MINT in BOX!] Zeiss Distagon Milvus 18mm f/2.8 ZF.2 Lens w/ B+W 77mm UV Filter - Green Mountain Camera
21 UV & protection filters are put to the test and the results are rather surprising - DIY Photography
NOVO Excel Pro 77mm UV Filter
UV filters test - supplement - Fomei WDG-MC Ultraviolet 72 mm - LensTip.com
K&F XU08 77mm UV Protection Filter Multi Coated Ultra-Slim
This UV filter can survive a 100ft drop - DIY Photography
Lens Rentals test shows all circular polarizing filters work great, price doesn't matter: Digital Photography Review
K&F Concept Polarising and UV Filter Review — Thomas Fitzgerald Photography
Amazon.com : B + W 77mm UV Protection Filter (010) for Camera Lens - Xtra Slim Mount (XS-PRO), MRC Nano, 16 Layers Multi-Resistant and Nano Coating, Photography Filter, 77 mm, Clear Protector :