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FORUMS Sony Cameras, Lenses & Accessories Sony Cameras 
Thread started 24 Feb 2014 (Monday) 08:30
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Sony A7 models with non-Sony lenses

 
Charlie
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Aug 23, 2014 13:35 |  #2416

xpfloyd wrote in post #17113352 (external link)
Thanks Eugene for the info on the TSE and the 16-35. The shutter vibration issue is a little concerning.

When I got my 55 yesterday I was finding shots were not sharp at around 1/80th. I assumed this was due to not having my shutter speed fast enough for the movement of my son (although I had thought anything above 1/50th should be fine)

I will have to do some tests of my own and see. Is the issue only when tripod mounted or any shots around the 1/100th mark?

you need at least 1/100. The 1/FL rule doesnt apply with high megapixel cameras. I'de side with 1/125 at minimum (1/2FL is a bare minimum for handheld with the exception of stabilized lenses).

I do have a few tripod mounted shots @50mm and 1/100, and no issues (indoors calm environment).

another minor detail, I have the L bracket mounted to BODY, not adapter like some folks have it.


Sony A7riii/A9 - FE 12-24/4 - FE 24-240 - SY 24/2.8 - FE 28/2 - FE 35/2.8 - FE 50/1.8 - FE 85/1.8 - EF 135/1.8 Art - F 600/5.6 - CZ 100-300 - Astro Rok 14/2.8 - Tamron 17-28/2.8 - 28-75/2.8 RXD, 70-200/2.8 VC

  
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digital_AM
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Aug 23, 2014 13:37 |  #2417

Vinz, thanks for sharing the samples from your 70-200 G lens. Where did you buy it from? How is the weight with the body?




  
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jmaher
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Aug 23, 2014 13:37 |  #2418

Vinz,

Thanks for the test - your example looks great.

Jim




  
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digital_AM
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Aug 23, 2014 13:40 |  #2419

Mu Eugene wrote in post #17113338 (external link)
It's not simply just the shutter speed that causes shutter vibration issues but other additional factors such as lens focal length, weight of the lens, where and how the setup is supported, weight distribution, etc. Fitted with another lens with the same setup described in my post, for example, 1/80 sec shutter speed probably would be a non issue.

Apply a little downward force to the top of the a7r when shooting on a tripod and the vibration issue should be a non factor. I have not tried this. I'm only relaying what I've read from Colby Brown.




  
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vinmunoz
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Aug 23, 2014 13:43 |  #2420

now went more extreme..... 1/60sec 200mm f5.6 ISO320 handheld.....

full frame

IMAGE: https://farm6.staticflickr.com/5551/14824558168_aa986ef2fd_b.jpg
IMAGE LINK: https://flic.kr/p/ozZJ​Eu  (external link) zeke_ff (external link) by vinzmunoz (external link), on Flickr

100% cropped
IMAGE: https://farm4.staticflickr.com/3880/14824647447_059dd023dd_b.jpg
IMAGE LINK: https://flic.kr/p/oA1c​cM  (external link) zeke_cropped (external link) by vinzmunoz (external link), on Flickr

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Charlie
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Aug 23, 2014 13:45 |  #2421

vinz, you've got bad GAS lol


Sony A7riii/A9 - FE 12-24/4 - FE 24-240 - SY 24/2.8 - FE 28/2 - FE 35/2.8 - FE 50/1.8 - FE 85/1.8 - EF 135/1.8 Art - F 600/5.6 - CZ 100-300 - Astro Rok 14/2.8 - Tamron 17-28/2.8 - 28-75/2.8 RXD, 70-200/2.8 VC

  
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vinmunoz
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Aug 23, 2014 13:47 |  #2422

hahaha i'm broke now.....


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StudioAbe
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Aug 23, 2014 14:05 |  #2423

Charlie wrote in post #17113364 (external link)
you need at least 1/100. The 1/FL rule doesnt apply with high megapixel cameras. I'de side with 1/125 at minimum (1/2FL is a bare minimum for handheld with the exception of stabilized lenses).

I do have a few tripod mounted shots @50mm and 1/100, and no issues (indoors calm environment).

another minor detail, I have the L bracket mounted to BODY, not adapter like some folks have it.

Even though I forget to practice it, with high MP cameras, I agree with going 1/2FL minimum. With 5DIII, I was beginning to feel that 1/FL rule was getting obsolete.

I thought about body L Bracket but ruled it out for now given that I will not be using native lenses for a while and in its place would be TS-E lenses with filters as well as occasional 70-200 f2.8L II and 70-300mmL that begin to add some weight at the front end. It's very likely that having the bracket mounted on adapter would amplify vibration compared to having it directly attached to the body due to increased distance from the source of vibration.

digital_AM wrote in post #17113373 (external link)
Apply a little downward force to the top of the a7r when shooting on a tripod and the vibration issue should be a non factor. I have not tried this. I'm only relaying what I've read from Colby Brown.

