C is from an extensive range of compact and lightweight ‘I-series’ prime lenses in Sigma’s Contemporary line-up ...

佳能EF 50mm F1.8 STM，这枚备受好评的“小痰盂”定焦镜头，以其出色的成像质量、迷人的背景虚化效果以及轻便小巧的设计，成为人像摄影和日常拍摄的理想选择。目前在天猫国际官方直营活动中，这款镜头仅需1999元，参与满1件打9.5折优惠后，到手价低至1899.05元 ...

1/60 second at f/5.6. 50mm focal length, ISO 160, 1/50 second at f/8. 70mm focal length, ISO 100, 1/125 second at f/8. 70mm focal length, ISO 100, 1/1600 second at f/2. Additional image samples can be ...

From today, businesses operating online must stop using hidden fees and fake reviews, under sweeping new consumer protection laws that aim to ... which are estimated to cost consumers £2.2 billion ...

2025年04月06日 20:16中关村在线 ...

IT之家4 月 5 日消息，持续畅销 30 多年的超长时间的 EF 单反镜头 —— 佳能 EF 50mm F1.4 USM 目前已经被标记为停产。 官方资料显示，这款镜头发布于 1993 年 6 月，号称 EOS 系列相机必备的标准镜头，首发价 49000 日元（IT之家注：现汇率约合 2443 元人民币），而停产 ...

To kick things off, it has announced a fast 50mm lens that it claims is the first Chinese 50mm F1.2 full-frame autofocus mirrorless lens. Recent Videos SongRaw's debut lens is a full-frame offering ...

Canon EF-S 55-250mm f/4-5.6 IS II vs Canon EF-S 55-250mm f/4-5.6 ISComparing both lenses on a Canon EOS 7D, we see a small advantage for the Canon EF-S 55-250mm f/4-5.6 IS II — a DxOMark score of 8, 2 ...

Introduction Covering such a versatile focal range with a relatively small and lightweight construction, budget telephoto zoom lenses such as the EF-S 55-250mm f/4-5.6 IS STM are never going to be the ...