_220x165/968/ceuoZu9okk9DA.jpg" /><br /> 宾得 A20<br /> </p> <p align="left">　　宾得A20采用1/2.5英寸CCD，有效像素1000万。使用等效焦距为38-114mm的3倍光学变焦镜头，最大光圈F2.8-5.4。快门范围1/2000秒 - 4秒。感光度范围：自动、手动(64/100/200/400/800标准输出感光度) ；在模糊减轻模式下, 自动选择感光度（最高可达1600）。宾得A20使用2.5英寸23万像素液晶屏。A20可以拍摄分辨率为640×480分辨率的有声短片，采用率每秒钟30帧。</p> <p align="left"> <table cellspacing="1" cellpadding="0" width="100%" bgcolor="#c5d7ed" border="0"> <tbody> <tr> <td class="param_td" bgcolor="#f1f7fc" colspan="2"> <p>基本规格<br /> </p> </td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">机身类型</td> <td class="param_td2" width="450" bgcolor="#ffffff">消费</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">手动操作</td> <td class="param_td2" width="450" bgcolor="#ffffff">部分手动功能</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">感光元件</td> <td class="param_td2" width="450" bgcolor="#ffffff">CCD</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">感光元件尺寸</td> <td class="param_td2" width="450" bgcolor="#ffffff">1/1.8英寸</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">总像素数</td> <td class="param_td2" width="450" bgcolor="#ffffff">1037万</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">有效像素</td> <td class="param_td2" width="450" bgcolor="#ffffff">1000万</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">最高分辨率</td> <td class="param_td2" width="450" bgcolor="#ffffff">3648*2736</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">图像分辨率</td> <td class="param_td2" width="450" bgcolor="#ffffff">3648 x 2736<br /> 3072 x 2304<br /> 2592 x 1944<br /> 2048 x 1536<br /> 1600 x 1200<br /> 1024 x 768<br /> 640 x 480</td> </tr> <tr> <td class="param_td" bgcolor="#f1f7fc" colspan="2"> <p>镜头特点<br /> </p> </td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">光学变焦</td> <td class="param_td2" width="450" bgcolor="#ffffff">3倍</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">等效于35mm尺寸</td> <td class="param_td2" width="450" bgcolor="#ffffff">38-114</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">数码变焦</td> <td class="param_td2" width="450" bgcolor="#ffffff">4倍</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">广角镜头</td> <td class="param_td2" width="450" bgcolor="#ffffff">否</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">长焦镜头</td> <td class="param_td2" width="450" bgcolor="#ffffff">否</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">镜头结构</td> <td class="param_td2" width="450" bgcolor="#ffffff">3倍光学变焦宾得SMC多层镀膜镜头</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">镜头说明</td> <td class="param_td2" width="450" bgcolor="#ffffff">f=7.9-23.7mm，smc PENTAX 电动变焦镜头</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">伸缩镜头</td> <td class="param_td2" width="450" bgcolor="#ffffff">是</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">对焦方式</td> <td class="param_td2" width="450" bgcolor="#ffffff">TTL对比度检测自动对焦系统，带AF辅助光；对焦区域：5点AF，单点AF，自动追尾AF</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">对焦辅助方式</td> <td class="param_td2" width="450" bgcolor="#ffffff">对焦辅助灯</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">对焦范围</td> <td class="param_td2" width="450" bgcolor="#ffffff">0.35m - 无穷远</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">近拍距离</td> <td class="param_td2" width="450" bgcolor="#ffffff">12cm-40cm；超微距：6cm-15cm</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">光圈范围</td> <td class="param_td2" width="450" bgcolor="#ffffff">F2.8-5.4</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">变焦方式</td> <td class="param_td2" width="450" bgcolor="#ffffff">机械</td> </tr> <tr> <td class="param_td" bgcolor="#f1f7fc" colspan="2"> <p>显示屏<br /> </p> </td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">显示屏尺寸</td> <td class="param_td2" width="450" bgcolor="#ffffff">2.5英寸</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">像素及类型</td> <td class="param_td2" width="450" bgcolor="#ffffff">2.5英寸23.2万像素TFT液晶屏</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">可旋转液晶屏</td> <td class="param_td2" width="450" bgcolor="#ffffff">否</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">取景器描述</td> <td class="param_td2" width="450" bgcolor="#ffffff">无</td> </tr> <tr> <td class="param_td" bgcolor="#f1f7fc" colspan="2"> <p>快门性能<br /> </p> </td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">快门类型</td> <td class="param_td2" width="450" bgcolor="#ffffff">带有CCD电子快门的编程AE电子镜头快门</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">快门速度</td> <td class="param_td2" width="450" bgcolor="#ffffff">1/2000秒 - 4秒</td> </tr> <tr> <td class="param_td" bgcolor="#f1f7fc" colspan="2"> <p>闪光灯<br /> </p> </td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">闪光类型</td> <td class="param_td2" width="450" bgcolor="#ffffff">内置</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">支持热靴</td> <td class="param_td2" width="450" bgcolor="#ffffff">否</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">闪光模式</td> <td class="param_td2" width="450" bgcolor="#ffffff">自动、强制开启、强制关闭、防红眼、慢速同步</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">闪光范围</td> <td