I need simple instructions for attaching lenses to the front of my Ikelite box for a Nikon p5100.
It seems odd that Ikelite make such a fine thread in nylon when every attachment is metal.
Cross-threading seems inevitable if I haven't already.
Any thoughts on how to avoid it- there isn't a definite click or orientation when turning counter-clockwise and I'm most certainly not going to try this underwater...
Cross-threading 67mm
Started by agshep, Apr 05 2012 03:38 AM
4 replies to this topic
#1
Posted 05 April 2012 - 03:38 AM
#2
Posted 05 April 2012 - 04:09 AM
I always screw things backwards until I feel them catch then
I screw in normal direction.
I screw in normal direction.
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#3
Posted 05 April 2012 - 02:25 PM
I put grease on the threads for less friction and wearing out.
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#4
Posted 05 April 2012 - 03:35 PM
I always screw things backwards until I feel them catch then
I screw in normal direction.
Yes, that is the way to do it with any tread, but especially with treads of plastic or very fine treads.
Screwing backwards gives you a tactile feeling that the tread locked in place and is safe to screw on.
I don't think that grease is a good solution as it may aggravet the problem of cross-treading as the necessary
force for screw in it on - either right orwrong - will be reduced and second the grease may get on the lens with a terrific
impact on the pictures.
Chris
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Canon G12 with Patima aluminium housing - Fuji E900 with Ikelite housing
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#5
Posted 21 April 2012 - 04:37 PM
I noticed that problem as well. I have just been as careful as possible, stopping straight away when you notice it is not in the right tracks. I was scared of slicing the nylon threads of the housing off, but after more than one year (of a steady few dives a week) and a loooot of changing lenses everything still works OK luckily.
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