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01-27-2021, 09:28 AM - 3 Likes   #1
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Length of screws in K30, K50 and K500

Here are photos of a K30 and all screws with their individual length:

Bottom:




Top:



Sides + underneath rubber eyepiece:




K50 and K500 have one screw less in the center underneath the pop-up-flash!
Otherwise identical.

Thanks to a person in Saarbrücken, Germany who sent me the photos!

01-27-2021, 10:12 AM   #2
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Great pictures!
Thanks for sharing.

Please give my regards to the person from Saarbrücken
01-27-2021, 10:12 AM   #3
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Great post. Thanks! I didn't even think of documenting this when I replaced my solenoid.
01-27-2021, 11:55 AM   #4
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That's what I call efficiency

01-27-2021, 12:41 PM   #5
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Some of those differences in length, when only hundredths of a millimeter (ex: 6,84mm vs. 6,9mm), may simply be due to fastener manufacturing variances. When I was a design engineer, we tried to minimize the number of different fasteners in an assembly for simplicity and ease of inventory.
01-27-2021, 12:49 PM - 2 Likes   #6
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QuoteOriginally posted by Apet-Sure Quote
Some of those differences in length, when only hundredths of a millimeter (ex: 6,84mm vs. 6,9mm), may simply be due to fastener manufacturing variances. When I was a design engineer, we tried to minimize the number of different fasteners in an assembly for simplicity and ease of inventory.
I am certain you are right.
But then there is a slight but important difference between those screws which screw into metal and those which screw into plastic.
Some have a slight difference in thickness, thread, lead and pitch.

That's why I take either photos of each side of the body or make a short drawing, pinch tiny holes into the places the screws are located
and stick them in there.


A simple drawing is done within few minutes.
But because I knew this was not going to be just one repair anymore, photos glued on cardboard served best.

One can actually just copy photos from the internet and print those.

So what all screws have in common:

They are all JIS!
01-29-2021, 12:26 PM   #7
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QuoteOriginally posted by photogem Quote
That's why I take either photos of each side of the body or make a short drawing, pinch tiny holes into the places the screws are locatedand stick them in there.
Great idea!
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