Forums
New posts
Search forums
What's new
New posts
New media
New media comments
New profile posts
Latest activity
Media
New media
New comments
Search media
Members
Current visitors
New profile posts
Search profile posts
Log in
Register
What's new
Search
Search
Search titles only
By:
New posts
Search forums
Menu
Log in
Register
Install the app
Install
Forums
Lenses
Telephoto
Nikon's New 300mm f/4 Looks Impressive
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Reply to thread
Message
<blockquote data-quote="J-see" data-source="post: 458393" data-attributes="member: 31330"><p>Like that yeah. Thinking about it; the reason why faster than f/2.8 doesn't result in faster focus might have to do with the AF module being a certain size and the moment the diameter of the cone of light exceeds that certain size, it falls outside the module no longer playing any role in focus.</p></blockquote><p></p>
[QUOTE="J-see, post: 458393, member: 31330"] Like that yeah. Thinking about it; the reason why faster than f/2.8 doesn't result in faster focus might have to do with the AF module being a certain size and the moment the diameter of the cone of light exceeds that certain size, it falls outside the module no longer playing any role in focus. [/QUOTE]
Verification
Post reply
Forums
Lenses
Telephoto
Nikon's New 300mm f/4 Looks Impressive
Top
