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Sonys' new A7(r) FX mirrorless


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#41 Mark K

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Posted 27 November 2013 - 05:15 AM

I wrote to Nauticam and they have not replied yet...I believe they are very much in doubt about the system....

Anyway, I bought A7 presuming its AF being faster and phase detection AF more useful if I use EF/F mount lenses.

Very pleasurable to use and images are very creamy...but still want an A7r for more pixel :alien: 11083875504_865871e2b4_b.jpg


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#42 Phil Rudin

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Posted 13 December 2013 - 01:01 PM

Phoebe Lu from Nauticam and Alex Tattersall Nauticam UK have today both posted photos of the Sony/Nauticam NA-A7 housing featured at Hong Kong DRT on their Facebook page. Alex photo shows the housing with the Nikonos 15mm lens mounted and in Phoebe's photos you can see the the housing is designed to use the larger DSLR ports not the Mirrorless housing ports.  



#43 jmauricio

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Posted 13 December 2013 - 01:52 PM

links?



#44 Phil Rudin

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Posted 13 December 2013 - 02:01 PM

These are their pages,

 

https://www.facebook...ef=ts&ref=br_tf

 

https://www.facebook.com/phoebe.lu.33


Edited by Phil Rudin, 13 December 2013 - 02:05 PM.


#45 Mark K

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Posted 13 December 2013 - 04:40 PM

I guess David must be too busy to answer my question I am going to see the expo and buy one now


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#46 Alex_Mustard

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Posted 14 December 2013 - 01:36 AM

Perhaps Nauticam will make a housing and adapter for this to work with a Nikonos 15mm lens - which would be a handy size even if the corners are no better.

 

But the problem is that it is still not very wide - good for shooting big creatures, less good for scenery. Although I guess you could use the Sea & Sea 12mm - although I only own the 15mm Nikonos myself. 

 

Alex


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#47 Mark K

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Posted 14 December 2013 - 04:43 PM

On day trip I ...preferred using A7 but underwaer..will ad D610 be better? At least I can use wider lenses like 14-24 or even 14 prime. Besides, the full set of macro...60/105/150 are all available. Just my thought. This also depends very much on the price of the housing. I am still thinking a DSLR has advantage..

One particular feature of A7 is its splash proof ability....in case of flooding


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#48 Alex_Tattersall

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Posted 15 December 2013 - 12:53 AM

11380156215_2d2c46bbb5_c.jpg

11380282693_507bd64d7f_c.jpgStrobes triggered with a mini-flash trigger. 


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#49 tdphoto

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Posted 15 December 2013 - 03:11 AM

Hi Alex,

 

Thanks for the pictures from the housing, have you some more? You write "Strobes triggered with a mini-flash trigger" is this trigger also from Nauticam? Work the trigger with the Sony-TTL or only manually? Thanks for your answer.

 

Greetings from Switzerland,

 

Tino


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#50 Alex_Tattersall

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Posted 15 December 2013 - 03:27 AM

I suspect it will be manual only but will find out for you.


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#51 A.Y.

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Posted 15 December 2013 - 11:36 AM

FWIW, A7r autofocus:

 

 

Tried out the A7 at the Sony store several times now (a dangerous sign that requires wife's intervention before it's too late  :pardon: ) and noticed the FF hybrid autofocus system is quite a bit faster than NEX-6, 5T, & 5R all with hybrid AF. Unfortunately, A7r is not yet available for a side-by-side comparison.


Edited by A.Y., 15 December 2013 - 12:37 PM.


#52 Mark K

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Posted 17 December 2013 - 04:29 AM

Saw the prototype product. It looked only 2/3 the size of a 70D housing...


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#53 Mark K

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Posted 17 December 2013 - 04:35 AM

A7r may be a pain to use underwater with the CDAF only.  Even the so-called FDAF or hybrid-AF on sensor don't prove to be as reliable as any mid-end DSLR at all.  I am not so excited yet until someone has dived with the camera(s) with a decent lens.

Dear Edward...spot you on Sunday but you were too busy chatting to others.

Back to A7's focusing capability. I believe what you said is quite true. I have mine for three weeks and eventually will use it for underwater...just let me know when your housing will be ready. I also bought a new D610 which seems much faster in AF...at least from my gut feeling in combination of my current Nikon glass. It won't be fair because most of my lenses used on A7 are either MF from Nikon/Canon or those Sony ones via an adapter. 

However, your A7 housing is even smaller than that of a D70's.


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#54 A.Y.

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Posted 17 December 2013 - 10:32 AM

Saw the prototype product. It looked only 2/3 the size of a 70D housing...

 

What about the cost?



#55 FuAn

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Posted 18 December 2013 - 07:06 AM

Got the A7 now for a couple of weeks it's great and a lot of fun! Some nice lenses have been announced...

Can't wait to get the nauticam housing!!! Hope Edward will bring one to Shanghai in March... ;-)


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#56 Mark K

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Posted 08 January 2014 - 03:20 PM

Nauticam announced the launch of their housings

http://www.nauticamu...a7-and-a7r.html


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#57 Mark K

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Posted 08 January 2014 - 03:23 PM

I have been using A7 in the past month, along with my D800/5D3. The image quality is incredible, size very small and the controls near perfect. With single hand I can control all my aperture, shutter, iso, etc and the viewfinder is even better than an optical one, providing both focusing and exposure information in details. I can use my old old lenses back without a problem.

 

The catch is ...the shutter is very loud.

I thought I preferred my dSLRs more but photos came back ...I found 70% were shot using A7


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#58 A.Y.

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Posted 09 January 2014 - 01:28 AM

It'll be great to see a photo, showing the size difference between a traditional full-frame dSLR housing, an A7 housing, and a nex housing.



#59 jmauricio

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Posted 09 January 2014 - 06:44 PM

 

But the problem is that it is still not very wide - good for shooting big creatures, less good for scenery. Although I guess you could use the Sea & Sea 12mm - although I only own the 15mm Nikonos myself. 

 

Alex

 

 

Indeed. I actually got to play around a Sony A7R + Nikonos - NEX adapter + some lenses. Here are some comparison shots with the Nikonos 15mm, Sea & Sea 12mm and NEX 7 with the 16mm + FE adapter (15mm 35mm equiv. & 180 degree FoV according to Sony).

 

The FoV is closest between the 16mm + FE with the Sea & Sea 12mm. 15mm not bad either. As Alex says, 12mm may be good for wrecks and reefs while the 15mm with animals. The 12mm looks really good on the A7R, reasonably sharp corners and no color shift. 

 

zero lightroom processing other than converting to jpg

 

 

 

nex7%2016fe%20(Medium).png

 

A7R%2012mm%20(Medium).png

 

A7R%2015mm%20(Medium).png



#60 Phil Rudin

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Posted 10 January 2014 - 07:44 AM

The Nikonos 15mm was the gold standard of wide lenses for decades because of its small size and great image quality. It is nice to see the rebirth of this lens that arguably accounted for the most published U/W images in history. With no W/A lenses yet announced by Sony for this excellent camera the Nikonos 15mm seems like a no brainer.