Olympus IX81 Broszura i specyfikacje - Strona 9

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High level basic performance makes a vital difference to

experiment results.

Thermally

compensated

relay lens optics

Capture of high-clarity primary image

Since the UIS2 optical system is compensation-free (i.e. compensa-

tion is performed only by the objective lens), a clear primary image*

can be captured through any camera port offering from IX2 system.

* The "primary image" is the first image created by convergence of the luminous flux after passing

through an objective. There is no loss in light quantity and no image deterioration.

V-shaped optical path to reduce light loss

In order to minimize light loss from reflection, a simple V-shaped

optical system is employed. This restricts reflection inside the

microscope to one-time-only, reducing light loss and allowing

observation of even weak fluorescent signals.

Thermally compensated relay lens optics

Used for the observation optical path, thermally-compensated relay

lens optics involve combining lenses with different thermal

characteristics to offset blurs caused by temperature change.

Against thermal expansion to prevent defocusing

External power supply

Time-lapse observation over a long period will cause some heat

strain to the microscope, from temperature changes in the

environment and air blown from an air-conditioner. Because such

changes can cause blurring, the IX2 series design focuses on its

structure in order to maximize rigidity and equips the external

power supply for transmitted illumination on the outside of the

microscope. Thereby IX2 series archives the highest level of thermal

expansion compensation. Various accessories are provided to

stabilize long-term time-lapses, such as an incubator that reduces

temperature changes in the environment and the effects of air

conditioning.

High body rigidity

In addition to maximizing rigidity of IX2 microscope frame, Olympus

simplified or shortened mechanical structures from the focusing

handle to the revolving nosepiece, thereby achieving to minimize

the focus drift.

Revolving nosepiece

guide structure

The shorter section in red,

the less influence from

heat and force — resulting

in improved rigidity.

Ease of use in a compact body

[ Compact body ]

Compact body design allows wide port space for both left and right

sides, the bottom and on the back. It allows you to use the variety

of peripherals with offering an

394

excellent operability.

[ Tilting binocular tube/U-TBI90 ]

A tilting observation tube with 35-85°

elevation angle. This tube offers

ergonomic operation for both sitting and

even standing position.

[ Frontal control ]

Light path selection lever

Two-stage selection

between the observation

tube and the left side port.

This big lever prevents

operation errors in the dark

room.

Light adjustment dial

TTL Pulse control switch

Power ON/OFF switch

ON/OFF switch for the

motorized shutter (e.g.

made by UNIBLITZ).

Basic Characteristics

[ Focus free collection ring ]

The newly developed LUCPLFLN40X (N.A.

0.6, W.D. 3.4 mm*) and LUCPLFLN60X (N.A.

0.70, W.D. 1.5-2.2 mm) are compatible with

various container thickness. Turning the

correction ring does not blur the focus when

correcting spherical aberration caused by

different container thickness. A simple

correction operation optimizes the

observation image.

* When using 1 mm thickness container.

LUCPLFLN 40X

Operating the correction ring does

not blur the focus.

(Unit: mm)

When using a conventional

objective with correction ring

Focus blurs when correction ring

is operated.

[ Oil immersion

protection function ]

Prevents immersion oil

infiltrating through the tip of

the objective.

[ Magnification changer ]

This intermediate

magnification changer

offers different

magnification without

switching the objective lens.

1.6X is standard (IX71/81)

and 2.0X is optional.

Field stop (F.S.)

[ Glass stage insert

Aperture stop (A.S.)

plate/IX2-GCP ]

The objective type and its

magnifications can easily be

recognized through this

glass stage insert.

[ Fluorescence indicator ]

Bright,easy-to-see self-

illuminated labels are used

to denote fluorescence filter

sets, easily visible in a dark

room.

Shutters for

fluorescence excitation

Focus knob

[ Fluorescence turret

confirmation window ]

The fluorescent mirror unit

can be confirmed from the

space between the left and

right eyepieces of the

observation tube.