Lens, Biconcave, 50mm dia, Focal Length 100mm (Pack of 10 ) 237183 Compatible models include:P121P125P515P-S500DGX670P-225Optional three pedal

Compatible models include:P121P125P515P-S500DGX670P-225Optional three pedal unit for Yamaha portable digital pianos

max jaw capacity 13/8"

In addition to the impressive sound library

High-quality Boss effectsThe ME-90 provides you with an extensive library of Boss effects all at your command

Wooden building block shapes and crystal-clear colourful gem cubes

Lens, Biconcave, 50mm dia, Focal Length 100mm (Pack of 10 ) 237183 Compatible models include:P121P125P515P-S500DGX670P-225Optional three pedalBi concave lenses have a negative focal length and are best used to diverge a converging beam. They have two inward curved surfaces.