Adorama has nice deals on Sirui UV and CP filters in 77mm and 82mm sizes. Adorama is closed for the Passover store closing, but if you order now (while stock is available) it will ship when they re-open at the end of next week.
Sirui 77mm, 82mm UV or CP Filters, from $19.90 at Adorama
See deal archive for:
If you purchase something through a link on our site, we may get a small share of the sale (at no cost to you). Please read our disclosure for more info.