anthony_wallace Posted March 21, 2008 Share Posted March 21, 2008 Hi there, I'd like to take some closer portraits and have just been given an extension tube 8, which I hear are rather expensive, so am very happy! I use the 80mm f2.8 T* lens and a 500CM with 400ASA Portra NC. My question is how do I meter for using the tube? Is there a rule of thumb or is the loss of light minimal? And do you have any advice that may come in useful for when using extension tubes please? (I've already been warned about not taking it off before cocking the shutter...) Many thanks and Happy Easter! Anthony Link to comment Share on other sites More sharing options...
john_gleason1 Posted March 21, 2008 Share Posted March 21, 2008 Try this, for starters: http://www.hasselbladhistorical.eu/HT/HTComp.aspx Link to comment Share on other sites More sharing options...
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