Thanks, that seem to make sense. While holding down with hand during long exposure may be impractical, I could probably hang a lens or a water bottle stored in a drawstring pouch and hang it off the camera. It could be effective especially if the lens is like 70-200L II.



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bobbyz
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Aug 23, 2014 14:17 |  #2424

xpfloyd wrote in post #17111806 (external link)
I made a big mistake I realise now selling all my canon glass and 5D2 suddenly and switching to Fuji but thankfully ive found my way back on the right track again with a sensor that gives me the IQ I look for and good glass to go with it. Thanks for the recommendations on the 55

OT - What were the issues with Fuji? I am only canon right now but thinking of something smaller and better than just my EOS-M. Thanks in advance.


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Aug 23, 2014 14:22 |  #2425

bobbyz wrote in post #17113421 (external link)
OT - What were the issues with Fuji? I am only canon right now but thinking of something smaller and better than just my EOS-M. Thanks in advance.

Fuji for me -

Pros - Size, build quality, weather sealing (xt1), lenses
Cons - Didn't have the IQ I like when viewing 100%. Lightroom still doesn't handle xT1 raws well and you cant sharpen them to be as sharp as the in camera jpegs without them turning to mush

Many folk seem to do just fine with it so maybe its just me but I can definitely tell from the images its a crop/lesser MP sensor

Sony on the other hand - amazing! with the added bonus of using your existing lenses as long as you don't need fast AF (the native lenses are quick to AF)


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Charlie
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Aug 23, 2014 14:25 |  #2426

Mu Eugene wrote in post #17113399 (external link)
I thought about body L Bracket but ruled it out for now given that I will not be using native lenses for a while and in its place would be TS-E lenses with filters as well as occasional 70-200 f2.8L II and 70-300mmL that begin to add some weight at the front end. It's very likely that having the bracket mounted on adapter would amplify vibration compared to having it directly attached to the body due to increased distance from the source of vibration.

right about the 1/2FL rule and the 5D3. That is how I use the 6D, 1/2FL rule. Considerably more sharper shots.

as for the L bracket on adapter, possibly a seesaw effect. It's a tad long/offbalance with bracket on body, but the 16-35 is glued to the A7r.

another possibility of the blur, maybe the docks were causing vibrations? wind?

either way, I havent experienced the issue of shutter shake yet, but have only taken the camera out for two dedicated landscape sessions. 100% in focus, shake free so far. Even while shooting on the pier, since you can kinda feel the wave vibrations.


Sony A7riii/A9 - FE 12-24/4 - FE 24-240 - SY 24/2.8 - FE 28/2 - FE 35/2.8 - FE 50/1.8 - FE 85/1.8 - EF 135/1.8 Art - F 600/5.6 - CZ 100-300 - Astro Rok 14/2.8 - Tamron 17-28/2.8 - 28-75/2.8 RXD, 70-200/2.8 VC

  
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vinmunoz
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Aug 23, 2014 14:28 |  #2427

from what i read, the shutter vibrations affects longer lenses only that is why i'm testing it at 200mm.


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bobbyz
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Aug 23, 2014 14:28 |  #2428

xpfloyd wrote in post #17113429 (external link)
Fuji for me -

Pros - Size, build quality, weather sealing (xt1), lenses
Cons - Didn't have the IQ I like when viewing 100%. Lightroom still doesn't handle xT1 raws well and you cant sharpen them to be as sharp as the in camera jpegs without them turning to mush

Many folk seem to do just fine with it so maybe its just me but I can definitely tell from the images its a crop/lesser MP sensor

Sony on the other hand - amazing! with the added bonus of using your existing lenses as long as you don't need fast AF (the native lenses are quick to AF)

Thanks. I was at local best buy but they only had A6000 (hope I am correct on the model) but it looked like a very nice camera. I assume the FF versions are much better.


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xpfloyd
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Aug 23, 2014 15:04 |  #2429

I only have experience with the A7R but Im loving it


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Charlie
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Aug 23, 2014 15:08 |  #2430

vinmunoz wrote in post #17113434 (external link)
from what i read, the shutter vibrations affects longer lenses only that is why i'm testing it at 200mm.

I did my moon shots with the 600mm, ISO 200, 1/200, F8. Didnt have issues with it. It could be that I was pointing straight up, hence not having the seesaw effect.


Sony A7riii/A9 - FE 12-24/4 - FE 24-240 - SY 24/2.8 - FE 28/2 - FE 35/2.8 - FE 50/1.8 - FE 85/1.8 - EF 135/1.8 Art - F 600/5.6 - CZ 100-300 - Astro Rok 14/2.8 - Tamron 17-28/2.8 - 28-75/2.8 RXD, 70-200/2.8 VC

  
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Sony A7 models with non-Sony lenses
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