138mm 85 Color Conversion Filter Filmguard then mounting to precision metal

then mounting to precision metal rings

በድምቀቶች ዙሪያ የጠለፋ ውጤት በሚፈጥሩበት ጊዜ የጥላ ዝርዝርን ይጨምራል

The proportion of clear space to the diffused pattern on the glass determines the strength of the filter and enables the overall image quality and sharpness to be retained

ገለልተኛ ጥግግት ማጣሪያዎች አራት ዋና አጠቃቀሞች አሏቸው

Low-Profile Titanium Filter Ring

138mm 85 Color Conversion Filter Filmguard then mounting to precision metalThe Tiffen 138mm 85 Color Conversion Filter helps to decrease the color temperature from 5500 to 3400K, allowing the use of tungsten balanced film in daylight conditions. The warming effect of this filter requires a 0. 6 stop increase in exposure for normal results. This filter is made using ColorCore technology, a process that involves laminating the filter substrate between 2 pieces of optical glass, grinding flat to a tolerance of 1 10,000th of an