Name Manufacturer / Model	Mount Bayonet	Type Category	Year Released	Focal mm	Aperture f/	Weight g
Kowa40mm F/4	KOWA SIX	Prime	1970	40mm	f/4	900g
Kowa500mm F/8	KOWA SIX	Telephoto	1970	500mm	f/8	2060g
Kowa55mm F/3.5	KOWA SIX	Prime	1968	55mm	f/3.5	850g
Kowa55mm F/3.5 [I]	KOWA SIX	Prime	1968	55mm	f/3.5	850g
Kowa55mm F/3.5 II	KOWA SIX	Prime	—	55mm	f/3.5	725g
Kowa85mm F/2.8	KOWA SIX	Telephoto	1968	85mm	f/2.8	530g
KuribayashiC.C. Petri Orikkor 135mm F/3.5	M42	Telephoto	1959	135mm	f/3.5	293g
KuribayashiC.C. Petri Orikkor 180mm F/3.5	M42	Telephoto	1959	180mm	f/3.5	610g
KuribayashiC.C. Petri Orikkor 50mm F/2	M42	Portrait	1959	50mm	f/2	—
KuribayashiK.C. Petri Orikkor 105mm F/3.5	M42	Telephoto	1959	105mm	f/3.5	270g
KuribayashiK.C. Petri Orikkor 35mm F/3.5	M42	Wide	1959	35mm	f/3.5	170g
KuribayashiK.C. Petri Orikkor 500mm F/8	M42	Telephoto	1959	500mm	f/8	1300g
KyoeiW. ACALL 35mm F/3.5	T MOUNT	Wide	—	35mm	f/3.5	—
LaiLens50mm F/1.1 M	LEICA M	Portrait	2025	50mm	f/1.1	386g
Laowa200mm F/2 AF FF	CANON EF+ CANON EF-S, NIKON Z, SONY E, SONY FE	Telephoto	2025	200mm	f/2	1588g
Laowa8-15mm F/2.8 FF Zoom Fisheye	NIKON F	Cinema	—	8-15mm	f/2.8	650g
Laowa85mm F/5.6 2x Ultra Marco APO	LEICA M+ CANON RF, NIKON Z	Cinema	—	85mm	f/5.6	291g
LaowaZero-D DSLR 14mm F/4	CANON EF+ NIKON F	Wide	—	14mm	f/4	320g
LaowaZero-D GFX 17mm F/4	FUJIFILM GFX	Wide	—	17mm	f/4	829g
LaowaZero-D LM 15mm F/2	LEICA M	Wide	—	15mm	f/2	418g
LeeWorks NOCTLUX 50mm F/1.1 M	LEICA M	Portrait	2024	50mm	f/1.1	400g
LeicaAPO Vario-Elmarit-SL 90-280mm F/2.8-4	LEICA T	Telephoto	2015	90-280mm	f/2.8	—
LeicaAPO-Elmar-S 180mm F/3.5	LEICA S	Telephoto	2009	180mm	f/3.5	1150g
LeicaAPO-Elmar-S 180mm F/3.5 ASPH. CS	LEICA S	Telephoto	2009	180mm	f/3.5	1150g
LeicaAPO-Elmarit-R 180mm F/2.8	LEICA R	Telephoto	2004	180mm	f/2.8	970g
LeicaAPO-Elmarit-SL 100mm F/2.8 Macro	L-MOUNT	Macro	2026	100mm	f/2.8	801g
LeicaAPO-Macro-Summarit-S 120mm F/2.5	LEICA S	Macro	2010	120mm	f/2.5	1135g
LeicaAPO-Macro-Summarit-S 120mm F/2.5 ASPH. CS	LEICA S	Macro	2010	120mm	f/2.5	1135g