500mm f/8 Super Telephoto Mirror Lens for Olympus Micro 4/3 PEN Cameras E P3 PL3 PM1 PL1 P2 P1 PL2 PL1s 500mm f/8 Studio Series Telephoto Manual Mirror Lens Use with manual or automatic SLR & DSLR cameras Multi Coated low-dispersion glass, anti-reflection coating A Multi-coated low-dispersion glass capable of producing sharp, high definition images T-Mount Lens (T2-thread) with Micro 4/3 adapter