EF镜头 － 增倍镜 － 增倍镜 EF 2X III - 佳能（中国）
作为一款高性能增倍镜，可使所安装主镜头的焦距延长约2倍。 使用增倍镜以后，有效光圈会降低2级，但像差被抑制到很小，从而实现具有高分辨力且高对比度的画质。 镜头内部搭载了微型 …
Canon Extender EF 2x III review: is twice as much twice as good?
2024年2月10日 · The Canon Extender EF 2x III aims to double the focal length of compatible EF-mount Canon telephoto lenses with minimal drop in performance and image quality.
Sony FE 2x Teleconverter | SEL20TC - Sony Electronics
A 2x teleconverter that maintains full G Master performance. Multiplies the focal length of the lens used by 2x without degrading optical performance, AF speed and precision, or operability. …
Canon EF 2.0X III Telephoto Extender for Canon Super Telephoto Lenses
2010年8月26日 · Designed to extend a lenses focal length by a factor of 2x, the Canon Extender EF 2X III delivers optical performance on par with the finest Canon super telephoto lenses. It …
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Canon Extender EF 2x III - Canon U.S.A., Inc.
2025年1月1日 · Shop the Extender EF 2x III from Canon U.S.A., Inc. Designed to extend a lenses focal length of 2x, it delivers performance on par with the finest.,
Apexel 2X Telephoto Lens for Dual Lens/Single Lens …
【Getting Closer 2x or 4x】 2x Telephoto lens gets you closer for tighter, crispier shots without using the digital zoom. Optimized for dual lens devices, you can achieve 2x optical zoom when …
2X Telephoto Lens - APEXEL
2x Telephoto lens gets you closer for tighter, crispier shots without using the digital zoom. Optimized for dual-lens devices, you can achieve 2x optical zoom when mounted over a single …
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Canon Extender EF 2X III - B&H Photo Video
Buy Canon Extender EF 2X III featuring EF Mount Teleconverter, 2.0x Magnification Factor, Microcomputer Controlled, Communication Between Lens & Camera, Spectra Coating …
2x AutoFocus Tele Converter (Doubler) for CANON EOS lenses
2006年12月9日 · The 2x AutoFocus Tele Converter (Doubler) for CANON EOS lenses is a teleconverter that doubles the focal length of your attached lens, providing additional reach for …
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The 2x ‘lens’ on the iPhone 14 Pro is surprisingly good
2022年9月30日 · The iPhone 14 Pro’s portrait mode uses a new 2x zoom by default. It’s not really a lens at all — just a crop of the main sensor — but it’s a useful focal length and produces …