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Home Training Tools Ltd. 2012 Page 8 of 8 Visit www.homesciencetools.com
Poor resolution,
image not sharp
1.
The condenser, objective, or eyepiece lenses are dirty.
Clean the lenses. (See
“Cleaning,” p. 2.)
2.
There is too much light.
Adjust the diaphragm.
Spots in field
1.
The condenser, objective, or eyepiece lenses are dirty.
Clean the lenses. (See
“Cleaning,” p. 2.)
2.
The specimen slide is dirty.
Clean the slide.
Uneven
illumination of
field
1.
The nosepiece is not indexed properly.
Move revolving nosepiece until the objective
lens clicks into position.
2.
The diaphragm is not properly indexed.
Adjust the diaphragm to the proper level.
Specifications
Eyepiece
Widefield 10x with 18 mm exit pupil and fully coated optics.
Head
Monocular, 45° inclined head rotates 360°. MI-4100LDH has a dual head: one 30º inclined
eyepiece, one vertical eyepiece with diopter.
MI-4100LBH has a binocular head with dual
diopters.
Nosepiece
3-hole or 4-hole nosepiece is ball-bearing mounted with positive click stops.
Objectives
All objectives are DIN achromatic, parfocalled, parcentered, and fully coated.
•
4x, 0.10 N.A., red ring, 4.5 mm field of view, 40x magnification
•
10x, 0.25 N.A., yellow ring, 1.8 mm field of view, 100x magnification
•
40xR, 0.65 N.A., blue ring, 0.45 mm field of view, 400x magnification, retractable
•
100xR, 1.25 N.A., white ring, 0.18 mm field of view, 1000x magnification, retractable, oil
immersion (model MI-4100LXL and 4100LBH only)
Focusing
Separate low position coarse and fine focusing controls with slip clutch, and tension
adjustment.
Focus Rack
All metal rack-and-pinion focusing with adjustable stage stop.
Stage
Acid and chemical resistant 110 x 120 mm metal stage with stage clips and predrilled for an
optional mechanical stage.
Mechanical
Stage
Top-position x-y controls provide precise 60 mm movement on the x-axis and 30 mm
movement on the y-axis (all models except MI-4100LST).
Condenser
Fixed 0.65 N.A. condenser on model MI-4100LST. Adjustable 1.25 N.A. Abbe condenser on
all other models.
Diaphragm
Calibrated 5-hole disc diaphragm on model MI-4100LST. Iris diaphragm with 2 mm to 30 mm
diameter opening on all other models.
Illuminator
Bright LED illuminator with variable intensity control and grounded 110 volt cord.
Warranty
Home Science Tools warrants this microscope to be free from defects in material and workmanship under normal use and
service for the life of the instrument. This warranty does not cover light bulbs, batteries, or damage due to misuse, abuse,
alterations, or accident. Warranty does not cover lenses that have become inoperable due to excessive dirtiness as a
result of misuse or lack of normal maintenance. Any cameras and software supplied with this microscope are under
warranty for one year from the date of purchase.
You will need to return your microscope freight prepaid for warranty service to Home Science Tools, or the repair facility
we designate. We will repair or replace your microscope at no charge and return it freight prepaid to you. Please call 1-
800-860-6272 to arrange warranty service before returning this instrument.
Please note that warranties apply only to the original purchaser and are not transferable.
