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Southern Precision Instruments - Page 4

STELLAR STEREO MICROSCOPES
MODEL 1890 - MODEL 1891 - MODEL 1892
FIXED & DUAL POWER TURRET
The three dimensional stereo microscope of choice for
providing crisp, erect, normal images over a wide field
of view for both Educational and Industrial applications.

--> Study of living organisms.
--> Dissection of small specimen.
--> Crystalline and rock structure formations.
--> Electronic and small parts inspection.

The stereo microscope is a rugged, all metal constructed
scope that provides both flexibility in magnification ranges
and long working distances for viewing difficult specimens.

Specifications:
Binocular Head

--> 45° inclined eyetubes for optimum viewing and comfort.
--> Interpupillary adjustment from 51mm to 75mm.
--> One side diopter adjustment for eye accommodation.
--> 360° rotatable head for turret models.

Optical System

--> Achromatic, anti-reflection coated optics.
--> Fixed power 2X (3X and 4X optional).
--> Paired, 10X standard widefield eyepieces w/rubber
eyeguards (15X optional).
--> Turret models - 1X-3X, or 2X-4X, parfocal and
parcentered, mounted in quick change 90° revolving
turret w/position detent stops.

3 MODE, HI-INTENSITY ILLUMINATION SYSTEM

--> Select TL (top light) or TBL (top/bottom light).
--> Low voltage transformer base, built-in 12V w/incident
(top) and transmitted (bottom) illumination (optional).
--> Conveniently located position switch (1)Incident (top);
(2)Transmitted (bottom); 1890 Model only: (3)Both
incident and transmitted and (4) Off.
--> Heavy duty CSA approved 3-wire grounded power cord.

BASE & ARM

--> Rack and pinion focusing w/slip clutch protection!
--> Tension control adjustment - Eliminates drift!
--> Large 4 1/2" x 7 5/8" stage w/95mm reversible black/white
stage plate. Dual illumination model includes frosted glass stage plate.
--> Body raises, lowers and may be rotated 360 on pillar for
off-base viewing. Stop prevents head removal.
--> Dust cover and styrofoam case.
--> WEIGHT: 6.5 lbs.

OPTIONAL ACCESSORIES

2015-92 WF 15X eyepieces, paired
2200-37 12V/10W replacement lamp.
1900-02 2X Objective
1900-03 3X Objective
1900-04 4X Objective
2346 GH-90 Gemologist Darkfiled
kit w/gem holder

MAGNIFICATION CHART
MODEL OBJECTIVE 10X E.P. 15X E.P. ILLUM.
1890TL-10-2 2X 20X 30X TOP
1890TBL-10-2 2X 20X 30X TOP/BOTTOM
1891TL-10 1X-3X 10X-30X 15X-45X TOP
1891TBL-10 1X-3X 10X-30X 15X-45X TOP/BOTTOM
1892TL-10-2 2X-4X 20X-40X 30X-60X TOP
1892TBL-10 2X-4X 20X-40X 30X-60X TOP/BOTTOM