Model No.	Focal Length	Aperture	Mount	Format	Angel of view	Lens Construction
HL2120B	2.1	2.0	M12*0.5	1/3	160°	6G
HL2520B	2.5	2.0	M12*0.5	1/3	135.5°	6G
HL2820B	2.8	2.0	M12*0.5	1/3	120°	5G
HL3620D	3.6	2.0	M12*0.5	1/3	82°	4G
HL3618	3.6	1.8	M12*0.5	1/3	90°	4G
HL4020B	4.0	2.0	M12*0.5	1/3	92°	5G
HL6018B	6.0	1.8	M12*0.5	1/3	59°	4G
HL6018B65A	6.0	1.8	M12*0.5	1/3	59°	4G+1IR
HL8020B	8.0	2.0	M12*0.5	1/3	46°	5G
HL1220B	12.0	2.0	M12*0.5	1/3	53.2°	5G
HL1625B	16.0	2.5	M12*0.5	1/3	21.5°	4G
HL2528B	25.0	2.8	M12*0.5	1/3	15°	4G