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- 31286
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- 公司
- 北京凰亭子影视器材租赁
- 注册时间
- 2013-1-8
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导演,摄影
- 注册时间
- 2013-1-8
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楼主 |
发表于 2013-1-17 23:08
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东方鳄鱼 发表于 2013-1-17 09:48 
这个无线跟焦很棒!啥品牌?进口?国产?DIY?楼主详细给说说!谢谢
反应不错都说挺好用
美国巴特无线跟焦器 BarTech Focus Device - Focus Model
特点:
- 900 MHz的数据传输,有8个可选的子通道
-旋转式控制模块,可同时锁定等单位进行多通道操作(显示对焦单位)
-可换1通道接收器/放大器模块,每个远程摄像机运行输出
- 12位分辨率,所有12位始终可用(A)
-快速,简单的一通手动镜头校准
-通过一种廉价的9V电池(18小时运行)
-的直接电位器的输入接收器/放大器的伺服控制模块技术式操作,或直接连接发射机到接收机(硬线)
-自动待机省电模式和低电量指示器
-马达自动关闭以节省电源发射器规格: -尺寸/重量:约。7“×3½”×1½“/ 1½磅。-功率:30毫安7日至15 VDC(9 mA的低功耗模式)- RF传输:902�9�1928 MHZ单频,部分15 FCC兼容 ,分辨率:12 -位(4096步),所有步骤总是使用 ,数据更新率:350 +传输/秒-传输延迟:3毫秒的模拟接收器: -尺寸/重量::约。4½“3½”1½“/约。11盎司- 最大功率:50毫安@ 11-17VDC(电机关闭)至5安培最大驱动电机-电机输出端子:2安培@ 18 VDC(36瓦)
数字接收机:
- 900 MHz的数据接收,有8个可选的子通道
-自动校准
-可调节的扭矩
-兼容大多数数字电机(普雷斯顿,Heden酒店,龙,全蝎)
-相机启动/停止输出
-最小的封装(3.5“长x 2.1“宽x 0.8”H,4.8盎司)
- 10-30V输入电压
-兼容大多数模拟BFD电缆
Features:
- 900 MHz Data Transmission, 8 Selectable Sub-channels
- Rotary Style Control Module That Can Lock Together to Other Units For Multichannel Operation (Focus unit shown)
- Interchangeable 1 Channel Receiver/Amplifier Modules, each with Remote Camera Run Outputs
- 12-bit Resolution with All 12-bits Always Available (A First!)
- Fast, Simple One-Pass Manual Lens Calibration
- Control Modules Powered by an Inexpensive 9V Battery (18 hours of operation)
- Direct Potentiometer Input to Receiver/Amp for Servo-type Operation, or Direct Connect Transmitter to Receiver (Hard Wire)
- Automatic Standby Battery Saver Mode & Low Battery Indicator
- Automatic Motor Shut Down to Save Power
Transmitter Specifications:
- Dimensions/Weight: approx. 7" x 3½" x 1½"/1½ lbs.
- Power Consumption: 30 mA @ 7 to 15 VDC (9 mA in low power mode)
- RF Transmission: 902-928 MHZ Single frequency, part 15 FCC compliant
-Resolution: 12-bits (4096 steps), all steps always used
-Data Update Rate: 350+ transmissions/second
- Transmission Delay: 3 milliseconds
Analog Receiver:
- Dimensions/Weight:: approx. 4½" by 3½" by 1½" / approx. 11 oz.
- Power Consumption: 50 milliamps @ 11-17VDC (Motor off) up to 5 amps maximum when driving a motor
- Power Output to Motor: 2 amps maximum @ 18 VDC (36 watts)
Digital Receiver:
- 900 MHz Data Reception, 8 Selectable Sub-channels
- Auto Calibration
- Adjustable torque
- Compatible with most digital motors (Preston, Heden, Loon, Scorpio)
- Camera run/stop output
- Smallest package available (3.5" L x 2.1" W x 0.8" H, 4.8 oz.)
- 10-30V Input Voltage
- Compatible with most analog BFD cables
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