OptoSigma

Application System
Microscope Unit
Catalog Code:W2008
Ultra Long Working Distance Zoom Microscope ULWZ/ULWZ-M

Maximum working distance of 500mm.
Suitable for observing the inside of vacuum chambers and ovens in the special environment.


Light, compact body is suitable for assembly in a small space.
A single unit can cover everything from confirmation of the whole image to enlarged observation, with an optical performance of zoom ratio 12×.
The optical magnification and stroke distance can be easily changed by assembling and or replacing the front converter lens (ULWZ-100 is not supported).
Coaxial epi-illumination, which is regularly mounted on the product,enables the observation of bright field.
The lineup also includes an motorized type suitable for embedding in equipment or for automatic measurements.
Manual type is switching the magnification manually and consisting of the zoom lens tube (SZL) and objective lens (UZOL/UFCL series).
Motorized type is switching the magnification by controller and consisting of the zoom lens tube (SZLM), the objective lens (UZOL/UFCL series), the switching controller (GIP-101) and the zoom control cable(ZCA-2).
C mount 1/2-inch camera is supported.
Manual type Specifications
Part Number ULWZ-100 ULWZ-200 ULWZ-300 ULWZ-400 ULWZ-500
Optical magnification 1.25 - 15× 0.58 - 7× 0.37 - 4.48× 0.28 - 3.41× 0.23 - 2.74×
N.A. 0.03 - 0.2 0.014 - 0.08 0.009 - 0.052 0.007 - 0.039 0.006 - 0.032
WD [ mm ] 101 206 305 404 502
Image size [ mm ] φ8(for 1/2 inch sensor size, C mount))
Corrected Wavelength range [ nm ] 400 - 700
Actual field of view [ mm ] 6.4 - 0.5 13.8 - 1.1 21.6 - 1.8 28.6 - 2.3 34.8 - 2.9
Resolution (at Mercury e-line) [ μm ] 11.2 - 1.7 24.0 - 4.2 37.3 - 6.5 47.9 - 8.6 55.9 - 10.5
Depth of field (at Mercury e-line) [ μm ] ±305.6 - ±6.9 ±1403 - ±43 ±3395 - ±102 ±5612 - ±181 ±7639 - ±269
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Motorized type Specifications
Part Number ULWZ-100M ULWZ-200M ULWZ-300M ULWZ-400M ULWZ-500M
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Outline Drawing
Zoom Lens Tube

Ultra Long working distance objective lenses

Front convertor lenses

System Diagram

Both Manual (LWZ) and Motorized (LWZ-M) models are available models prepared.


カラーカメラ リアコンバータ コントローラ 部分遮光カセット フォーカスユニット / ポールスタンド 照明装置 ライトガイド リングライトガイドW2038
Standard configuration
Manual type
Component Parts Part Number Long Working Distance Zoom Microscopes : Manual type
ULWZ-100 ULWZ-200 ULWZ-300 ULWZ-400 ULWZ-500
Lens tube with zoom SZL
Long working distance objective lens UZOL-7 -
UZOL-15 - - - -
Front converter lenses UFCL-300 - - - -
UFCL-400 - - - -
UFCL-500 - - - -
Motorized type
Component Parts Part Number Long Working Distance Zoom Microscopes: Motorized type
ULWZ-100M ULWZ-200M ULWZ-300M ULWZ-400M ULWZ-500M
Lens tube with zoom SZL
Long working distance objective lens UZOL-7 -
UZOL-15 - - - -
Front converter lenses UFCL-300 - - - -
UFCL-400 - - - -
UFCL-500 - - - -
Controller GIP-101
Zoom control cable ZCA-2
System Configuration

* Laptop PC to be supplied by user

Product Name Part Number
Lens tube with zoom SZLM
Long working distance objective lens ZOL-15
2.0 Mega-pixels USB2.0 camera SK-TC202USB-AT
Controller GIP-101
Zoom control cable ZCA-2
LED light source SLA-100
Light guide MSL-1000F
Pole stand PS-S
Coarse / Fine Z-axis stage ZAS-FAC-PST
Example of Application

Monitoring vacuum chamber

Monitoring vacuum chamber
Monitoring blast furnace
Observing internal bubbles and inclusions of glass
Optical inspection of Flat Panel Displays
Sample image of resolution target (LWZ-15M)

Without Rear converter
Observation Field of View About 0.55×0.45mm

ZRCL-1.5
Observation Field of View About 0.37×0.3mm

ZRCL-2
Observation Field of View About 0.28×0.22mm