I have the 8x30 CL, and love them. They perform as well as my 10x42SLC I bought in 1994 in low light. I love that they keep flying birds in focus better than the 10x42, for quick viewing. But I'm thinking of upgrading to the 8.5x42 EL. Is it going to gain me much? I love that the so much depth is in focus with the 8x30 CL. Will I lose that with an 8.5x42?