SMC Pentax-M 50mm f2 hoya an interchangeable-lens E-mount camera that

an interchangeable-lens E-mount camera that depends on a wireless connection to a phone or tablet running proprietary software to work

Steinheil München Culminar 135mm f4

but be aware that this light gets very hot and WILL cause you substantial grief if you handle it carelessly

The Nikon D90 is a good quality DSLR camera with a 12mp DX-format sensor and pretty solid compatibility with Nikon F-mount lenses

SMC Pentax-M 50mm f2 hoya an interchangeable-lens E-mount camera thatThe SMC Pentax M 50mm f2 is a compact standard lens for Pentax K mount cameras. In very good cosmetic condition, with light finish wear. Smooth focusing, good diaphragm, light internal dust.