Hi!
I have just bought a Canon 17-40mm lens for my Canon 5D and I would like to use it under the surface. I have the 8" dome from Aquatica and I need some help if I have to get a diopter or not when using the 18457 extension ring?
Aquatica Canon 5D + 17-40mm
Started by Marco P, Jan 02 2013 07:59 AM
3 replies to this topic
#1
Marco P
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Clownfish
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Posted 02 January 2013 - 07:59 AM
Marco Pennbrant
Canon 5D, Aquatica housing, 2x Subtronic Pro160, ULCS and Subtronic arms.
www.pennbrantphoto.com
Canon 5D, Aquatica housing, 2x Subtronic Pro160, ULCS and Subtronic arms.
www.pennbrantphoto.com
#2
Viz'art
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Posted 02 January 2013 - 08:27 AM
Marco, the diopter is not obligatory, but it will improve close focusing performance, you can use either a +2 or +3 (harder to find)
Jean Bruneau / Aquatica Technical Advisor
www.vizart.ca
www.aquatica.ca
Aquatica Pro Digital housings for D-300s, AF 10-20mm, AF 10-17mm, AF 14MM, AF 17-35mm, af 17-70mm, AF 20MM, AF 60MM, AF 105MM, 2x Ikelite Ds 160, and TLC arms exclusively
www.vizart.ca
www.aquatica.ca
Aquatica Pro Digital housings for D-300s, AF 10-20mm, AF 10-17mm, AF 14MM, AF 17-35mm, af 17-70mm, AF 20MM, AF 60MM, AF 105MM, 2x Ikelite Ds 160, and TLC arms exclusively
#3
Marco P
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Clownfish
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Posted 02 January 2013 - 09:14 AM
Ok, thank you for your answer Jean. I will try without it first and see if I´m happy with the result.
Marco Pennbrant
Canon 5D, Aquatica housing, 2x Subtronic Pro160, ULCS and Subtronic arms.
www.pennbrantphoto.com
Canon 5D, Aquatica housing, 2x Subtronic Pro160, ULCS and Subtronic arms.
www.pennbrantphoto.com
#4
JimG
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Posted 03 January 2013 - 01:14 AM
Marco
I used one with a 5D and the Aquatica 8" - I still do with a 5D mk2 - it definitely helps the corners to use a +2. Never tried a +3. Try to keep your aperture at f8 or tighter for the same reason.
I used one with a 5D and the Aquatica 8" - I still do with a 5D mk2 - it definitely helps the corners to use a +2. Never tried a +3. Try to keep your aperture at f8 or tighter for the same reason.
Jim Greenfield - Canon 5D Mark 2/Aquatica
My Web Site
My Web Site
