A direct replacement for the Sony FDA-EP18 Eyecup. The ProMaster 1949 eyecup has a soft silicone exterior for comfortable viewing, especially for eyeglass wearers. It helps to shield light, making it easier to see the viewfinder. This item is a direct replacement for the Sony FDA-EP18 Eyecup. Please see the specifications for a list of compatible cameras. Replacement eyecup for Sony FDA-EP18. Fits Sony: A7, A7R, & A7S A7II, A7RII, & A7SII A7III & A7RIII, & A7SIII A9 & A9II A58 A99 & A99II