john di nenna Posted May 31, 2002 Share Posted May 31, 2002 Hi. Why do you need to use the 150-250 mm mask on the pro shade when using the 150 or the 250 mm lens? Thanks. John Di Nenna Link to comment Share on other sites More sharing options...
ted_brownle Posted June 3, 2002 Share Posted June 3, 2002 John, The mask provides better shading for the longer lens because the bellows does not extend far enough. Making the bellows extend farther compromises portability. Link to comment Share on other sites More sharing options...
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