Quote:
Originally Posted by Elmo
If UV filters are so important why are filter threads omitted on all upper end long telephotos?
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They use drop-in filters - it cuts down on cost. The weight and cost of using filters that large would become prohibitive.
I never said they were vital to the lens's operation - but there's no good reason to not use them. Meanwhile, there are very good and practical reasons to use them. As for ghosting/flaring, MC filters do indeed eliminate them for most cases. Any lens will flare under certain conditions, however, filters or not.
I'm not sure which filters you're seeing ghosting with, but I've never had that problem with decent-quality MC filters.