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Hello from North Wales
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pgk



Joined: 15 May 2010
Posts: 46

PostPosted: Mon May 17, 2010 1:38 am    Post subject: Hello from North Wales Reply with quote

Hi. I'm Paul and I'm a North Wales photographer specialising in underwater photography. I shoot a lot of macro underwater and currently use a Canon 5D2 with 100usm macro and 60 EFS macro (with a 12mm extension tube this lens just covers full frame). You can see a few of my macro images here:
http://www.paulkayphotography.co.uk/Paul_Kay_Photography_Underwater_2.html
http://www.paulkayphotography.co.uk/Paul_Kay_Photography_Underwater_4.html
http://www.paulkayphotography.co.uk/Paul_Kay_Photography_Underwater_6.html
Although I've shot plenty of macro at around 1:1 before, I am now building a macro set-up for higher magnification seashore photography and also for micro aquarium work (I'm making very small aquaria from transparent plastic boxes with cut outs and large coverslips fitted over them). I want to shoot in the 2~15x range I think. So far I've modified a Leica R tube set to fit Canon and added several more tubes to give me a very portable and rigid system and am awaiting a Thorlabs translation stage to get it all up and running. Any comments or tips on field equipment will be welcomed when I've started to use it and can post some images.
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Craig Gerard



Joined: 01 May 2010
Posts: 2877
Location: Australia

PostPosted: Mon May 17, 2010 1:53 am    Post subject: Reply with quote

Superb images Paul!

Welcome Smile

Craig
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Harold Gough



Joined: 09 Mar 2008
Posts: 5787
Location: Reading, Berkshire, England

PostPosted: Mon May 17, 2010 2:37 am    Post subject: Reply with quote

Wow! That lobster (crawfish?) portrait is stunning. (A strong candidate for the monthly Appreciation award?).

We don't get many marine inverterbrates shots here. (I'm not too sure of the scope of the microscope specialists).

Harold
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Cyclops



Joined: 05 Aug 2006
Posts: 2968
Location: North East of England

PostPosted: Mon May 17, 2010 4:22 am    Post subject: Reply with quote

Welocme aboard Paul!! Great shots there Very Happy
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Canon 30D | Canon IXUS 265HS | Cosina 100mm f3.5 macro | EF 75-300 f4.5-5.6 USM III | EF 50 f1.8 II | Slik 88 tripod | Apex Practicioner monocular microscope
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pgk



Joined: 15 May 2010
Posts: 46

PostPosted: Tue May 18, 2010 8:50 am    Post subject: Portable set-up Reply with quote

I've finally sorted what I hope may prove to be a usable set-up for use on the seashore. It might be of interest to others as I've used existing, readily available parts - mainly used Leica/Leitz items - and have converted them for use on the Canon with a Leitax mount. A mix of RRS, Kirk, Arca and Overxposed components together with a Thorlabs stage have finally completed this. My aim has been for rigidity at the expense of some versatility - I opted for tubes rather than bellows and as can be seen these are reinforced with bungee! I can increase tube lengths in 25mm increments (bottom centre) and have several adapters including Leica 39 screw thread (bottom left). Any comments will be welcomed regarding any improvements or suggestions.
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dunksargent



Joined: 25 Apr 2010
Posts: 175
Location: Cambridgeshire UK

PostPosted: Tue May 18, 2010 9:11 am    Post subject: Reply with quote

Hi Paul, Good to see you here and your setup looks 'THE BIZ!' . Look forward to seeing the results.

Cheers

dunk in Peterborough UK
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Aynia



Joined: 01 May 2008
Posts: 724
Location: Europe somewhere

PostPosted: Tue May 18, 2010 12:35 pm    Post subject: Reply with quote

Wow. Superb images - especially the Scottish lobster!! How did you light them? Just flash, macro flash, or some kind of light?

