[Leica] RE: Calibration or check for Sekonic Studio L-398?

[vick.ko at sympatico.ca (Vick Ko)]

> Can someone tell me a simple procedure to check if a Sekonic L-398 is
> calibrated?
> 
> I bought a mint condition one, and was checking its calibration
> against my ancient Gossen.  Frankly, with one meter, you know the
> exposure.  With two, you don't.
> 
> In any case, I was "metering" with the Sekonic on a bright cloudless
> day, and the Sekonic seemed to be really sensitive, and off the "Sunny
> 16" by about 1/2 to 3/4 stops.   I know that the Sekonic is an
> incident meter.  If I pointed the Sekonic straight up, it was metering
> high.  If I point it horizontal towards the sun, it was closer to
> correct, maybe only 1/3 stops off.
> 
> Is there a recommended way to check the Sekonic?
> 
> The Gossen Lunasix 3 with its incident light cap appears a lot less
> sensitive to directionality, than the Sekonic.  
> 
> Do you find that true, both the lower sensitivity of the Gossen, and
> the higher sensitivity of the Sekonic?
> 
> Regards,
> 
> Vick Ko