60FiltersFiltersFiltersFiltersType Effectiveness of FiltersTU UVAbsorbs only ultra-violet rays. Especially effect-tive at seaside, and on high mountains. Recom-mended for use in color photography.T Y1Y3Increases contrast of black and white film. En-hances clouds, darkens the blue sky. Brightensred and yellow.T O1Darkens blue, lightens yellow and red percep-tibly. Good for contrasts especially in distantlandscapes.T R1 Makes strong contrasts. May also be used withinfrared film.T G1Prevents red from turning radically into white.Lightens sky and face appropriately, and reflectsthe lightness of fresh greenery.TU ND4 ND8 ND4 reduces light values by 1/4, ND8 by 1/8.No effect on the reproduction of colors.U SKYLIGHT Acts to harmonize the blue sky and shade.U CCA4 For use with daylight type film under cloudyconditions.U CCA8 For use with tungsten type film in themorning sun or sunset.U CCA(12) For use with tungsten type film under sunlight.U CCB4 For use with daylight type film in the morningsun or sunset.U CCB8 For use with daylight type film and clear flashbulb.U CCB(12) For use with daylight type film under tungstenlight.T For black and white film. U For color film.Various types of filters, for differentlens thread diameters, are available forspecial effects in both color andblack-and-white photographs. Thethrough-the-lens exposure measure-ment system of Canon F-1 does notrequire exposure factor compensationfor filters.Not For Resale – Free Download at http://www.joe-chan.com/manuals