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The Canon EOS R8 can be picked up for a bargain at $1070 this Black Friday — rated our best entry-level astrophotography camera. If you are looking to photograph the night sky this winter then ...

Canon Rumors发布了关于佳能EOS R6 Mark III的后续传闻。 上周，听说EOS R6 Mark III“确定”将在2025年第一季度推出。很有可能在2月末举行的CP+展会上公开。然而，佳能倾向于在本国活动中发布值得关注的产品，尽管情况并非总是如此，甚至佳能会在活动结束后立即发布 ...

从专利文献来看：为了获得一款紧凑的变焦镜头，具有大F值、高变焦比和高光学性能。 专利背景：在成像设备中使用的变焦镜头，如上面描述的，需要具有最小像差和高分辨率的高空间频率性能。在这种变焦镜头中，由于衍射引起的光学特性退化是不可忽视的 ...

Canon still makes its $499 PowerShot SX740 HS, and though it is one of those cameras that goes in and out of stock quite often, you may find it worth waiting for its 40x zoom lens. If you have the ...

I haven't just been testing Canon cameras for Digital Camera World for years – I have been using them my entire photographic career. Through the era of film cameras, DSLRs, and now Canon's latest EOS ...

A programmatic change in the Terra mission prompted the flight operation staffing to go from 24 hours a day, 7 days a week to 12 hours a day, 7 days a week, with limited operational response when ...