Filter calculation confusion...

Discussion in 'Beyond the Basics' started by superspud, Oct 29, 2004.

  1. superspud

    superspud TPF Noob!

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    hi, i am new to this ad i just got a no frills meopta axomat 4 B&W enlarger for £25 and it came with about 30 acetate filters and about 3 glass ones. a little box has about 7 envolopes in with thin coloured accetate filters in and a 'ilfospeed multigrade calculator' its a disc with another rotating disk on top. the moving disk is the filter number and the other is exposure time in seconds.

    how does that work? i have been spinning it for ages and nothing has come up.... there is no line to line up the filter number with...
     

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