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Archive 2013 · Sony A7 and A7r Full Frame with Canon Lenses

  
 
Fred Miranda
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p.88 #1 · Sony A7 and A7r Full Frame with Canon Lenses


AGeoJO wrote:
I also got their announcement email. And yes, I agree with you, too, it is a tad pricey.

It looks great actually and it seems to add a tad more gripability (is there such a word ?) since it extends the grip a little. But frankly I question the merit of an L bracket for the camera itself. For rangefinder lenses since most of them are small, it would be fine to mount the combo on the tripod using the L-bracket. But I am not sure about mounting largish and relatively heavy lenses, like the Canon 17mm or 24mm TS-E or
...Show more

Joshua,
I agree. When using Canon lenses with the Metabones adapter, it way more stable to use an L-bracket on the adapter itself.
Fred



Dec 13, 2013 at 12:28 AM
KKFung
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p.88 #2 · Sony A7 and A7r Full Frame with Canon Lenses


Fred Miranda wrote:
Joshua,
I agree. When using Canon lenses with the Metabones adapter, it way more stable to use an L-bracket on the adapter itself.
Fred


My thought different, the bigger lens will make a load of torque to the RRS bracket that will damp the high frequency vibration from the shutter



Dec 13, 2013 at 04:11 AM
alundeb
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p.88 #3 · Sony A7 and A7r Full Frame with Canon Lenses


AGeoJO wrote:
But frankly I question the merit of an L bracket for the camera itself. For rangefinder lenses since most of them are small, it would be fine to mount the combo on the tripod using the L-bracket. But I am not sure about mounting largish and relatively heavy lenses, like the Canon 17mm or 24mm TS-E or 85mm f/1.2 using that. I would rather use the tripod collar of the adapter for that purpose. Plus, from what I gather, the shutter vibration issue would be minimized, if the combo is mounted on the adapter collar, if there is any issue,
...Show more

There is an issue at focal lengths > 200mm. My testing with the Sigma 100-300 F4 indicates that with respect to shutter vibration, one should try to minimize the distance between the camera and the (ball)head. Using a long bracket form the tripod collar on the lens to acheive this actually gave me better results.



Dec 13, 2013 at 06:29 AM
zatopek
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p.88 #4 · Sony A7 and A7r Full Frame with Canon Lenses


Fred Miranda wrote:
Thanks for checking Scott. Could you double check to see if the tripod mount in parallel to the camera base? I'm in contact with Metabones about this and we want to find out if more users are having this issue.
Fred


Fred, Scott,

I have also some small "wiggle" on the Metabones MK III side attached to the A7R body. Sometimes it causes the camera to loose the connection to the lens. It is something you're also experiencing? I'm considering if sending my MKIII back or not, but, since I'm using it actively with the 17TSE, I'd really like to have your feedback on this issue.

Thanks,

Max



Dec 13, 2013 at 06:59 AM
Fred Miranda
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p.88 #5 · Sony A7 and A7r Full Frame with Canon Lenses


KKFung wrote:
My thought different, the bigger lens will make a load of torque to the RRS bracket that will damp the high frequency vibration from the shutter


I was referring to stability but that also applies to shutter vibration. It's easy to see there is more vibration when mounting the camera base as opposed to the adapter tripod foot. Do a test: Try both mounting options and look at the LCD at a magnification. You will see the shakes when mounting the camera base. However, mounting the camera base should work ok with shorter/lighter lenses.



Dec 13, 2013 at 11:48 AM
Fred Miranda
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p.88 #6 · Sony A7 and A7r Full Frame with Canon Lenses


zatopek wrote:
Fred, Scott,

I have also some small "wiggle" on the Metabones MK III side attached to the A7R body. Sometimes it causes the camera to loose the connection to the lens. It is something you're also experiencing? I'm considering if sending my MKIII back or not, but, since I'm using it actively with the 17TSE, I'd really like to have your feedback on this issue.

Thanks,

Max


I'm not getting any noticeable wiggle but there is a small rotational play. This play is much bigger than when mounting the native Sony 35mm f/2.8. If you are loosing connection, try replacing it.

What still bothers me is that the tripod foot is not aligned with the camera base. When using the L-bracket, this "Tilt" is very noticeable. I am thinking that all Metabones have this issue because I have tried 3 of them...

Something else I noticed. When using an L-bracket on the tripod foot, it's not possible to use Sony's USB shutter remote in portrait orientation. The camera doors won't have enough clearance. I just ordered a wireless remote to see how that works.
Fred



Dec 13, 2013 at 11:53 AM
KKFung
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p.88 #7 · Sony A7 and A7r Full Frame with Canon Lenses


Fred Miranda wrote:
I was referring to stability but that also applies to shutter vibration. It's easy to see there is more vibration when mounting the camera base as opposed to the adapter tripod foot. Do a test: Try both mounting options and look at the LCD at a magnification. You will see the shakes when mounting the camera base. However, mounting the camera base should work ok with shorter/lighter lenses.


