No F Stops :( :(

Trev Rich

Trev Rich

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Trev
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Just bought some macro extension tubes off of flea bay, didn't even think about the fact that the connection will be lost between lens and camera :'(
Nevermind, will just just the shutter speed and iso to get the exposure right..

No I just need to figure the best way to use them. :eek:
 
Trev Rich said:
Just bought some macro extension tubes off of flea bay.....
Click to expand...

Trev....Are these are the tube sets where you have 3 or 4 different size barrels and then the body and lens mounts separate? If they are, then a word of caution. Frequently unscrewing and refixing the tubes will generate a very fine aluminium dust from the threads....make sure this dust doesn't migrate into your mirror box or onto the rear element of the lens. Maybe a very light smear of vaseline would help :shrug:.

Bob
 
Canon Bob said:
Trev....Are these are the tube sets where you have 3 or 4 different size barrels and then the body and lens mounts separate? If they are, then a word of caution. Frequently unscrewing and refixing the tubes will generate a very fine aluminium dust from the threads....make sure this dust doesn't migrate into your mirrir box or onto the rear element of the lens. Maybe a very light smear of vaseline would help :shrug:.

Bob
Click to expand...

ohhhh... you are right...
best get the vaseline out then :)

Down boys :nono:
 
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