I'd never venture that far underwater, but I am curious about the light because they are beautifully lit.
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pgk



Joined: 15 May 2010
Posts: 46

PostPosted: Tue May 18, 2010 2:15 pm    Post subject: Reply with quote

Aynia

Thanks.
I usually use a single flash unit - most underwater ones are typically wide beam - usually in front of the lens, low and to one side. This seems to give effective results as the size of the tube and reflector is pretty large compared to many subjects.

dunk. Its a small world these days!
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dunksargent



Joined: 25 Apr 2010
Posts: 175
Location: Cambridgeshire UK

PostPosted: Tue May 18, 2010 3:17 pm    Post subject: Reply with quote

pgk wrote:
Aynia

Thanks.
I usually use a single flash unit - most underwater ones are typically wide beam - usually in front of the lens, low and to one side. This seems to give effective results as the size of the tube and reflector is pretty large compared to many subjects.

dunk. Its a small world these days!


Very small indeed ... especially in the Photomacrography Forums

Cheers

dunk

Laughing
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Aynia



Joined: 01 May 2008
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Location: Europe somewhere

PostPosted: Tue May 18, 2010 3:22 pm    Post subject: Reply with quote

Thanks for the explanation.

I think these are exceptional photos!!!

I wish I'd taken them!!


(I am totally camera-less at the moment which perhaps makes me more envious!!!!)
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The BAT



Joined: 02 Sep 2009
Posts: 111
Location: Ballarat, Australia

PostPosted: Wed May 19, 2010 5:29 am    Post subject: Reply with quote

Hi Paul,

It's lovely to see you posting on this site. I'm now permanently 'unable' to dive and have been having a lot of fun putting my u/w camera to good use on land.
Your ideas of the small aquaria and sea-shore photography sound very exciting and it might be a way that I could also get back some of my 'sea-legs' ???
I learnt a tremendous amount from you during our discussions through the U/W forums and I'm sure that your experience will be very valuable around here. . . . hopefully.

Bruce
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Cyclops



Joined: 05 Aug 2006
Posts: 2968
Location: North East of England

PostPosted: Wed May 19, 2010 5:39 am    Post subject: Reply with quote

Fantastic set up there!!
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Charles Krebs



Joined: 01 Aug 2006
Posts: 5803
Location: Issaquah, WA USA

PostPosted: Sat May 22, 2010 9:20 am    Post subject: Reply with quote

Paul,

Welcome! Great images.

Quote:
(I'm making very small aquaria from transparent plastic boxes with cut outs and large coverslips fitted over them). I want to shoot in the 2~15x range I think.....
... Any comments or tips on field equipment will be welcomed when I've started to use it and can post some images.


I've worked a bit with little tanks like you describe.

One thing that I've thought of trying for some time has been a "micro" tank with a very flexible vinyl or polyethylene front that has a glass lens port that can be attached to the front of the lens. With high magnification through glass (even cover slip thickness) it's best to have the lens axis perpendicular to the glass, which is not always easy to do without compromising an image "composition". A "bag" front would take care of that issue, and allow for much more freedom in the approach to the subject. This would probably only work with larger "mini-tanks" (how's that for an oxymoron!) and with certain subjects and modest magnifications as the movement of the lens would create currents and water level changes that would move small unattached subjects around too much. Might be impractical and more trouble than it's worth, but I've often wondered...

Yet another "odd" thought I've yet to try with mini-tanks stems from the frustration of being unable to move the subject around to get it at an appropriate distance and orientation to the camera or front window. Have the immobile parts of the mini-scene attached to small base plates of metal. These could then be moved/rotated via a magnet under the base. Again, probably only useful with only certain subjects, but there have been times I would have loved that capability. Worth the trouble...?
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Craig Gerard



Joined: 01 May 2010
Posts: 2877
Location: Australia

PostPosted: Sat May 22, 2010 6:05 pm    Post subject: Reply with quote

Paul,

I noticed a snippet of information regarding Aquarium Slides on Graham's (gpmatthews)website. (right-hand side of page)

Micro aquariums:
http://www.gpmatthews.nildram.co.uk/index_micro.html

Craig
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The BAT



Joined: 02 Sep 2009
Posts: 111
Location: Ballarat, Australia

PostPosted: Sat May 22, 2010 6:13 pm    Post subject: Reply with quote

Hi Charles,

There is a company called Ewa-Marine that specializes in 'plastic bag' type underwater housings for cameras/videos. These 'bags' are waterproof and each one contains a quality optic port that the camera lens attaches to and 'sees' through. I see no reason why the process couldn't be reversed with the water and aquatic subjects on the inside and the camera attached to the port from the outside?
HTH. . .

http://www.ewa-marine.com/index.php?id=7

Bruce
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