
386
MICROSCOPES
Objectives
SERIES 378
378-856
Reticles (optional)
Order No. Description
516848 Cross-hair
516576 Broken cross hair (90° and 60°)
516578 Concentric circle (Diametric increment: 1.2mm)
516577 20mm scale (Minimum reading: 0.1mm) with cross hair
516849 10mm scale (Minimum reading: 0.1mm)
516850 5mm scale (Minimum reading: 0.05mm)
516851 10x10mm section (Minimum section: 1x1mm)
FEATURES
• The long working distance type objectives provide a wide space
between the lens surface and the workpiece surface in focus,
making it possible to observe workpieces which are usually
hard-to-focus because of their projections like a step.
• The metallurgical plan apochromatic (M Plan Apo) objective is
an excellent optical system. This objective provides a flat,
chromatic aberration free image throughout the field of view,
making it is suitable for any type of microscope.
• Specially designed objectives are also available with correction
for near-infrared radiation, near-ultraviolet radiation, and
ultraviolet radiation, or various thickness of LCD screen glasses.
• The mounting screw threads of objectives are designed to
conform to JIS B-7141-1988.
M Plan Apo and M Plan Apo SL
objectives for bright field observation
Eyepiece
SERIES 378
FEATURES
• The field of view is extra wide.
• Optional reticles are available.
378-857
378-858
SPECIFICATIONS
Order No. Magnifi- Field Mass Individual
(2pcs. set) cation number order No.
378-856 10X 24 85g 378-856-5
378-857 15X 16 40g 378-857-5
378-858 20X 12 55g 378-858-8
The Mitutoyo 378 Series objectives have the world's longest
working distance and an infinity correction optical system. These
objectives provide flexible observation at high magnifications and
independent correction of chromatic aberration.
BD Plan Apo and BD Plan Apo SL
objectives for bright/dark field observation
Near-infrared radiation corrected M Plan Apo NIR objective
Near-ultraviolet radiation
corrected M Plan Apo NUV
objectives
Ultraviolet radiation corrected
M Plan UV objectives
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