Objectives for Brightfield/Darkfield Observation Specifications Abbreviations in product table N.A.: Numerical aperture W.D.: Working distance P.D.: Parfocal distance f: Focal distance R: Resolving power D.F.: Depth of field FOV 1: Field of view when using ø24 mm eyepiece FOV 2: Field of view when using a digital camera with 1/2" chip size Refer to the microscope units and objective lenses brochure BD Plan Apo Features • Bright/Dark Field Inspection • Infinity corrected • Long Working Distance • High Qualtiy Plan Apochromat Design • Suited for inspection of scratches, concavity and convexity on surfaces BD Plan Apo for Bright/Dark Field Observation Compatible with microscope types MF-U / Hyper MF-U No. Model Magnification N.A. W.D. [mm] f [mm] R [μm] D.F. [μm] FOV 1 [mm] FOV 2 [mm] Mass [g] 378-831-12 BD Plan Apo 2x 2x 0,055 34 100 5 91 ø1,2 2,4 x 3,2 340 378-832-12 BD Plan Apo 5X 5x 0,14 34 40 2 14 ø4,8 0,96 x 1,28 350 378-830-7 BD Plan Apo 7,5X 7,5x 0,21 34 26,67 1,3 6,2 ø3,6 0,64 x 0,85 350 378-833-7 BD Plan Apo 10X 10x 0,28 34 20 1 3,5 ø2,4 0,48 x 0,64 350 378-834-7 BD Plan Apo 20X 20x 0,42 20 10 0,7 1,6 ø1,2 0,24 x 0,32 400 378-835-7 BD Plan Apo 50X 50x 0,55 13 4 0,5 0,9 ø0,48 0,1 x 0,13 440 378-836-7 BD Plan Apo 100X 100x 0,7 6 2 0,4 0,6 ø0,24 0,05 x 0,06 460 34 ø44 ø37 ø40 61 95 (Parfocal distance) 5 4 ø42 (Working distance) BD Plan Apo 2X 34(W.D) ø44 ø37 ø40 61 95 (P.D.) 5 4 ø42 BD Plan Apo 5X 34(W.D) ø44 ø37 ø40 61 95 (P.D.) 5 4 ø42 BD Plan Apo 7,5X 34(W.D) ø44 ø37 ø40 61 95 (P.D.) 5 4 ø42 BD Plan Apo 10X 20(W.D) ø44 ø32 ø40 75 95 (P.D.) 5 7 ø42 BD Plan Apo 20X 13(W.D) ø44 ø32 ø40 82 95 (P.D.) 5 7 ø42 BD Plan Apo 50X 6(W.D) ø44 ø31.5 ø40 89 95 (P.D.) 5 8.5 ø42 BD Plan Apo 100X All products to be sold to commercial customers. Product illustrations are without obligation. Product descriptions, in particular any and all technical specifications, are only binding when explicitly agreed upon. 427
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