1、[Enhanced Comfort] Made of soft silicone material, this eye cup provides cushioning for the camera viewfinder, effectively reducing fatigue during long photo taking sessions. 2、[Easy Installation] The eyecup can be easily and securely installed on the camera viewfinder, providing better viewing experience without external light interference. 3、[Wide Compatibility] Compatible with for A7M4 A73 A7M3 A7R2 A9 A7R3 A7R4, this replacement eyepiece eye cup offers a perfect fit for various camera models. 4、[Hot Shoe Level] Hot shoe level helps you to correct angles when unsure if your camera is on the level line, making it convenient to calibrate without repeatedly using a separate leveler. 5、[Hot Shoe Cover] The hot shoe cover effectively guards metal contacts from dust, static, and oxidation when the camera is not in use, promoting longevity and optimal performance.