class="param_td2" width="450" bgcolor="#ffffff">0.06-7.1m(广角)/0.35-3.5m(长焦)</td> </tr> <tr> <td class="param_td" bgcolor="#f1f7fc" colspan="2"> <p>曝光控制<br /> </p> </td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">曝光模式</td> <td class="param_td2" width="450" bgcolor="#ffffff">程式自动曝光</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">曝光补偿</td> <td class="param_td2" width="450" bgcolor="#ffffff">±2.0 EV 每级1/3EV可调</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">测光方式</td> <td class="param_td2" width="450" bgcolor="#ffffff">TTL测光、多区域测光、中央重点测光、点测光</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">白 平 衡</td> <td class="param_td2" width="450" bgcolor="#ffffff">自动、日光、阴影、白炽灯、荧光灯、手动设定</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">感 光 度</td> <td class="param_td2" width="450" bgcolor="#ffffff">自动、手动(64/100/200/400/800: 标准输出感光度) 在模糊减轻模式下, 自动选择感光度（最高可达1600）</td> </tr> <tr> <td class="param_td" bgcolor="#f1f7fc" colspan="2"> <p>拍摄性能<br /> </p> </td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">防抖性能</td> <td class="param_td2" width="450" bgcolor="#ffffff">光学防抖</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">场景模式</td> <td class="param_td2" width="450" bgcolor="#ffffff">自动图片、程序、夜景、动画、录音、风景、花、人像、儿童、模糊减轻、海浪＆雪景、运动、宠物、文本、菜肴、相框合成、快门优先、手动</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">自拍功能</td> <td class="param_td2" width="450" bgcolor="#ffffff">支持 延迟10秒或2秒</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">连拍功能</td> <td class="param_td2" width="450" bgcolor="#ffffff">支持</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">短片拍摄</td> <td class="param_td2" width="450" bgcolor="#ffffff">640 (640 x 480 像素)、320 (320 x 240 像素)</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">录音/音频系统</td> <td class="param_td2" width="450" bgcolor="#ffffff">支持</td> </tr> <tr> <td class="param_td" bgcolor="#f1f7fc" colspan="2"> <p>操作功能<br /> </p> </td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">菜单语言</td> <td class="param_td2" width="450" bgcolor="#ffffff">英语、法语、德语、西班牙语、葡萄牙语、意大利语、瑞典语、荷兰语、俄罗斯语、韩语、汉语(繁体/简体)、泰语、日语</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">打印模式</td> <td class="param_td2" width="450" bgcolor="#ffffff">PictBridge</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">发布日期</td> <td class="param_td2" width="450" bgcolor="#ffffff">2006年08月</td> </tr> <tr> <td class="param_td" bgcolor="#f1f7fc" colspan="2"> <p>存储性能<br /> </p> </td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">存储卡类型</td> <td class="param_td2" width="450" bgcolor="#ffffff">SDHC卡/SD(如意卡)</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">记录容量</td> <td class="param_td2" width="450" bgcolor="#ffffff">22MB</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">文件格式</td> <td class="param_td2" width="450" bgcolor="#ffffff">静态 JPEG (Exif 2.2)、DCF、DPOF、PRINT Image Matching III；动画 AVI (MPEG-4格式、DivX)、约30fps、有声、动画防抖</td> </tr> <tr> <td class="param_td" bgcolor="#f1f7fc" colspan="2"> <p>接口性能<br /> </p> </td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">数据接口</td> <td class="param_td2" width="450" bgcolor="#ffffff">USB2.0</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">视频接口</td> <td class="param_td2" width="450" bgcolor="#ffffff">AV输出<br /> NTSC / PAL<br /> DC输入</td> </tr> <tr> <td class="param_td" bgcolor="#f1f7fc" colspan="2"> <p>电池性能<br /> </p> </td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">电池类型</td> <td class="param_td2" width="450" bgcolor="#ffffff">专用锂电池D-L18</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">外接电源</td> <td class="param_td2" width="450" bgcolor="#ffffff">可选AC适配器</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">续航能力</td> <td class="param_td2" width="450" bgcolor="#ffffff">150张图像</td> </tr> <tr> <td class="param_td" bgcolor="#f1f7fc" colspan="2"> <p>外观设计<br /> </p> </td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">外形设计</td> <td class="param_td2" width="450" bgcolor="#ffffff">银色</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">轻巧机身</td> <td class="param_td2" width="450" bgcolor="#ffffff">是</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">时尚超薄</td> <td class="param_td2" width="450" bgcolor="#ffffff">否</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">大屏幕LCD</td> <td class="param_td2" width="450" bgcolor="#ffffff">是</td> </tr> <tr> <td class="param_td" bgcolor="#f1f7fc" colspan="2"> <p>其他性能<br /> </p> </td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">外形尺寸</td> <td class="param_td2" width="450" bgcolor="#ffffff">88.5 x 54.5 x 23 mm</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">产品重量</td> <td class="param_td2" width="450" bgcolor="#ffffff">125 g</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">随机附件</td> <td class="param_td2" width="450" bgcolor="#ffffff">USB电缆，用户手册，保修卡，电池，AV视频线、CD-ROM光盘</td> </tr> <tr> <td class="param_td1" valign="middle" align="left" width="100" bgcolor="#ffffff">随机软件</td> <td class="param_td2" width="450" bgcolor="#ffffff">驱动程序，图象编辑软件</td> </tr> </tbody> </table> </p>