Performance Features - Leica M420 Instruction Manual

Leica M420 macroscope
Design principle
Zoom objectives
Built-in video-/phototube
Magnification factor
Built-in aperture diaphragm
Numerical aperture
Resolution
Zoom range (with 10× eyepieces)
Total magnifications
Field diameter
Working distances
Additional objectives
Wide-field eyepieces for spectacle wearers
Dioptric correction
Eyecups
Binocular tube
Interpupillary distance
Stands, illuminators
Incident-light stand
Focusing drive
Swinging-arm stand
Universal stand
Transmitted-light stands
Stages
Incident lamps
Accessories
Photomicrographic systems
Video, filming; archiving-
and post-processing software
Measuring graticules
Filter-slide housing

Performance features

Vertical beam path, binocular observation
Macrozoom 5:1, achromatic
Apozoom 6:1, apochromatic
Beam-splitter ratio: 50% video or photo, 50% observation
Built-in stop for eliminating stray light during the exposure
1.25× for observation and for photo/video
For adjusting the depth of field
0.116 / 0.232 with 2.0× additional objective
348 lp/mm (696 lp/mm with 2.0× additional objective)
Macrozoom: 7.9× – 40× / Apozoom 7.3× – 43.8×
Macrozoom: 3.9× – 320× / Apozoom: 2.9× – 350×
Macrozoom: 0.8mm – 53.3mm / Apozoom: 0.7 – 72.4mm
Macrozoom: 100mm, additional objective 0.5×: 192mm, 2.0×: 39mm
Apozoom: 102mm, additional objective 0.4×: 253mm, 2.0×: 45mm
For Macrozoom: 2.0×, 0.5× / For Apozoom: 2.0×, 0.4×
10×/21B, 16×/14B, 25×/9.5, 40×/6B, distortion free
+5 to –5
Eye contact adjustable
Ergonomically low, with 30° viewing angle
Range of adjustment 54mm to 75mm
300mm and 500mm side-faced columns; 120mm diameter stage plate
Coarse/fine, manual and motorized
Column length 550mm, diam. 50mm, also available
with clamp for table tops and with motorized focusing
Column diam. 50mm, length 450mm or 800mm,
magnetic carrier for stages
Bright field, bright and dark field, and high-performance base
Several, including rotatable polarization stage
Including inclined, coaxial with quarter-wave plate,
fibre-optic light guides
Leica MPS30 and MPS60, fully automatic, with data back
Leica DC 100 and DC 200 digital imaging systems,
image manager
For measuring lengths and for counting
For two gelatine filters
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