I bought a used Canon EF 300mm f/2.8 Len (not a IS Len) in early time, I do want to know how to classified the generation of the lens, what is the different between the 1st generation, 2nd generation and also the lastest one.

-- Eugene FUNG Yau Cheong (eugene02@netvigator.com), December 15, 2000

Answers

Generation I (Metal hood) Generation II (Plastic Hood) Generation III (CF hood, IS)

-- Alex Yap (hashigou@yahoo.com), December 29, 2000.