I was spinning through the numerical sequence of shutter speeds on my meter, and found the actual sequence a bit odd when you get beyond 8 seconds.

In half steps it goes:

1 1.5 2 3 4 6 8 10 15 20 30 45 60 90 120...

I'd guess the accurate sequence would really be:

1 1.5 2 3 4 6 8 12 16 24 32 48 64 96 128...

Some of the differences are insignificant, but some amount to 2/10 of a stop ina ccuracy. I know the accepted sequence rolls of the tongue easier, but given tha t we time these long exposures with kitchen timers or similar devices, why not u se the more accurate numbers. It just seems weird that meters which measure lig ht to within 1/10 of a stop would deceive you by 2/10 of a stop by design.