为此，本文将针对日常最常用的UV滤镜、CPL滤镜、ND滤镜以及渐变ND滤镜进行深入解析。 UV镜 作为镜头防护的得力助手，UV镜的全称为紫外线滤镜 ...

Central sharpness is relatively soft at f/1.2, good at f/1.4 and very good at f/2. It is excellent from f/2.8 through to f/11 and ... the better the lens performance. CA (Chromatic Aberration ...

At 16mm, central sharpness is excellent at f/4, outstanding at f/5.6, excellent from f/8 to f/16 and very good at f/22. The edges are very good from f/4 right through to f/16, becoming soft at f/22.

SONY 索尼 ... 这款E50mmF1.8镜头是APS-C画幅下E卡口系统的有效补充，使用9片8组结构，7片圆形光圈，最近对焦距离0.39m，重量202g，口径49mm。

In the old TTL days you usually couldn’t drive an LED directly ... The parameter that sets the width defaults to 7 (8 bits) but is overridden with 64 bits pushed down from the top sheet.

Its f/1.8 aperture makes it the brightest telephoto lens in its class -- and with 35mm-equivalent 202.5mm focal length plus the ability to focus tightly on objects closer than three feet away ...

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September 11, 2023 • When we scarf down our food, we don't get a chance to properly digest or appreciate it. Lilian Cheung, a mindful eating lecturer at Harvard, shares techniques on how to slow ...

Moeen Ali proved his worth both with the bat and ball in the Caribbean Premier League (CPL) 2024 Qualifier 2 between Guyana Amazon ... just haven't been scoring that many runs down the order ...

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Cavalry FC took on the Halifax Wanderers Saturday at ATCO Field at Spruce Meadows, winning 2-1 thanks to goals from Tobias Warschewski and Callum Montgomery. Giorgio Probo scored for the Wanderers ...