Otsuka Optics SL120B is designed for detailed visual inspection requiring high contrast and minimal glare. Featuring AR-coated optical glass and white LED illumination with adjustable brightness, it improves visibility of scratches, dents, and surface defects. Its table-stand configuration ensures stable positioning for continuous inspection operations and professional quality control workflows.

LED Coaxial Illumination Magnifier SL120B Otsuka Optics

Combining coaxial illumination with magnification, the SL120B delivers uniform lighting from the same direction as the viewing axis to highlight fine textures and irregularities. The ergonomic rectangular lens mimics human vision, enabling comfortable stereoscopic observation. This system supports reliable inspection results while improving operator efficiency and reducing visual fatigue during prolonged use.

Features

Coaxial Illumination Technology

Light is projected along the optical axis to clearly visualize surface unevenness and defects.

AR-Coated Optical Glass Lens

Anti-reflection coating minimizes glare and improves inspection clarity.

Rectangular Wide-View Lens

Lens shape closely matches human field of view for natural binocular observation.

Adjustable LED Brightness

White LED illumination with dimming control supports various inspection conditions.

Stable Table-Stand Design

Desktop configuration provides steady positioning for precision inspection tasks.

Spesification

Lens
Line Up	Magnification is 2x only and it has an AR coating to reduce glare, which is a concern.
Lens dimensions	Effective diameter130mm×50mm
Illumination
Light Source	White LED
Rated power consumption	16W
AC adapter type	UNIFIVE336-2415(24V/1.5) Weight: 270g
AC adapter input voltage	AC100V～240V 50/60Hz
AC adapter shape	A plug
AC adapter cord length	1800m
Dimming function	Yes (100 to 0%)
Main body
Dustproof and waterproof protection class	IP30 (for indoor use only)
Operating temperature range	０℃～３５℃
Weight	2.7kg
Clamping width (mm)	15-60 (board thickness)