Mounted mostly on Nikon DSLRs and unguided telescope mounts like Vixen Polarie or GP, the ZEISS MACRO PLANAR lens make deep, wide field exposures possible. It is used for medium-size constellations, emission and dark nebulas at f/2.8.
It's amazing color rendition and high bandwidth makes it perfect for indoor portraits.
It is a high-grade, env. sealed, full metal construction, hosts 8 lenses and weights 660g.
Apple iPhone 7 Plus, f/2.8 @ 6.6 mm, 1/50, ISO 32, No Flash