You remind me the liveview magnification is a good checking device for vibration issue.



Dec 13, 2013 at 11:56 AM
Lars Johnsson
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p.88 #8 · Sony A7 and A7r Full Frame with Canon Lenses


From diglloyd's testing

"Also added is an identical series showing shutter vibration with the Sony A7 at 280mm (none). The A7 has an elecronic first curtain shutter, but the A7R does not. This makes all the difference.

The Leica 280mm f/4 APO-Telyt-R was used, mounting the rig using the robust tripod foot on the lens itself, thus acting as a proxy for all long and fast telephoto Nikon and Canon and other zooms and primes in the 200+ mm range.

Together with the 180mm analysis and 135mm analysis, these pages are “must read” for anyone contemplating using adapted lenses of 85mm and longer focal lengths of any brand on the Sony A7R."



Dec 13, 2013 at 12:11 PM
KiboOst
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p.88 #9 · Sony A7 and A7r Full Frame with Canon Lenses


Fred, about tripod mount on foot and portrait orientation, it may depends on your Lbracket :

http://www.nicolasgenette.com/blog/BlogImgs/Divers/2013/Article_A7R/A7R_Lee2.jpg

I've received my vertical grip, but can't find a good way to put an L on it. And seems a lot better balanced on tripod with Lbracket on metabones. So I won't use vertical grip before better solution is found. I will see I can machine a piece to make this works. Handling with the grip is so much better !! But anyway I think it will stay stucked on my tripod, so handling problem is secondary.



Dec 13, 2013 at 01:13 PM
MIRANDA1
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p.88 #10 · Sony A7 and A7r Full Frame with Canon Lenses


I received the grip as well and I'm looking for a metabones mounted L bracket solution. The only thing that might work would be a custom lens foot, angled towards the from of the adapter so that the L bracket would clear the lower lip of the grip.


Dec 13, 2013 at 05:01 PM
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p.88 #11 · Sony A7 and A7r Full Frame with Canon Lenses


I hope I don't end up regretting not getting the a7R. But from what I've been seeing, I can't help think how much more I'd like something in either a 5D (or better yet, 1D) style of body and controls. Too bad Nikon couldn't make an alternative body: 800E/Canon mount with electronics. Dreaming, I know!

I'm not excited about the adapters and the foot. It seems like a double contact system is needed, where the a7R is mounted on its base, and there is an additional brace in contact with the lens. Very awkward, and been done before with super-teles.

I can't argue with the IQ though! Arrrrrrgggg!



Dec 13, 2013 at 05:14 PM
Fred Miranda
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p.88 #12 · Sony A7 and A7r Full Frame with Canon Lenses


KiboOst wrote:
Fred, about tripod mount on foot and portrait orientation, it may depends on your Lbracket :

http://www.nicolasgenette.com/blog/BlogImgs/Divers/2013/Article_A7R/A7R_Lee2.jpg

I've received my vertical grip, but can't find a good way to put an L on it. And seems a lot better balanced on tripod with Lbracket on metabones. So I won't use vertical grip before better solution is found. I will see I can machine a piece to make this works. Handling with the grip is so much better !! But anyway I think it will stay stucked on my tripod, so handling problem is secondary.


KiboOst,
The issue was actually my quick release plate. It's a RRS with bubble level. Your plate seems thinner.
I was able to work it out and it now works with the USB adapter...barely



Dec 13, 2013 at 05:25 PM
AGeoJO
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p.88 #13 · Sony A7 and A7r Full Frame with Canon Lenses


Gunzorro wrote:
I hope I don't end up regretting not getting the a7R. But from what I've been seeing, I can't help think how much more I'd like something in either a 5D (or better yet, 1D) style of body and controls. Too bad Nikon couldn't make an alternative body: 800E/Canon mount with electronics. Dreaming, I know!

I'm not excited about the adapters and the foot. It seems like a double contact system is needed, where the a7R is mounted on its base, and there is an additional brace in contact with the lens. Very awkward, and been done before with
...Show more


Jim,
Up to this point, we take the notion of being able to use native lenses for granted. People that use alternative lenses can handle this better than the average Canon/Nikon users, I'd say .



Dec 13, 2013 at 05:37 PM
jcolwell
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p.88 #14 · Sony A7 and A7r Full Frame with Canon Lenses


Gunzorro wrote:
I hope I don't end up regretting not getting the a7R. But from what I've been seeing, I can't help think how much more I'd like something in either a 5D (or better yet, 1D) style of body and controls. Too bad Nikon couldn't make an alternative body: 800E/Canon mount with electronics. Dreaming, I know!

