Secondhand Shin-Nippon OP-2 Surgical Microscope

Objective AI Report

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Report date: 02.03.2026

SHIN-NIPPON OP-2 Surgical Microscope Analysis Report

Device Identification

The device shown in the visuals is a surgical microscope used for surgical and examination purposes, mounted on a mobile wheeled stand. The system consists of an optical head (binocular part), an illumination control unit, an articulated acrobatic arm system, a mobile wheeled stand, and a foot pedal control unit.

Brand and Model

On the metal label located on the microscope arm in Visual 5, the brand name “SHIN-NIPPON” and immediately next to it, the model code “OP-2” are written clearly, indelibly, and in capital letters. Based on this data, the product’s brand has been identified as SHIN-NIPPON and its model as OP-2.

Areas of Use

The product is used to provide detailed imaging in ophthalmology (eye), ENT (Ear, Nose, and Throat), and delicate surgical branches. Thanks to its tissue magnification and illumination functions, it is suitable for microsurgical interventions and detailed outpatient examinations.

Originality

The labeling on the device, the quality of the cast body, the control panel layout, and the industrial paint standards used indicate that the product is an original factory output. No signs of aftermarket or assembled parts have been observed.

Quantity Information

• 1 main microscope unit (including stand and arms).
• 1 optical head (binocular attachment).
• 1 wired foot control pedal.

General Condition

The device is second-hand. The body color and design language indicate that the production is not current, but the integrity of the device has been preserved. No bending or instability is observed in its mechanical and static posture. The mobile stand’s feet being wrapped in bubble wrap indicates that the device has recently been shipped or is being prepared for storage.

Physical Deformation

No deep scratches, dents, or corrosion are observed on the microscope body and painted surfaces. Superficial color changes due to use on the optical head and metal components at the joints are at a normal level. No breakage has been detected on the plastic control knobs.

Mechanical Components

The connection points of the articulated arms appear solid. The black fastening and adjustment knobs seen in Visuals 1 and 4 are in place. The balance arm system (Visuals 3 and 4), presumed to be shock-absorbed or spring-loaded, maintains its physical integrity. Since the foot-wheel system is wrapped in protective packaging, the rotation performance of the wheels could not be visually analyzed.

Electronic Components

The control box contains 4 push-button switches and 1 rotary potentiometer (dimmer). The switches are physically in place. A green indicator light labeled “POWER” is present on the front panel. The fan grille (heatsink) of the light source is located on the upper part of the unit and appears clean. Based on visual analysis, a definitive comment on the condition of the internal circuits cannot be made.

Accessories

• Foot Pedal: A grey, two-button pedal (likely for focusing/focus or motorized zoom control) connected to the device with a cable is present. The inscription “UP” is legible on the pedal.
• Power Cable: A black main power cable is present.
• Protective Caps: No protective cap is visible in front of the objective lens.

Battery Status

The device operates with mains electricity (AC). No internal battery system for portable use has been detected in the visuals.

Label Information

• Brand: SHIN-NIPPON
• Model: OP-2
• Voltage Selection: Under the “VOLTAGE SELECTOR” inscription, AC 100V-120V / 3A and AC 220V-240V / 2A options are stated.
• Fuse Information: 3A and 15A fuse slots are marked.
• Switches: The inscriptions ON, OFF, LIGHT, POWER are present on the panel.

Screen Analysis

The device has an analog structure; no digital LCD or LED screen is present. All controls are provided via mechanical switches and knobs.

Dimensions and Compatibility

It is designed with ergonomics suitable for adult use. The stand height and arm length are suitable for a standard examination room or operating theatre configuration.

Year of Manufacture

No clear production date label is legible on it. However, the style of the electronic components used (switches, panel design) and the industrial design suggest that the device belongs to the late 1990s or early 2000s.

Documents

No invoice, user manual, calibration certificate, or warranty card belonging to the device is found in the visuals.

Current Malfunction

During visual inspection, no concrete malfunction indicators such as broken parts, disconnected cables, blown bulbs, or damaged lenses have been detected. A frame showing the “POWER” light illuminated is not available, thus the active operating status is uncertain.

Potential Malfunction Risk

Considering the age of the device, the illumination bulb having reached the end of its life or efficiency loss over time in fiber optic transmission cables (if present in the internal structure) is a potential situation. Mechanical looseness in the joint sections may require simple maintenance. No serious corrosion or risk of structural collapse has been observed. Although its general condition reflects its age, it is clean and in usable condition.