RF50mm f/1.8 STM The metal mount is highly durable and provides a luxurious feel. The frontmost lens element protrudes slightly more than on an EF lens, but the rearmost lens element recedes more. EF50mm f/1.8 STM Until the EF50mm f/1.8 II, the mount was plastic. However, this version has a metal mount like its RF mount counterpart.
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Given that Canon EF 35mm f/1.4L II is three times as expensive as the Canon RF 35mm f/1.8, when it came to sharpness, I was shocked at how similar the images looked. Wide open at f/1.8, the RF 35mm f/1.8 is very sharp in the center and holds up well into the corners. For macro photos, I usually stop down to about f/8 and have found the subject The RF 50mm f/1.2L USM is a fair bit larger than the 50mm lenses that Canon has produced in the past 30 years, and weighs in at a quite hefty 950g, just a hair lighter than the original EF 50mm L lens, the ultra-rare 50mm f/1.0L, which weighed 985g. The RF 50mm f/1.2L is a fairly long 50mm lens, at 4.25″ in length.
各光圈色散比較|RF 50mm f/1.8 STM vs. EF 50mm f/1.8 STM 大光圈鏡頭最需要的就是低散色鏡片,不過這類鏡片的加入同時也會增加鏡頭成本,RF 50mm f/1.8 STM 這類屬於平價定位的定焦鏡自然不會有 ED 鏡片,但或許就是因為一般鏡片光學技術的提升有效抑制了色散情況。
68,417 Photos with the CANON RF 50mm 1.2 — Three Year Review. Watch on. The Canon RF 50mm f/1.2L USM lens was one of the first made for the company's full frame mirrorless mount, and it put the
Simply put, Canon’s RF L primes are very expensive and large, while Nikon’s Z primes are “just” f/1.8, and appear mediocre on paper at first glance. Indeed, Nikon and Canon have gone in very opposite directions. Nikon already has a nearly complete lineup of “modest” f/1.8 Z-mount primes, from 24mm to 85mm, and Canon has put out two

The zeitgeist has applied the Nifty Fifty moniker to the concept, and the RF 50mm F1.8 STM ($199.99) is the latest edition, this time for Canon's full-frame mirrorless camera system.

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