At 09:13 AM 3/2/2001 +1100, John Wheeler wrote:
>Greetings from the Wide Brown Land.
Greetings from The Great White North. ;-)
[snip]
>The only problem seems to be that the diaphram gets sticky on the smaller
>apertures and fails to return to wide-open position. I've removed the back
>plate from the lens and had a little play to see if it could be freed but
>not wanting to upset focus etc didn't wish to proceed further.
>
>Is this a common problem? Is there anything I can do to fix it?
John:
Sounds like the diaphragm blades have a small amount of oil or other skunge on
'em. Since 50/1.8's are so cheap, I wouldn't bother getting 'em cleaned --
just go and buy a good used one off of eBay or somesuch place.
Garth
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