Do I need a correction lens to fit into the viewfinder diopter if the correction on my eyeglasses is a +2.5? Does this mean that the adjustment necessary is outside the normal range of just the diopter?

Pentax has one available - a +2.0.

Could anyone please enlighten me on this?

-- john j zombek (jzombek@webtv.net), June 27, 2000