I'm not excited about the adapters and the foot. It seems like a double contact system is needed, where the a7R is mounted on its base, and there is an additional brace in contact with the lens. Very awkward, and been done before with
...Show more

Stay calm. Do not panic.

Just yesterday, I was asked to provide a file for a 48" x 36" print, from some ship/helicopter trials that I photographed in early 2011. The image in question was taken with a 5D + 24-105/4L IS at f/20 (in order to get rotor blur). Everybody knows that it's totally impossible to get a decent large print from a 12 MP camera, especially when the lens is at f/20 - not to say that it's the useless 24-105L lens. Unforgivable. What was I thinking?










Dec 13, 2013 at 05:43 PM
secondclaw
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p.88 #15 · Sony A7 and A7r Full Frame with Canon Lenses


Took A7R + Metabones III + a few Canon lenses for a spin last night. Overall I'm very pleased with the results, definitely the detail and DR is superior to what I get with 5D2. However I noticed very pronounced internal reflections (maybe from the sensor topping?) that were there with pretty much all lenses, which may make me return the camera .... I still have to decide what to do.
Meanwhile a few full-size Jpegs (RAW + LR 5.3, default settings).
1. 70-200mm f2.8 L IS mk1 @ 85mm
2. Can clearly see the ghosting effect at the bottom right (orange lights).
70-200mm f2.8 L IS mk1 @ 200mm
3. TS/E 24mm f3.5 mk1 (shifted most of the way down)
4. 24-70 f2.8 mk2
5. Zeiss ZE 21mm f2.8



Dec 13, 2013 at 11:47 PM
KiboOst
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p.88 #16 · Sony A7 and A7r Full Frame with Canon Lenses


Fred Miranda wrote:
KiboOst,
The issue was actually my quick release plate. It's a RRS with bubble level. Your plate seems thinner.
I was able to work it out and it now works with the USB adapter...barely


I think I could machine a foot replacement for the metabones handling foot, spacer, and carrying off the plate/L-bracket.
The problem I can see is that it will put the side of the Lbracket on the side of the focus ring or some control for some lenses, or even the tripod colar of 70-200.
The best would be an Lbracket with the side that comes back to the rear.

Sort of (sorry for bad drawing) :
http://www.nicolasgenette.com/temp/forums/A7R_metafoot.jpg

I could design it in 3D and send the file to a local prototype manufacturer ...

Or an Lbracket for A7R+Vertical grip, but not sure it would be better balanced with heavy lenses that doesn't have tripod collar.



Dec 14, 2013 at 04:41 AM
KiboOst
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p.88 #17 · Sony A7 and A7r Full Frame with Canon Lenses


Ok, some tests about shutter vibrations. I couldn't discern any previously at short target distance, but now this is different !
70-200 2.8L II, 2xIII

http://www.nicolasgenette.com/blog/BlogImgs/Divers/2013/Article_A7R/A7R_shock_01.jpg

http://www.nicolasgenette.com/blog/BlogImgs/Divers/2013/Article_A7R/A7R_shock_02.jpg

http://www.nicolasgenette.com/blog/BlogImgs/Divers/2013/Article_A7R/A7R_shock_03.jpg

I would avoid shooting at long focal lenght, far targets with vibration prone shutter time !

I have also tested tripod IS on and couldn't see a difference ...



Dec 14, 2013 at 06:10 AM
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p.88 #18 · Sony A7 and A7r Full Frame with Canon Lenses


^ That's terrible.

Almost enough to make me change my avatar and rethink my upcoming purchase. =/

Looks like Sony should have spent more time on designing that shutter.



Dec 14, 2013 at 10:31 AM
Lars Johnsson
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p.88 #19 · Sony A7 and A7r Full Frame with Canon Lenses


Yes it's terrible. I have been reading a bit about it on both diglloyds and a Swedish site. It really makes me wonder if I'm buying it!! My intention was not to use any tele lenses on it. But it's different if you can't do it at all. And then the A7 is good with long lenses also


Dec 14, 2013 at 10:56 AM
KiboOst
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p.88 #20 · Sony A7 and A7r Full Frame with Canon Lenses


Indeed you will have to keep this in mind when shooting tele, even on tripod. And nothing can avoid it as there is no electronic curtain. Dunno if a firmware could change that, or make shutter close (LV off), wait a bit, then take the shot (would it be better ??).

If I understand correctly, actually when you fire the shutter :
- shutter close (was opened for LV or evf before)
- shutter open (start taking shot)
- shutter close again (end of the shot)
- shutter open again (to reactivate LV, but shot it taken anyway)

So this make three shutter movement creating vibrations ! Doing a loud and slow shutter with so long blackout etc, they could have designed it better, indeed !

Anyway, at least for my shooting, it won't bother me. But I never saw this with my 1DsII and MLU !



Dec 14, 2013 at 11:10 AM
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