Name Manufacturer / Model	Mount Bayonet	Type Category	Year Released	Focal mm	Aperture f/	Weight g
YashicaSuper Yashinon-R 800mm F/8	M42	Telephoto	—	800mm	f/8	3000g
YashicaYashinon-DS 21mm F/3.3	M42	Wide	—	21mm	f/3.3	—
YashicaYashinon-DX 21mm F/3.3	M42	Wide	1967	21mm	f/3.3	130g
YashicaYashinon-R 75-230mm F/4.5	M42	Zoom	—	75-230mm	f/4.5	—
YashicaYashinon-R 90-190mm F/5.8	M42	Telephoto	—	90-190mm	f/5.8	550g
YasuharaMadoka 7.3mm F/4 Fisheye	FUJIFILM X	Fisheye	2012	7mm	f/4	200g
YasuharaMoMo100 28mm F/6.4 Soft Focus	FUJIFILM X	Wide	2016	28mm	f/6.4	139g
YasuharaMoMo100 43mm F/6.4 Soft Focus	CANON EF	Prime	2016	43mm	f/6.4	145g
Yongnuo16mm F/1.8 DA DSM	SONY E	Wide	2022	16mm	f/1.8	273g
Yongnuo23mm F/1.4 DA DSM WL	FUJIFILM X	Wide	2024	23mm	f/1.4	360g
Yongnuo33mm F/1.4 DA DSM WL	NIKON Z	Wide	2024	33mm	f/1.4	370g
Yongnuo35mm F/1.8 DA DSM	SONY E	Wide	2025	35mm	f/1.8	265g
Yongnuo35mm F/1.8 DA DSM WL	CANON RF	Wide	2024	35mm	f/1.8	183g
Yongnuo35mm F/2 DF DSM	CANON RF	Wide	2020	35mm	f/2	280g
Yongnuo35mm F/2 EF	CANON EF+ NIKON F	Wide	2015	35mm	f/2	155g
Yongnuo40mm F/2.8 F	NIKON F	Prime	2017	40mm	f/2.8	130g
Yongnuo50mm F/1.4 EF/F	CANON EF	Portrait	2018	50mm	f/1.4	572g
Yongnuo50mm F/1.8 DA DSM	FUJIFILM X+ SONY E	Portrait	2023	50mm	f/1.8	134g
Yongnuo50mm F/1.8 DA DSM [II]	FUJIFILM X	Portrait	2023	50mm	f/1.8	134g
Yongnuo50mm F/1.8 DA DSM Pro	FUJIFILM X	Portrait	2023	50mm	f/1.8	387g
Yongnuo50mm F/1.8 DF DSM E / Z	NIKON Z	Portrait	2021	50mm	f/1.8	417g
Yongnuo50mm F/1.8 EF	CANON EF+ CANON RF, NIKON F	Portrait	2014	50mm	f/1.8	120g
Yongnuo50mm F/1.8 EF II	CANON EF	Portrait	2018	50mm	f/1.8	162g
Yongnuo56mm F/1.4 DA DSM WL	NIKON Z	Portrait	2024	56mm	f/1.4	375g
YongnuoMF 60mm F/2 Macro EF/F	CANON EF	Macro	2018	60mm	f/2	586g
YUS135mm F/2.8 Automatic	CONTAX/YASHICA	Telephoto	—	135mm	f/2.8	—
YUS28mm F/2.8 Automatic	CONTAX/YASHICA	Wide	—	28mm	f/2.8	—
YUS75-150mm F/3.9 Automatic	CONTAX/YASHICA	Zoom	—	75-150mm	f/3.9	—