DPReview.com is closing April 10th - Find out more

RF 24-240mm F4-6.3 IS USM Focal Length vs F-Stop

Started Aug 14, 2019 | Discussions thread
Steve-P
Steve-P Senior Member • Posts: 1,344
F-Stops and Focal Lengths...
2

Steve Lindqvist wrote:

Can anyone tell which aperture is usable at which focal length? Or to put it another way, up to what focal length do I have f-stop 4?

F/4 @ 24mm

f/4.5 @ 27mm

f/5 @ 44mm

f/5.6 @ 70mm

f/6.3 @ 109mm

From this youTube video. https://www.youtube.com/watch?v=9HLyXO8UxbE

-- hide signature --

"A camera is a tool for learning to see without a camera."
(Dorothea Lange)
http://www.pbase.com/steve_p/galleries

 Steve-P's gear list:Steve-P's gear list
Canon EOS 90D Canon EF 70-300mm f/4-5.6 IS USM Canon EF-S 18-135mm F3.5-5.6 IS USM Tamron 18-400mm F3.5-6.3
Keyboard shortcuts:
FForum PPrevious NNext WNext unread UUpvote SSubscribe RReply QQuote BBookmark MMy threads
Color scheme? Blue / Yellow