How to observe the inside of a hole - Visual Inspection & Microscope Shodensha Vietnam Co., Ltd.

The feasibility of observing the interior of a hole using surface-emitting coaxial illumination depends on the diameter of the hole; larger diameters facilitate more effective observation.


The subject is the hole in a cylindrical metal object.	I utilized surface-emitting coaxial illumination to observe the interior of the hole
	– The coaxial illumination allowed light to penetrate deep into the hole, enabling clear observation of any imperfections or scratches within its depths.
	Surface-emitting coaxial illumination

– Endoscopes and borescopes are also effective methods for observing the interiors of holes.

	– High-function industrial endoscope with a 3.5-inch monitor MIGS300-V551 – Cable lengths of 1 meter and 2 meters are available for selection.
	– Flexible, user-friendly cable with a diameter of 5.5mm. The tip features a slim 4.0mm diameter type. MIGS300-401 (available in 1m and 2m lengths).
	– Borescope BAL-0418L (0°) – Available in 0° (direct view), 30° (side view), 70° (side view), and 90° (side view) types. – The outer diameter of the tube is 4mm.
	– Ultra-slim industrial endoscope – Equipped with a 0.7mm ultra-slim probe, enabling the inspection of precision-engineered components.

For more details about the product, please feel free to contact our technical support. We also accept requests for testing.