Reply to thread

Message

<blockquote data-quote="nickt" data-source="post: 272011" data-attributes="member: 4923">Great. Maybe a browser problem on the link. Try a different browser if you have one or rt click and 'save as' might work for you. It is really a great write up. Something many of us read and re-read.In short.. Af-s, af-c,af-a&nbsp; are servo modes. you get them holding the af button and turning the back wheel. Servo modes are how the focus motor behaves. AF-S is single mode. It focuses once and stops trying. AF-C keep trying to focus if the subject moves. AF-A is auto servo mode. It is like single focus mode but if the camera detects a a change in distance it will change to af-c mode. All 3 are for determining how the focus motor behaves.Now if you hold the af button and turn the FRONT wheel as you have found, you get the varies focus point modes, 9, 21, etc. These are how the camera will acquire a focus point, which is a separate process from how the motor behaves.</blockquote>

[QUOTE="nickt, post: 272011, member: 4923"] Great. Maybe a browser problem on the link. Try a different browser if you have one or rt click and 'save as' might work for you. It is really a great write up. Something many of us read and re-read. In short.. Af-s, af-c,af-a are servo modes. you get them holding the af button and turning the back wheel. Servo modes are how the focus motor behaves. AF-S is single mode. It focuses once and stops trying. AF-C keep trying to focus if the subject moves. AF-A is auto servo mode. It is like single focus mode but if the camera detects a a change in distance it will change to af-c mode. All 3 are for determining how the focus motor behaves. Now if you hold the af button and turn the FRONT wheel as you have found, you get the varies focus point modes, 9, 21, etc. These are how the camera will acquire a focus point, which is a separate process from how the motor behaves. [/QUOTE]

Verification