Kase, arguably best known for its filters, also makes lenses. While some of these are normal, like the AF 85mm f/1.4 portrait prime, others are a bit unusual, like the manual focus 200mm f/5.6 reflex (mirror) lens . Kase’s newest lens is yet another reflex prime, but this time it comes equipped with autofocus. The strange Kase 150mm f/5.6 AF reflex lens made waves when Kase teased it at CP+ earlier this year. It’s extremely unusual for a reflex lens to have autofocus capabilities, for starters, and it’s also odd for a reflex lens to have this short a focal length. While 150mm is squarely in the telephoto category, reflex lenses are often very long, like the Tokina 900mm f/11, for example. The general idea, or at least how most lens makers approach reflex lenses, is to combine a very long focal length with a compact, affordable design. This often comes at the cost of maximum aperture and image quality.…