Westminster fountain at sunset

by Jorge Córdoba

submit your photo


Hall of Fame
View past winners from this year

Please participate in Meta
and help us grow.

5
votes
2answers
413 views

Will a third-party tripod mount collar hold my lens securely?

I have lost the tripod mounting ring for my Canon 70-200mm f/2.8 IS USM. It is very expensive to replace it with an original one [about £140.00 as of May 2012]. I have noticed that there exist ...
13
votes
3answers
5k views

What are the different Canon tripod mount ring types for?

What are the types of Canon's tripod mount rings? I've heard about A, B, C and D types, but have no idea what it means or what the difference between them is.