Quote:
Originally Posted by LewisM
Could you not delay the exposure until after the iris is open and stabilised? MaxIM has this feature in one of the side menu's, and I do this ALL the time with the FLI with a similar iris - I give it a 2 second delay between opening the iris before the exposure begins.
This would seem to circumvent the problem entirely - I also found short exposures BEFORE I used this technique showing the shadow of the iris.
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I employed a more basic solution. A Chesty Bond special across the objective before mounting light box.
P