Promaster 46mm Protection Filter - HGX Prime

Mounted this on my 50mm f/1.8 and was relieved to see absolutely zero vignetting or ghosting. The glass is crystal clear, almost like nothing’s there, but I feel better knowing it’s protected from dust.

Screwed this on before a dusty hike and didn't have to worry about a single speck getting near the glass. The threads are smooth and it's so thin I barely notice it's there, which is exactly what I wanted from a protection filter.

I was worried about image quality loss with a protective filter, but this one is so clear I honestly can't tell it's on the lens. The multi-coating seems to handle flare well in bright sun, and it's nice knowing the glass is safe from dust and scratches. Only gripe is the price feels a bit steep for