Name Manufacturer / Model	Mount Bayonet	Type Category	Year Released	Focal mm	Aperture f/	Weight g
LeicaSummicron-M I 5cm F/2	LEICA M	Wide	1951	5mm	f/2	220g
LeicaSummicron-M I 9cm F/2	LEICA M	Wide	1957	9mm	f/2	660g
LeicaSummicron-M II 35mm F/2	LEICA M	Wide	1969	35mm	f/2	170g
LeicaSummicron-M II 5cm F/2	LEICA M	Wide	1968	5mm	f/2	240g
LeicaSummicron-M II 9cm F/2	LEICA M	Wide	1963	9mm	f/2	685g
LeicaSummicron-M III 35mm F/2	LEICA M	Wide	1971	35mm	f/2	170g
LeicaSummicron-M III 90mm F/2	LEICA M	Portrait	1980	90mm	f/2	690g
LeicaSummicron-M IV 35mm F/2	LEICA M	Wide	1979	35mm	f/2	160g
LeicaSUMMICRON-R 50mm F/2 "130th Anniversary Nihon Siber Hegner"	LEICA R	Portrait	1995	50mm	f/2	300g
LeicaSummicron-R 50mm F/2 "Hong Kong '97"	LEICA R	Portrait	1997	50mm	f/2	—
LeicaSUMMICRON-R 50mm F/2 Gold "Hong Kong '97"	LEICA R	Portrait	1997	50mm	f/2	—
LeicaSummicron-R Ver I 35mm F/2	LEICA R	Wide	1972	35mm	f/2	510g
LeicaSummicron-R Ver I 50mm F/2	LEICA R	Portrait	1964	50mm	f/2	680g
LeicaSummicron-R Ver I 90mm F/2	LEICA R	Portrait	1970	90mm	f/2	560g
LeicaSummicron-R Ver II 35mm F/2	LEICA R	Wide	1977	35mm	f/2	430g
LeicaSummicron-R Ver II 50mm F/2	LEICA R	Portrait	1976	50mm	f/2	290g
LeicaSummicron-R Ver II 90mm F/2	LEICA R	Portrait	1977	90mm	f/2	560g
LeicaSummicron-S 100mm F/2 ASPH.	LEICA S	Portrait	2014	100mm	f/2	910g
LeicaSUMMICRON-S 100mm F/2 ASPH. "Summicron 100 Edition"	LEICA S	Portrait	2014	100mm	f/2	910g
LeicaSummicron-SL 35mm F/2 ASPH.	L-MOUNT	Wide	2023	35mm	f/2	400g
LeicaSummicron-TL 23mm F/2 ASPH.	L-MOUNT	Wide	2014	23mm	f/2	154g
LeicaSummilux 50mm F/1.4	LEICA M	Portrait	1961	50mm	f/1.4	301g
LeicaSummilux 50mm F/1.4 III	LEICA M	Portrait	1995	50mm	f/1.4	275g
LeicaSummilux-M 21mm F/1.4 ASPH.	LEICA M	Wide	2008	21mm	f/1.4	580g
LeicaSummilux-M 24mm F/1.4	LEICA M	Wide	—	24mm	f/1.4	500g
LeicaSummilux-M 24mm F/1.4 ASPH.	LEICA M	Wide	2008	24mm	f/1.4	500g
LeicaSummilux-M 28mm F/1.4 ASPH.	LEICA M	Wide	2015	28mm	f/1.4	440g
LeicaSummilux-M 28mm F/1.4 ASPH. "Edition 100"	LEICA M	Wide	2014	28mm	f/1.4	—