After mulling over the various long focal lengths to purchase for years, I finally made up my mind and paid for a Af-S 500mm f/4 VR II.
I spent half the day yesterday testing a demo lens at my local store with the TC20EII combo on my D800. Contrary to what I expected focusing was reasonably fast and even instantaneous when the target was a contrasty enough.
Lens and the TC will hopefully arrive at my local store within the next few days. I got all the support sorted (Gitzo 3530+ Arca-Swiss Z1 + Wimberly Sidekick), but I know nothing about replacement feet!
I'm happy with the RRS foot on my 70-200 and the Kirk collar on my AF-S 300 f/4
What are the differences between Wimberly, RRS and Kirk replacement feet? Are they all the same?
Thanks in advance!
#1. "RE: 500mm VR II Foot replacement" | In response to Reply # 0jrp Charter MemberTue 30-Apr-13 08:16 AM
The Kirk LP-47 gives a closer/smaller profile and yet providing enough space to slip your hand in between to handle the lens.
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#4. "RE: 500mm VR II Foot replacement" | In response to Reply # 1Wed 01-May-13 01:46 PM
#2. "RE: 500mm VR II Foot replacement" | In response to Reply # 0
The original Wimberly foot is the lowest profile, so low that on some lenses you cannot use it as a handle. I have never used a Wimberly foot so I do not know what that low profile actually accomplishes in terms of increased stability, especially if it comes at the cost of the "handle"
The Kirk is probably in the middle, in terms of profile, and Jrp has already mentioned that.
The Wimberly and RRS feet have double dovetail rails, as is the standard for those two vendors. The 2nd (top) dovetail rail would be used to hold clamp mounted accessories such as the Wimberly flash bracket, or perhaps the Kirk or RRS flash brackets that use upper plate rail clamps. Kirk has an add-on intermediate part that accommodates that function.
I use an RRS foot on my 500/4 AFS. It came with the lens, bought used. It does have a tall profile, perhaps taller than it needs to be but I have not bothered to change it. From time to time I've thought about the several Wimberly feet now available, just to test the stability idea, but haven't moved on it.
Reading the Wimberly comments on the low profile AP-553 and the newer higher profile "handle friendly" AP-554, they indicate that the low profile foot will not work well with lighter bodies such as D90 in a gimbal, but they designed the newer AP-554 to accommodate that (although it doesn't seem to tie to the spec length!).
Just to say that if you want to use lighter bodies than a D300 it may be important to research that.
I illustrate that here where I show how various bodies, including a friend's D80, balanced on my 500/4 AFS (with RRS foot) on a gimbal. You can see that the lens foot is not fully engaged with the D80 attached. A grip with batteries would help those lighter bodies, adding ballast.
Could be an issue with a D7100 without grip, which is about
3 6 oz less than a D300 (without grips) per the specs. See my illustration where my D300, sans grip, has no extra rail on the RRS foot, for example.
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#5. "RE: 500mm VR II Foot replacement" | In response to Reply # 2Wed 01-May-13 02:00 PM
Even the Wimberly site itself doesn't say anything about the second dovetail - thanks for the information.
I just paid B&H for a wimberly foot, flash bracket and an extender!
I'll be using the lens with my D800 with the grip. I've purchased a second D800(E) as well. My D700 with just 2771 shutter actuations is about to hit the big auction site
#7. "RE: 500mm VR II Foot replacement" | In response to Reply # 5nrothschild Registered since 25th Jul 2004Wed 01-May-13 02:26 PM
Wimberly mentions the double dovetail feature on their lens plate section, under the features tab.
On the main lens foot page they do not mention it at all but refer you to a link for further info. If you go there, and click into the respective user manual it is mentioned.
You are right- I seem to make a bigger deal of it than they do . It is one of those very obscure things that can cause buyers remorse years down the road when someone thinks about adding flash to a growing pile of brackets. And that is why I try to always mention it. I was fortunate in working through that before I standardized on a plate line.
I will address your flash bracket in your thread over in the Flash forum.
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#8. "RE: 500mm VR II Foot replacement" | In response to Reply # 7Thu 02-May-13 12:36 AM
Well, I'm glad that you are making a bigger deal than they do - saves me money - Thanks!
#3. "RE: 500mm VR II Foot replacement" | In response to Reply # 0
I use the Wimberly AP-554 on my 500 VR. It works quite well and balances on my Wimberly II head with both my D700 in small configuration and heavier D2x bodies.
I can't compare them to other makes however.
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#6. "RE: 500mm VR II Foot replacement" | In response to Reply # 3Wed 01-May-13 02:02 PM
Thanks Jeremy, I think that was what I just purchased!