Name Manufacturer / Model	Mount Bayonet	Type Category	Year Released	Focal mm	Aperture f/	Weight g
Kamlan8mm F/3.0 Fisheye	MICRO 4/3	Fisheye	—	8mm	f/3	—
KiponIbelux 40mm F/0.85	MICRO 4/3	Prime	—	40mm	f/0.85	1150g
KiponIbelux 40mm F/0.85 II	MICRO 4/3	Prime	—	40mm	f/0.85	—
KiponIbelux 40mm F/0.85 III	MICRO 4/3	Prime	—	40mm	f/0.85	1150g
Kodak12-45mm F/3.5-6.3 PixPro ED	MICRO 4/3	Zoom	—	12-45mm	f/3.5	—
Kodak42.5-160mm F/3.9-5.8 PixPro ED	MICRO 4/3	Zoom	—	42-160mm	f/3.9	—
Kowa500mm F/5.6 Prominar FL	MICRO 4/3	Telephoto	—	500mm	f/5.6	—
KowaProminar MFT 12mm F/1.8	MICRO 4/3	Wide	—	12mm	f/1.8	—
KowaProminar MFT 25mm F/1.8	MICRO 4/3	Wide	—	25mm	f/1.8	—
KowaProminar MFT 8.5mm F/2.8	MICRO 4/3	Wide	—	8mm	f/2.8	—
Laowa17mm F/1.8	MICRO 4/3	Wide	—	17mm	f/1.8	172g
Laowa25mm F/0.95 Argus APO	MICRO 4/3	Wide	—	25mm	f/0.95	570g
Laowa50mm F/2.8 2X Ultra-Macro	MICRO 4/3	Macro	—	50mm	f/2.8	240g
Laowa6mm F/2 Zero-D	MICRO 4/3	Wide	—	6mm	f/2	187g
Laowa7.5mm F/2 MFT	MICRO 4/3	Wide	—	8mm	f/2	170g
Laowa7.5mm F/2 MFT Ultra-Light	MICRO 4/3	Wide	—	8mm	f/2	150g
Laowa9mm F/2.8 Zero-D	MICRO 4/3	Wide	—	9mm	f/2.8	215g
LaowaArgus 18mm F/0.95 MFT	MICRO 4/3	Wide	—	18mm	f/0.95	500g
LeicaD Summilux 25mm F/1.4 ASPH	MICRO 4/3	Wide	—	25mm	f/1.4	—
LeicaD Vario-Elmar 14-150mm F/3.5-5.6 ASPH	MICRO 4/3	Zoom	—	14-150mm	f/3.5	—
LeicaD Vario-Elmar 14-150mm F/3.5-5.6 ASPH MegaOIS	MICRO 4/3	Zoom	—	14-150mm	f/3.5	—
LeicaD Vario-Elmar 14-50mm F/3.8-5.6 ASPH	MICRO 4/3	Zoom	—	14-50mm	f/3.8	—
LeicaD Vario-Elmarit 14-50mm F/2.8-3.5 ASPH	MICRO 4/3	Zoom	—	14-50mm	f/2.8	—
LeicaDG Macro-Elmarit 45mm F/2.8	MICRO 4/3	Macro	—	45mm	f/2.8	—
LeicaDG Nocticron 42.5mm F/1.2	MICRO 4/3	Prime	—	42mm	f/1.2	—
LeicaDG Nocticron 42.5mm F/1.2 ASPH	MICRO 4/3	Prime	—	42mm	f/1.2	—
LeicaDG Summilux 15mm F/1.7 ASPH	MICRO 4/3	Wide	—	15mm	f/1.7	—
LeicaDG Summilux 25mm F/1.4 ASP	MICRO 4/3	Wide	—	25mm	f/1.4	—