Sony WH-XB910N Headphones Self Repair Kit plus20 The optical design includes three

The optical design includes three fluorite elements that help to minimize axial chromatic aberration that can be a problem in large-aperture lenses

throughout the image area

at 25 °C (77 °F)

fit everything in with a 20mm wide angle (30mm in 35mm equivalent focal length2) 2 - With interchangeable-lens cameras incorporating APS-C type image sensor

Sony original Quick Shift Bounce : Quickly shift from horizontal to vertical orientation

Sony WH-XB910N Headphones Self Repair Kit plus20 The optical design includes threeProduct Highlights Keep your Sony WH XB910N headphones performing like new with this essential repair kit. Includes premium replacement earpads that restore comfort and sound isolation, plus a specialized removal jig for safe, damage free installation. Perfect for extending the life of your headphones and maintaining optimal audio quality. Click to view the instruction manual