This Hoodman Eyecup specifically for Mirrorless Sony Series A7 and A9 is comfortable, accessible, and efficient in reducing ambient light from your viewfinder.
It further minimises eye fatigue for extended use outdoors.
Essentially, this eyecup will replace the OEM Sony Alpha a7- and A9-series eyepieces.
It is durable and built to last, whilst also being constructed from hypoallergenic silicone rubber.