My NEW-er Logitech MX518 arrived! - Page 4 - Overclock.net - An Overclocking Community
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My NEW-er Logitech MX518 arrived!

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post #31 of 36 (permalink) Old 05-12-2019, 10:22 AM
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Quote: Originally Posted by jayfkay View Post
^
those, aka D2FC-F-7N with 20m rating or less (trust me, its more than enough). the new 50m rated ones are the bad ones, too stiff and very loud.
The 'F' in the second section is what tells you it's the lower force spring. That's not determined by the longevity rating.

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post #32 of 36 (permalink) Old 05-12-2019, 11:23 AM
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Quote: Originally Posted by TranquilTempest View Post
The 'F' in the second section is what tells you it's the lower force spring. That's not determined by the longevity rating.
First of, I made a mistake: The MX518L uses 20m rated ones, not 50m.
Secondly, NOPE, you are WRONG. The difference is in quality / manufacturing. The new D2FC-F-7N(20m) used in the MX518L have a different model number.
Left: new model used in the Legendary, hard and loud. Right: old model used in the G400, fainter and smaller letters.


Likely from a different factory or they changed manufacturing processes. Either way, look for omrons where the letters look like on the right, thinner and more faint.
Alternatively, I assume the number represents batch? So look for a lower number aka earlier batch.

Imo the best switches were the ones used in the original MX518, which I think were 5m rated. They are just called D2FC-F-7N without a rating in the name.
So those are the ones I would buy. but "old" 20m rated ones will do fine too. I wouldn't bother with any other switches, these are the springiest and most pleasant to rapidfire from my experience, low travel time, spring back fast, quiet, seem to go well with the shell.
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post #33 of 36 (permalink) Old 05-15-2019, 04:41 AM
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Quote: Originally Posted by audax View Post
This is a 1-3-1 grip mouse. Your index, middle, and ring finger go on top of the mouse and your pinky goes under the ledge. Yes, under it.

Try it for a few days.
I did try it for a few days. My ring finger now sits on the side of the ledge, pinky goes under it. Very comfortable after getting used to it (which indeed did take about ~30h).
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post #34 of 36 (permalink) Old 05-21-2019, 02:31 PM
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Just desoldered the D2FC-F-7N (20M) switches and replaced them with normal D2FC-F-7N switches.

The clicks are a little less stiff (maybe even this is placebo) but they still click with a "twang" and they're still just as loud. That's really interesting, it must be the shell that causes this effect.

I'll shell swap it with a G400s later.

The replacement switches have no lifespan ratings on them so it's quite possible I replaced the switch with the same exact thing.

Last edited by Futsal; 05-21-2019 at 02:48 PM.
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post #35 of 36 (permalink) Old 05-22-2019, 06:44 AM
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Quote: Originally Posted by Futsal View Post
The clicks are a little less stiff (maybe even this is placebo) but they still click with a "twang" and they're still just as loud.
Comparing both switches outside the shell I can hear a significant difference.
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post #36 of 36 (permalink) Old 05-25-2019, 08:37 AM
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Quote: Originally Posted by audax View Post
This is a 1-3-1 grip mouse. Your index, middle, and ring finger go on top of the mouse and your pinky goes under the ledge. Yes, under it.

Try it for a few days.
I have my ring finger directly beneath that ledge - and its great for picking it up.
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