Komura lenses were manufactured in Japan by Sankyo Kohki and gained a reputation during the 1950s and 1960s for solid engineering and good optical performance. Komura Sankyo Kohki 135mm f/3.5 lens in Exakta mount.
Sankyo Kohki Japan Komura 135mm f/3.5 Prime 16-Bladed Full Frame Lens, FD Mount
[Optics MINT] Sankyo Kohki KOMURA 300mm f/6.3 Large Format Lens Copal No.1 JAPAN
RARE [Near MINT] Sankyo Kohki KOMURA 100mm F1.8 MINOLTA SR + Teleconverter JAPAN
[Exc+5] Sankyo Kohki Super W Komura 90mm f/6.3 Wide Angle Lens From JAPAN
[Unused] Sankyo Kohki Super-W-Komura 75mm f/6.3 w/SEIKO Shutter From JAPAN
Super Rare!! [MINT] Sankyo Kohki Komura 85mm f/1.4 Lens For Konica F Mount JAPAN