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How to interpret the firmware version numbers?


Novi, US
238 posts

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mdallie Silver Member Nikonian since 03rd Jan 2011
Sat 14-May-11 07:19 PM

I just did the firmware update on my D7000. When I finish, I go to the firmware version and it says:

A: 1.02
B: 1.02
L: 1.002

So I'm trying to understand why there are three numbers, and what does the third number mean?

I have Thom Hogan's book and was hoping that would explain it for me. It doesn't. The upgrade instructions on the NIkon site don't explain it, either.

This isn't exactly a make or break issue, but if anyone knows the answer I'd sure like to know what it is. Quite honestly, the L number being different from A and B doesn't make me feel too good.