| Pentax SMC XL20-60 EyepieceSMC XL20-60 Eyepiece. Fullymulti-coated lenses increase light transmission and color quality. High-refraction, low-dispersionlanthanum glass elements deliver bright, high-resolution images with minimal aberrations and distortions. Advanced computer simulation design technology was used to drastically reduce internal reflections producing brighter, clearer images. Waterproof. |












