BirdForum is the net's largest birding community dedicated to wild birds and birding, and is absolutely FREE!

Register for an account to take part in lively discussions in the forum, post your pictures in the gallery and more.

Reply to thread

Message: <blockquote data-quote="Chris Upson" data-source="post: 1759683" data-attributes="member: 53970">Gave the MK1V a serious test on 13/3/10,conditions were overcast,lens used was 500f4 with a 1.4x convertorCamera set to AV mode,frame rate 10 per second and AI Servo,used all 45AF sensors mosts of the time but also center with left/right sensor active.Took 950 images in 2hours of BIF,out of these 69 were out of focus,so i have 881infocus images from that 2hours.Most of the 69 out of focus images i had missed the bird with the center focus sensor !I have owned this since 15/1/10 and have taken just under 6000 images,i am very happy with the Af,image quality and build.</blockquote>