russell_bastock Posted December 17, 2021 Share Posted December 17, 2021 I've had a screw come loose on my 5D MkIV. The black screw is on the front of the body between the lens bayonet and the prism. Does anyone know the exact size of the screwdriver for this? Its not a phillips driver and I don't want to purchase a kit of drivers. Link to comment Share on other sites More sharing options...
peter_c5 Posted December 17, 2021 Share Posted December 17, 2021 Why don’t you ask the guys at Lens Rentals? They do a series of body and lens stripdowns and frequently comment on the fancy screwdrivers required. Link to comment Share on other sites More sharing options...
russell_bastock Posted December 18, 2021 Author Share Posted December 18, 2021 Why don’t you ask the guys at Lens Rentals? They do a series of body and lens stripdowns and frequently comment on the fancy screwdrivers required. Thanks, I'll give them a try Link to comment Share on other sites More sharing options...
paddler4 Posted December 22, 2021 Share Posted December 22, 2021 I would worry less about size than type. It looks like a Phillips, but there is at least one other type, the JIS screw, that has the same cross pattern but a different angle of the slots. JIS screws are used in Japanese electronics, so they might be used in the 5D IV. I'd definitely check with someone in the know. Link to comment Share on other sites More sharing options...
ajkocu Posted December 23, 2021 Share Posted December 23, 2021 If the screws are the same as in the 5D MK lll, I checked with a #000 Philips screw driver. The fit was nice and secure and I was able to loosen and retighten the screw. Link to comment Share on other sites More sharing options...
russell_bastock Posted December 26, 2021 Author Share Posted December 26, 2021 Its a JIS - I just couldn't remember the term for it - so I was looking to just buy one JIS driver for that screw rather than the whole kit. I would worry less about size than type. It looks like a Phillips, but there is at least one other type, the JIS screw, that has the same cross pattern but a different angle of the slots. JIS screws are used in Japanese electronics, so they might be used in the 5D IV. I'd definitely check with someone in the know. Link to comment Share on other sites More sharing options...
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