Name Manufacturer / Model	Mount Bayonet	Type Category	Year Released	Focal mm	Aperture f/	Weight g
Mamiya-SekorD Macro 120mm F/4	MAMIYA 645	Macro	—	120mm	f/4	835g
Mandler35mm F/2 M	LEICA M	Wide	2025	35mm	f/2	138g
MCSoligor S/M 500mm F/8.8 Mirror Cambron, Sirius	T MOUNT	Mirror	1989	500mm	f/8.8	325g
Meike50mm F/1.2 Multi Coated	CANON RF	Portrait	2020	50mm	f/1.2	620g
Meike50mm F/1.2 Multi Coated SLR	CANON EF	Portrait	2020	50mm	f/1.2	620g
Meike6-11mm F/3.5 Fisheye SLR	CANON EF	Fisheye	2018	6-11mm	f/3.5	540g
Meike60mm F/2.8	CANON EF+ CANON EF-M, CANON RF, FUJIFILM X, MICRO 4/3, NIKON Z	Prime	—	60mm	f/2.8	300g
Meike8mm F/3.5 Fisheye CS SLR	CANON EF	Fisheye	2016	8mm	f/3.5	540g
Mepro750mm F/11 Mirror	T MOUNT	Mirror	—	750mm	f/11	—
Meyer-Optik GörlitzMeyer-Optik Gorlitz BIOTAR 58mm F/1.5 II	CANON EF	Portrait	2022	58mm	f/1.5	405g
Meyer-Optik GörlitzMeyer-Optik Gorlitz BIOTAR 75mm F/1.5 II M	LEICA M	Portrait	2023	75mm	f/1.5	—
Meyer-Optik GörlitzMeyer-Optik Gorlitz BIOTAR 75mm F/1.5 II MILC	CANON RF	Portrait	2023	75mm	f/1.5	650g
Meyer-Optik GörlitzMeyer-Optik Gorlitz Domiplan 50mm F/2.8	EXAKTA	Prime	1961	50mm	f/2.8	150g
Meyer-Optik GörlitzMeyer-Optik Gorlitz Domiplan 50mm F/2.8 Automatic Pentaflex-Color, Orestor	M42	Prime	1961	50mm	f/2.8	150g
Meyer-Optik GörlitzMeyer-Optik Gorlitz Domiron 50mm F/2	EXAKTA	Portrait	1960	50mm	f/2	325g
Meyer-Optik GörlitzMeyer-Optik Gorlitz Helioplan 40mm F/4.5 V	EXAKTA	Prime	1952	40mm	f/4.5	—
Meyer-Optik GörlitzMeyer-Optik Gorlitz Lydith 30mm F/3.5	EXAKTA	Wide	1963	30mm	f/3.5	195g
Meyer-Optik GörlitzMeyer-Optik Gorlitz LYDITH 30mm F/3.5 II	CANON EF+ LEICA M	Wide	2020	30mm	f/3.5	230g
Meyer-Optik GörlitzMeyer-Optik Gorlitz LYDITH 30mm F/3.5 II MILC	CANON RF	Wide	2020	30mm	f/3.5	270g
Meyer-Optik GörlitzMeyer-Optik Gorlitz Orestegon 29mm F/2.8	EXAKTA	Wide	1966	29mm	f/2.8	240g
Meyer-Optik GörlitzMeyer-Optik Gorlitz Oreston 50mm F/1.8	EXAKTA	Portrait	1965	50mm	f/1.8	235g
Meyer-Optik GörlitzMeyer-Optik Gorlitz Orestor 100mm F/2.8	EXAKTA	Telephoto	1967	100mm	f/2.8	265g
Meyer-Optik GörlitzMeyer-Optik Gorlitz Primagon 35mm F/4.5	EXAKTA	Wide	1955	35mm	f/4.5	170g
Meyer-Optik GörlitzMeyer-Optik Gorlitz Primagon 35mm F/4.5 [V]	EXAKTA	Wide	1955	35mm	f/4.5	170g
Meyer-Optik GörlitzMeyer-Optik Gorlitz PRIMOPLAN 58mm F/1.9 II	CANON EF	Portrait	2021	58mm	f/1.9	230g
Meyer-Optik GörlitzMeyer-Optik Gorlitz Primoplan 58mm F/1.9 V	EXAKTA	Portrait	1952	58mm	f/1.9	—
Meyer-Optik GörlitzMeyer-Optik Gorlitz PRIMOPLAN 75mm F/1.9 II M	LEICA M	Portrait	2020	75mm	f/1.9	—
Meyer-Optik GörlitzMeyer-Optik Gorlitz PRIMOPLAN 75mm F/1.9 II MILC	CANON RF	Portrait	2020	75mm	f/1.9	360g