Tony_S
newbie
Reged: 04/09/2005
Posts: 29
Loc: Manchester UK
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Hi
I recently got hold of a Ewa marine housing, the choice of which housing to get was difficult, due to the way they are made to fit maximum filter sizes and overall length.
I settled on the standard housing, but this didn't fit either my Canon 24-70 f2.8 (didn't want to chance it anyway!) or my Sigma 24-70 f2.8 (realy my daughters, was mine, but I try to be a good dad) so it was decided I would blow the dust off the 18-55 kit lens! One session out in the water has left me now wanting to look elsewhere.
For the housing I have there are plenty of options. The range of the 18-55 would appear to be OK.
I reckon I have to decide between the Sigma 18-50 f2.8 (I do a lot of band photo, so another f2.8 would always get some use) or the Canon 17-85 f/4-5.6 IS which just fits at maximum length.
Any advice would be appreciated regarding the lens choice I have mentioned
Cheers
Tony
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PapaLazarou
Mr Joyful
Reged: 04/01/2006
Posts: 206
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Do bear in mind that under water there is an additional conversion factor, so on top of the 1.6x sensor crop you can pretty much double it again...
So the wider the better.
Also, unless you risk AWB you will need to think about filtration to colour correct, these vary in colour and opacity by depth, but they all cut out light, so think fast as well...
Something like a sigma 20mm f1.8 would be a good 'standard' lens, but this is also a pretty bulky lens, so you would need to look at if it would fit into the housing..
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