In a message dated 2/20/01 6:27:13 AM Pacific Standard Time,
rlw@xxxxxxxxxxxxxxx writes:
> Was wondering how the Olympus brand close up lenses perform in the field.
> Sometimes it's a bit of a chore to get down on hands and knees to get that
> 50 macro right up next to a periwinkle, y'know? Seems like it might be more
> fun and less tiring to use a 200m or 100m lens and get a little working
> distance. I know that other company, N*k*n makes some fairly high-grade
> close up lenses, so natch I wondered if Zuikos held their own.
Olympus does make their own 2 element but I think just for the 80/4 bellows
macro lens and they make a 2 element for the IS series in 49 and 55 mm
variety. This page has a listing of all 2 element diopters available
currently: http://www.angelfire.com/ca/erker/closeups.html
But you have to take some caution is picking the right diopter for your lens.
Say if you want a diopter that allows continuous focusing from the minimum
focus of a 200mm/4 from 2.5 meters, you have to plug those numbers into
Erker's formula.
Warren
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