Pentax SMC XW Spotting Scopes Eyepieces 16.5 mm 85 Angle Black 70540. The high-performance optical design includes lanthanum glass elements with high refractive power and low dispersion to deliver a balanced image with minimal aberrations. The...
Pentax SMC XW Spotting Scopes Eyepieces 16.5 mm 85 Angle Black 70540. The high-performance optical design includes lanthanum glass elements with high refractive power and low dispersion to deliver a balanced image with minimal aberrations. The...