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SPECIFICATIONS
Objectives: Achromatic objectives.
Numerical
Working
Objective
Aperture (N.A.)
Distance
4X
0.10
37.5mm
10X
0.25
7.31mm
40X
0.65
0.63mm
60X
0.85
0.28mm
100X (oil)
1.25
0.19mm
Total magnifying powers:
Objective
Eyepiece &
Auxiliary Lens
4X
10X
40X
10X wide field
40X
100X
400X
Stage Size: 140x135mm
X-direction movement range: 80 mm; Y-direction movement range: 45 mm
Abbe double lens condenser: N.A. = 1.25 with a built in iris diaphragm.
Fine focusing range: 30 mm. One division is 0.0015 mm. Coarse focusing range: 30
mm.
Interpupillary distance between eyepiece tubes from 55 mm to 75 mm.
Magnifying power of the auxiliary lens: 1X.
STANDARD OUTFIT
MRP-5000 biological Microscope
Eyepieces: 10X (wide field)
Achromatic Objectives: 4X, 10X, 40X, 60X, 100X (oil)
Replacement halogen bulb: (6V 20W)
Replacement fuse (5A 250V)
Three wire power cord
Blue glass filter
Covers for protecting Eyepiece Tubes
Cedar-Wood Oil
60X
100X
600X
1000X
1 set
1 pair
1 piece each
1 each
1 each
1 each
1 piece each
2 pieces
1 bottle
1
When dis-assembling the microscope for storage, always put the covers into the
eyepiece tubes to prevent dust settling inside the microscope lenses.
The 100X oil immersion objective should be wiped off with a piece of lens paper
immediately after using. If necessary, use optical lens cleaner sparingly.
Bulb replacement: (Unplug unit from power source)
Loosen the screw knob on the underside of microscope and open the panel to expose the
bulb. Use a small screwdriver to loosen the screws holding (the two screws closest to
the bulb) the prongs of the halogen bulb. Note that the prongs of the bulb are held in
place by small brass plates which shift slightly when the screws are loosened. Remove
the old bulb. Important: Do not touch the new halogen bulb with bare hands. Wear
gloves or hold the bulb using tissue or lens paper. Body oils may damage the halogen
bulb. Insert prongs of replacement bulb into top of socket (above the brass plate) and
tighten screws slightly. (The brass plates will move up to hold the prongs in place.)
Close door and hand tighten the thumbscrew knob.
Fuse replacement: (Unplug unit from power source)
Open the fuse holder by unscrewing knob in the direction of the arrow. Remove the old
fuse and insert replacement fuse. Replace fuse holder and screw in place.
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