Add the combination of a _bright_viewfinder_ (faster lens and 2-13 screen
in OM-2S/3[ti]/4[T]) with the dioptric correction and the difference is
amazing. I would rate dioptric correction as the first order improvement
and having a brighter viewfinder second. Note that the OM-2S and upward
bodies have slightly dimmer viewfinders than the earlier ones due to their
semi-silvered mirrors. The correction enables much more accurate focusing
using the micro-prism ring around the split image.
My major issues with AF are what it focuses on and its ultimate breakdown
in low light. Speed and accuracy within the higher end bodies and lenses
has been improving. I'm still not comfortable with the machine deciding
what it will focus the lens on and some of the hunting for a focus that can
occur in very low lighting. I can still manually focus where I want the
critical focus to be faster. The breakdown under very low light levels is
a double problem. The AF lenses tend to be slower and viewfinders on the
body dimmer. When it cannot AF for lack of light you're stuck with a slow
lens and dim viewfinder that makes it difficult to take over from the
machine. I'm staying with manually focused bodies and lenses.
-- John
At 15:19 2/2/01, Chris O'Neill wrote:
Someone else mentioned it awhile back, but it bears repeating... For
those who's eyes are fading with age, particularly those who wear
progressive lenses (or contacts), the addition of an eyecup 2 and the
appropriate dioptric correction lens makes a BIG difference!
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