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Sony NEX with 8mm fisheye

Nauticam fisheye port query

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#21 Scubysnaps

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Posted 22 October 2012 - 11:02 AM

Thanks for the input, now I have that news from Rokinon, theres not much holding me getting that one either, as there was originally rumours that an AF one may be coming out.

How are you finding the differences with the NEX to the D7000?
Cheers
Paul

*Nikon D90 with Tokina 10-17 & Nikon 60mm, 105mm, Sigma 17-70, Kenko1.4 * 2 x Z240 & 2 x 12 litres...global! *

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#22 Scubysnaps

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Posted 24 October 2012 - 07:12 AM

I've just ordered this Samyang 8mm NEX fisheye from eBay, I should have it Friday, will anyone have an NEX camera, housing and dome port at the Birmingham, UK dive show to see how it fits in the dome port? I have a 7 days refund policy on it so only £5 return postage to lose

http://www.ebay.co.u...=item43b4722f1f

Cheers
Paul

*Nikon D90 with Tokina 10-17 & Nikon 60mm, 105mm, Sigma 17-70, Kenko1.4 * 2 x Z240 & 2 x 12 litres...global! *

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#23 Scubysnaps

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Posted 24 October 2012 - 07:57 AM

I also plan to take it to this reef aquarium this Saturday, hope their aquarium glass is nice and smooth!
http://www.bluereefa.../portsmouth.htm
Cheers
Paul

*Nikon D90 with Tokina 10-17 & Nikon 60mm, 105mm, Sigma 17-70, Kenko1.4 * 2 x Z240 & 2 x 12 litres...global! *

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#24 Scubysnaps

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Posted 27 October 2012 - 03:42 AM

Bad news. I've just tried the Samyang 8mm lens on my NEX6 and it won't accept it. I get an error message saying its not connected correctly and invalid lens. Big Shane as it works great on shutter priority. Error message appears when I try to take a shot. I also tried to have it set to manual focus with the kit lens before I take it off but no change. If anyone has Amy suggestions to try please let me know before the end of the weekend as ill be sending it back Monday.

Sorted it!!!!! RELEASE WITHOUT LNS in MENU SET UP!!woo hoo!

Edited by Scubysnaps, 27 October 2012 - 06:40 AM.

Cheers
Paul

*Nikon D90 with Tokina 10-17 & Nikon 60mm, 105mm, Sigma 17-70, Kenko1.4 * 2 x Z240 & 2 x 12 litres...global! *

www.scubysnaps.com >)))>

#25 Scubysnaps

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Posted 27 October 2012 - 08:03 AM

Posted Image

Posted Image

Posted Image

6 feet away from corner f/22 I think 1/15 iso100

Posted Image

1 foot away from ornament f/4 1/125 ISO 100

Posted Image

I find the focus peaking very helpful as a guide to move further in or out or not.

No purple haze either.
Lens comes with 3 year samyang UK warranty.
Cheers
Paul

*Nikon D90 with Tokina 10-17 & Nikon 60mm, 105mm, Sigma 17-70, Kenko1.4 * 2 x Z240 & 2 x 12 litres...global! *

www.scubysnaps.com >)))>

#26 Scubysnaps

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Posted 27 October 2012 - 09:34 AM

I'll do some comparison shots with the Nikon D90 and Tokina 10-17 tomorrow
Cheers
Paul

*Nikon D90 with Tokina 10-17 & Nikon 60mm, 105mm, Sigma 17-70, Kenko1.4 * 2 x Z240 & 2 x 12 litres...global! *

www.scubysnaps.com >)))>

#27 gobiodon

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Posted 27 October 2012 - 11:43 PM

I'll do some comparison shots with the Nikon D90 and Tokina 10-17 tomorrow


I'm looking forward to it.
Marcell Nikolausz
Minolta Dynax 7000i, KonicaMinolta Dynax 7D, sony a100, Ikelite housing for 7000i and sony a100, two Ikelite Ai strobes
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#28 Scubysnaps

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Posted 28 October 2012 - 01:09 AM

I'm looking forward to it.

thats 2 of us then!
Cheers
Paul

*Nikon D90 with Tokina 10-17 & Nikon 60mm, 105mm, Sigma 17-70, Kenko1.4 * 2 x Z240 & 2 x 12 litres...global! *

www.scubysnaps.com >)))>

#29 Scubysnaps

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Posted 28 October 2012 - 04:10 AM

I'm sold!
http://wetpixel.com/...topic=48292&hl=
Cheers
Paul

*Nikon D90 with Tokina 10-17 & Nikon 60mm, 105mm, Sigma 17-70, Kenko1.4 * 2 x Z240 & 2 x 12 litres...global! *

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#30 oskar

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Posted 29 October 2012 - 01:58 AM

Very interesting Paul, now we want to see it underwater!

I'm looking forward to see how workable the combination is in a housing using the hyperfocal method.

I'd like the combination, but if it requires too much stop down, it's an issue for me in my usual very low light situations.

Cheers
/O

#31 Scubysnaps

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Posted 29 October 2012 - 02:22 AM

Thanks Oskar, I have a trip booked for the 23rd December, all I need is a housing! Lets hope something will evolve by then, if not I'm gonna take a quick trip to the Red Sea I think, as soon as I can get one.
I'll try some more with a smaller aperture and infinity focus when I can, maybe tonight
Cheers
Paul

*Nikon D90 with Tokina 10-17 & Nikon 60mm, 105mm, Sigma 17-70, Kenko1.4 * 2 x Z240 & 2 x 12 litres...global! *

www.scubysnaps.com >)))>

#32 Scubysnaps

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Posted 29 October 2012 - 02:41 AM

Has anyone tried those waterproof bags for taking ones camera in shallow waters? I could maybe try something like that in the shallows if I dont get any luck by Dec 23rd?

...woo-hoo!! waterproof to 30m! :)
http://www.camerasun...r.co.uk/ewa-d-b

Edited by Scubysnaps, 29 October 2012 - 02:44 AM.

Cheers
Paul

*Nikon D90 with Tokina 10-17 & Nikon 60mm, 105mm, Sigma 17-70, Kenko1.4 * 2 x Z240 & 2 x 12 litres...global! *

www.scubysnaps.com >)))>

#33 TomekP

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Posted 18 February 2015 - 12:23 AM

Because it's a dome port, it creates a virtual image (the dome port becomes a lens underwater). While it depends somewhat on the lens and camera, you should expect the virtual image with this port to extend from about 10cm to 20cm in front of the sensor; 10cm is for objects touching the front of the dome, 20cm for objects at infinity. Theoretically, you could focus at 13cm and with a large enough f-number have everything from touching the dome to infinity in focus. Except that once you go beyond f/11 diffraction is almost certainly going to soften the images though f/16 may still be acceptable (though doubtful). It may be that focusing at about 15cm at f/11 is just an all around better solution. Some trial an error is likely in order, but if you set the focus at .15m and f/11 and stuff at infinity is soft, then you'll have to adjust the focus closer to .18m. If stuff at infinity is sharp then you can work your way towards .13m.

The lens has a minimum focus of .1m, so there won't be a problem with focus inside Nauticam's 4.33" dome.

 

But the Samyang 8mm has minimum focusing distance 0,3m so is there any chance to get focused on the virtual image??

Do You know what is distance to virtual image in the 3,5 inch DomePort ???