National 130 User Manual

National Optical & Scientific Instruments Inc.
11113 Landmark 35 Drive
San Antonio, Texas 78233
Phone (210) 590-9010 Fax (210) 590-1104
INSTRUCTIONS FOR
MODELS 130, 131, 132, 138 & 139
COMPOUND MICROSCOPES
NOTE: These models share common features, nomenclature and
method of operation. The only difference are…
Model 130 features mirror for reflected illumination from
natural or other light source.
Models 131 & 132 feature electric illumination from a
tungsten bulb.
Models 138 & 139 feature electric illumination from a
fluorescent bulb.
Models 132 & 139 have both 30° inclined and vertical
eyepiece tubes, each supplied with WF10x
eyepiece.
National Optical & Scientific Instrument Inc.
Copyright © 1/2/01

National 130 Specifications

General

Head	Monocular
Objective Lens	4x, 10x, 40x
Eyepiece	10x widefield
Illumination	LED
Focus	Coarse and Fine
Magnification	40x, 400x
Focusing System	Coaxial coarse and fine focusing knobs