Try Michael Frye Photography.com He has a book that you can down load for $5.00.
I'm sure starbuck coffee co.would be offended if I used their lid for this purpose however, I might try anything to save money.
I am using a canon 300 f4 lens at this time.
Has anyone tried the expodisc. to create custom white balance?
I have these two converters. Why would I need the new canon 2 and 3 converters. Are they that much better then the originals?
just acquired canon 300 f4 lens. should I set the lens to 1.5m or 3m to infinity. Plan to use 1.4 converter with it for bird and wild life.
Thanks Traveler and awagner . Feeling better about this lens.
Vern Denman Mc Allen Texas.