Quote:
Originally Posted by fsr
Can't the tab be kept pressed, by taping it, or something like that? If not, probably your only chance is to remove the tab, as you cannot modify the lens distance from the mount, or it won't focus to infinity.
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Thanks fsr, yes thought of removing it but there goes my resell value to someone using it for non-astronomy. There is not only the aperture tab but a raised (to the same height as the tab) metal shoulder that protects the aperture tab from damage. Its actually part of the inner body of the lens. So looks like my only option other than removing it is a filter at front.
Thanks for your thoughts... cheers Steve