Olympus EHT-423 Kullanım Kılavuzu - Sayfa 6

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SPECIFICATIONS

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FHT

EHT

Vertical

stage

movement.

Vertical

stage

movement.

Focusing

coax ial coarse and fine ad·

separate

coarse

and

fine

justments,

with

automatic

adjustments. with auto-

pre·focusing lever.

matic pre-focusing lever.

Coarse

Devetait slideways, rack

and

pinion

type:

adjustment

range 32.5 mm

Fine

Adjustment ragne 1.2mm.

Adjustment range 1.2mm,

adjustment

graduated in increments of

Micra-

1 micron.

microns.

scope

Tungsten lamp, 6V. 5A, with centering device and built·in

Stand

Light

transformer.

source

Auxiliary lenses for low, medium and

high

power

objectives.

Revolving

Quintuple, on ball bearings. Engravings. coded A to E.

nosepiece

to facilitate objective insertion.

Condenser

With condenser centering device and rack·and-pinion

mount

height adjustment. Height displacement 23.5mm.

Tube inclination 45-, rotatable 360-, both eyepiece tubes

Binocular

provided with diopter and tube length adjustments,

tube

except Bi-SW observation tube inclined 30-, and diopter

Obser-

difference

can be adjusted by the SW eyepiece tube.

vation

I nterpupillary distance adjustment from 56mm to 74mm.

Tubes

Tube inclination 45·, rotatable 360·, both eyepiece tubes

provided with diopter and tube length adjustments, except

Trinocular

Tr-SWobservation

tube

inclined 30·, and diopter difference

tube

can

adjusted by the SW eyepiece tube. Interpupillary

distance adjustment from 56mm to 74mm, with photo

tube. Light path selector lever.

FrS

CrS·VH

Rotatable graduated mech·

Stages

anical stage with horizontal

anical stage with low drive

drive controls, movement

controls, movement range

range 44mm x 76mm. Ver·

52mm x 76mm.

Vernier

nier scales reading to O. 1mm

scales reading to 0.1mm.

Achromatic! NA

1.40, with decenterable aperture iris diaphragm and

aplanatic

graduated scale.

condenser

Can·

Abbe

N.A.

1.25, with aperture iris diaphragm and swing-out

densers

condenser

filter

mount.

CO-4

N.A. 0.85,

for super widefield of view, with variable

condenser

aperture iris diaphragm,

filter holder and

auxiliary

condenser lens.

Photo Eyepieces F K

The new photo eyepieces F K are specially designed for photo-

micrography with the Olympus Photomicrographic System Camera Model

PM-10 (optional). The eyepiece powers available are 2.5x, 3.3x, 5x

and 6.7x. Each magnification is computed to focus an image at a projec-

tion length of 125mm - the same plane as the 35mm film plane, thus

compensating spherical aberration. The respective magnifications

are engraved on the

K eyepieces: Total magnification of a picture

when the F K eyepiece is used. is formulated as follows:

Total magnification with 35mm film = Objective power x FK eye-

piece power.

The formula below, however. will be applied in case the camp.ra

adapter with relay lens, model PM-D L, is used for larger format

camera backs:

Total magnification of.large format picture

Objective power x FK

eyepiece power x3.