Hi Peter! > glass type they use, but its probably L39. At one time I used Sky filters > exclusively until I understood the true differences, from that > point onward > sold off and never bought another sky filter.
Would you explain the true difference between sky and UV filters? Regards! * **** ******* *********************************************************** * For list instructions, including unsubscribe, see: * http://www.a1.nl/phomepag/markerink/eos_list.htm ***********************************************************
