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The Phoblographer on MSN2 小时
The Top 7 Budget Zoom Lenses To Buy Under $2000
Every photographer needs a zoom lens in their backpack. Some may choose wide-angle zooms, while others will stick to ...
Digital Camera World on MSN2 天
Sony's new FE 50‑150mm f/2 GM puts a superfast spin on the trinity tele‑zoom
Sony has pulled the wraps off the FE 50‑150 mm f/2 G Master, the second lens in its headline‑grabbing f/2 trinity series and ...
Recombu1 天
10 Best Nikon D80 Lenses
Kit Includes: 1. 58MM 43x Wide Angle Lens 2. 58MM 2.2X Telephoto Lens 3. 52MM 3PC Filter Kit 4. 52MM 4PC Close Up Filters 5. 52MM Tulip Lens Hood 7. 52MM Lens Cap 8. Cap Keeper This 2.2x Telephoto ...
ePHOTOzine6 天
'Canon 75 300mm lens b' Techniques
From lens focal lengths and fill-flash to portraits, macro or stunning landscapes there are techniques for everyone. Learn how to use metering, considering composition and shoot everything from ...
ePHOTOzine5 天
'Lens hood for nikkor 55 300mm' Features
In this section you'll find photographic features that explore holidays and photography courses, details about members meetings, trials and tribulations of installing new software along with ...
搜狐3 天
无障碍扶手安装高度的标准化要求有哪些
示例：楼梯转角处的垂直扶手应安装在1500mm高度，便于用户上下楼时抓握。 水平扶手： 侧方扶手：距离马桶边缘200mm～300mm，高度650mm～750mm。 后方扶手：高度600mm～700mm，便于用户起身时支撑。 示例：医院卫生间马桶旁的侧方扶手应安装在距离马桶边缘250mm ...
仪表网3 天
偏心检查仪RL1S784YS单导轨手摇型偏心跳动仪转子轴跳动测量
一、带左右方向移动导轨（可选择双导轨），表座可快速精准移至需要测量位置（可选择手摇移动）。 二、材质为优质铸铁，底座和鞍座之工作台面经过特殊硬化处理，不易变形且精度稳定、持久耐磨耗、寿命长。 三、鞍座以创新特殊锁固机制设计，不因移动 ...
仪表网3 天
精密偏心检查器FRL1S784Y中国台湾偏心检查仪适用无中心孔工件测量
一、带左右方向移动导轨（可选择双导轨），表座可快速精准移至需要测量位置（可选择手摇移动）。 二、材质为优质铸铁，底座和鞍座之工作台面经过特殊硬化处理，不易变形且精度稳定、持久耐磨耗、寿命长。 三、鞍座以创新特殊锁固机制设计，不因移动 ...