C100: screwdrivers that work on Cinema EOS and EF lenses?

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drummondb

Well-known member
This must sound dumb, but I'm having a hard time finding screwdrivers to tighten the small philips screws on my C100s, C300/II and my EF lenses.

Can someone recommend a nice screwdriver or set that they know works well? Preferably Amazon, but I'll take anything.

And can anyone confirm the size? #000? #0000?
 
I keep trying variety sets with no luck. I can't see for sure on the orange Vasta set you posted, but I don't see the size 0 or smaller on that blue Oria set.

From what I've researched, these are the smallest philips screwdrivers in existence: 0, 00, 000, and 0000. Anybody know which one fits those tiny screws on EF lenses?
 
Both sets include JIS (Japanese Industrial Standard) screwdrivers in 0, 00, and 000, which just about cover everything on the planet.

But wait until you can confirm with someone else with what you exactly need for sure as I don't want to point you in the wrong direction.
 
drummondb said:
From what I've researched, these are the smallest philips screwdrivers in existence: 0, 00, 000, and 0000. Anybody know which one fits those tiny screws on EF lenses?
Click to expand...

I just put an 00 and an 000 in the mount screws of a Canon 24 70 f2.8. Can't say exactly which size, but both fit well enough to add and remove the screws. I use this Tekton set:
https://www.amazon.com/TEKTON-2830-...&qid=1508958597&sr=8-1&keywords=tekton+laptop

Originally purchased to hack my laptop, I've used it to convert a set of Zeiss Zf.2 and a set of Leica Rs to EF using Leitax mounts. The bits don't seem to be made of the highest quality metal from this set, but they do the job provided I'm not in a rush. I should add that I also used this set to remove the servo grip from a Canon 17 120.

Hope this information proves useful.
 
I think NorBRo is right: it needs a "Japanese Industrial Standard" screwdriver.

From what I've read online, an JIS screwdriver might work OK for regular Phillips screws, but not always vice versa. Before I got some JIS screwdrivers, I was breaking the tips on small Phillips screwdrivers and damaging the screws on my C100 and EF lenses. This might be why.
 
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