Hmm.. I'll take another stab (no promises :) )

Did you do an AF fine tune on the lenses + TC with all the cameras in question?

The lens needs its own AF fine tune setting and the lens + TC will need yet another (the lens +TC is treated like a separate lens by the camera).

Beyond that it's a head scratcher for sure.

Thanks - Yeah, that UV filter video created quite the little firestorm on my channel and on other sites where it was posted. I think the next video will be much less controversial LOL.

Thanks - I would LOVE to see them doing this in the snow!! I've been to YNP a few times in the fall when there was some snow, just never got it together with a 'vote - yet :)

Thanks for letting me know. However, I'm going to be up in MI that week. Maybe next year?

Once again thank you so much for the kind words and the warm welcome :) I got lucky to find such a nice coyote - one of the best I've seen really. Plus, not tags which is always a bonus. I'm just glad he was cooperative!

Thanks so much :)

Actually there were in Yellowstone. We have them in OH, just can't get anywhere near close enough - at least not in my neck of the woods. I do hear them howling at night though (I live out in the country)

Thanks :)

My Canon nomenclature is a little rusty :)

I can tell you that this was shot with a D4 and I used Continuous AF (with just a single AF point). If single servo is the same as Nikon's single shot, then I'd say they are doing it the hard way. Nikon's single shot AF can't track - once it locks in, it stays that way until you remove your finger from the button and reacquire focus. The only way I'd want to use a single shot type AF would be if I knew where the dogs were going to be and prefocus on that point (like a jump or something maybe).

Hope that makes sense :)

Thanks so much for all the kind words and warm welcomes everyone - that's very nice of you and greatly appreciated :)

A couple things to consider - you may have already thought of these but i wanted to toss them out there:

1. The AF sensors are not on the imaging sensor (they are at the bottom of the mirror box) so AA vs non-AA shouldn't make any difference with regular AF (maybe a little with Live View, but not that I've ever noticed).

2. Not all AF sensors in your camera are the same. Believe it or not, only the center AF sensor in the 800/e and the D7100 is compatible with F8 (the surrounding ones are "5.6 and up to but not quite F8" ). So, if you have your D800/e set to something other than the center sensor and the D7100 is set to center, it will likely focus more reliably. I think the D810 & D750 have 11 F/8 compatible sensors and the D610 has 7 - but they are around the center.

Note that this doesn't mean you can't get an AF lock with one of the other sensors with an effective F8 lens, it just means the center will be more reliable.

Thanks for the kind words - and I'm glad you like the videos. I really enjoy doing them and I'm always happy to hear when they help out :)

Thanks for the purchase and the kind words - I just wished my wife shared your opinion about my humor :shock:

Hi everyone -

I just stumbled upon this site yesterday and thought I'd introduce myself with a few flying coyotes :)

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Thanks Frank - yeah, that travel list has saved me more times than I can count! Before I had it, I was forever forgetting something on a trip - or spending the first day or two wondering what I forgot LOL.

I plan to help where I can - and I always like learning new things, so I'll be around. :)

Hi there!

I'm the author of the book and I discovered this site as I was trying to track down where my extra orders were coming from today.

I created an account so I can say THANK YOU so much for all the kind words, and a special thank you to everyone who has purchased the book. Very kind of you and I truly appreciate it.

Also, there seems to be a lot of interesting topics on the forum, so I think I'll have to check it out some more - thanks again!!

PS - @jerryc41 - the pics are all mine, Laurie Excel has a similar shot, hers is vertical :)