The IRIX 150mm F2.8 1:1 Macro is available for pre-order from B&H Photo VIdeo. IRIX boasts that the lens includes a Neutrino coating to reduce ghosting and flare. The lens is also weather sealed against moisture and dust and IRIX also claims that distortion is next to nothing, around .1%.
Other features include;
Preorder the IRIX 150mm macro now