i have a hoya pro 1d on my 70-200 f2.8 L mk2 and a b&w on my 24-70 f2.8 L shooting long exposuers at night causes both filters to give massive flare or reflection issues remove them all is fine... im considering removing filters all together as it cant be good putting cheap glass in front of your expensive lens its only ever going to degrade the quality of your image so your best buying a cheap lens i think im only going to put my filters on if in bad rain dusty environments nightclubs etc what do yous think?
