Quote:
Originally Posted by Spookyer
Yeah, given the SBIG can't control the lens there is no way I know of to stop the lens down a bit unfortunately other than trimming my bit of plastic sprue so it doesn't hold the aperture totally open. Bit unscientific?
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I dont do any work with lenses but I have seen people make a mask to stop a lens down manually. Now that you have it shooting wide open all you need to do is make a piece of card to put over the end of it with a hole cut in it at the diameter you want.