Infinite BF&DF plan lens 1. ZEISS and SIGMA lens 2. Good image quality 3. 5X/10X/20X/40X/60X 4. Bright Field and Dark Field

Infinite BF&DF plan lens

Item No:NJ-BD45

Our NJ-BD45 Infinite BF&DF plan lens is good use for industrial test and metallurgical observation.

Our factory NJ-BD45 is designated lens supplier of ZEISS and SIGMA in China,

ZEISS and SIGMA also use their BD lens, this lens has good quality and image quality same as Olympus lenss.

Infinite BF&DF plan lens	N.A.	W.D. (mm)	F' (mm)	Resolution (um)	Depth of  focus ±D.F.(um)	Field of View (Φ24)	Field of View 1/2" CCD	Thread size
5X	0.13	9.6	40	2	14	Φ5	0.96*1.28	M27*0.75
10X	0.3	4.5	20	1	3.5	Φ2.5	0.48*0.64	M27*0.75
20X	0.46	2.8	10	0.7	1.6	Φ1.25	0.24*0.32	M27*0.75
40X	0.65	1	5	0.4	0.6	Φ0.625	0.12*0.16	M27*0.75
60X	0.8	0.7	3.33	0.3	0.4	Φ0.42	0.08*0.11	M27*0.75