Name Manufacturer / Model	Mount Bayonet	Type Category	Year Released	Focal mm	Aperture f/	Weight g
KironKino Precision Kiron 70-210mm F/4.5 MC Macro	CANON FD	Macro	1985	70-210mm	f/4.5	580g
KironKino Precision Kiron 80-200mm F/4 MC Macro	CANON FD	Macro	1980	80-200mm	f/4	643g
KironKino Precision Kiron 80-200mm F/4.5 MC Macro Type 1	CANON FD	Macro	1982	80-200mm	f/4.5	574g
KironKino Precision Kiron 80-200mm F/4.5 MC Macro Type 2	CANON FD	Macro	1982	80-200mm	f/4.5	624g
KiyoharaKogaku 50mm F/4.5 Soft	T MOUNT	Prime	1987	50mm	f/4.5	125g
KiyoharaKogaku 50mm F/4.5 Soft [VK50R]	T MOUNT	Prime	1987	50mm	f/4.5	125g
KiyoharaKogaku 70mm F/5 Soft	T MOUNT	Prime	1986	70mm	f/5	136g
KiyoharaKogaku 70mm F/5 Soft [VK70R]	T MOUNT	Prime	1986	70mm	f/5	136g
Komura-FX 70-210mm F/4.5 K·M·C	CANON FD	Zoom	1980	70-210mm	f/4.5	700g
KomuraKOMURANON 75-150mm F/3.8 KMC "Reporter"	CANON FD	Zoom	1980	75-150mm	f/3.8	625g
Komuranon 80-210mm F/4.5 K·M·C	CANON FD	Zoom	1975	80-210mm	f/4.5	—
KomuraSankyo Kohki Komura 135mm F/3.5	CANON RF	Telephoto	—	135mm	f/3.5	—
KomuraSankyo Kohki Komura 200mm F/4.5	M42	Telephoto	—	200mm	f/4.5	—
KOMURANON75-150mm F/3.8 KMC "Reporter"	M42	Zoom	1980	75-150mm	f/3.8	625g
KOMURANON80-210mm F/4.5 KMC	M42	Zoom	1975	80-210mm	f/4.5	—
KonicaBellows Macro-Hexanon AR 105mm F/4	KONICA AR	Macro	1973	105mm	f/4	230g
KonicaFL-Hexanon AR 300mm F/6.3	KONICA AR	Telephoto	1970	300mm	f/6.3	560g
KonicaHexanon [AR] 100mm F/2.8	KONICA AR	Telephoto	1966	100mm	f/2.8	290g
KonicaHexanon [AR] 135mm F/3.5 [I]	KONICA AR	Telephoto	1965	135mm	f/3.5	350g
KonicaHexanon [AR] 28mm F/3.5 [I]	KONICA AR	Wide	1965	28mm	f/3.5	210g
KonicaHexanon [AR] 35mm F/2.8 [I]	KONICA AR	Wide	1965	35mm	f/2.8	235g
KonicaHEXANON [ARM] 400mm F/4.5	KONICA AR	Telephoto	1965	400mm	f/4.5	2835g
KonicaHexanon [ARM] 400mm F/4.5 Type 1	KONICA AR	Telephoto	1965	400mm	f/4.5	2835g
KonicaHexanon 135mm F/3.5	KONICA AR	Telephoto	1965	135mm	f/3.5	350g
KonicaHexanon 200mm F/3.5	KONICA AR	Telephoto	1965	200mm	f/3.5	880g
KonicaHexanon 21mm F/4	KONICA AR	Wide	1965	21mm	f/4	340g
KonicaHexanon 28mm F/3.5	KONICA AR	Wide	1965	28mm	f/3.5	210g
KonicaHexanon 35mm F/2.8	KONICA AR	Wide	1965	35mm	f/2.8	235g