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Ophthalmic Instrument Safety (ANSI Z80.36 and ISO 15004-2)

Ophthalmic Instrument Safety (ANSI Z80.36 and ISO 15004-2) Ophthalmic instruments that shine light into the eye, such as the slit lamps used by opticians and optometrists, are subject to…

New feature: Automatic source alignment on IDR300-PSL with TEL310 and PSL-ALIGN

New feature: Automatic source alignment on IDR300-PSL with TEL310 and PSL-ALIGN Using a second embedded camera as a smart viewfinder, the TEL310 can now intelligently align itself with the brightest…

Product launch: Introducing the BPC300-C System

Product launch: Introducing the BPC300-C System Bentham are pleased to announce the launch of the BPC300-C Photochromic Contact Lens Spectrophotometer, a complete solution for the automatic…

BPC300-C Photochromic Contact Lens Spectrophotometer

The BPC300-C is a complete solution for the automatic characterisation of photochromic (sun-darkening) prescription contact lenses. Multiple samples can be mounted in the temperature-controlled…

What is spatially-averaged radiance?

What is spatially-averaged radiance? Take the radiance we all know and love... Radiance is defined as the power emitted per unit area of the source into unit solid angle. The product of area and…

PCS300 Photometer Characterisation Solution

The PCS300 provides accurate characterisation of key parameters relating to the performance of luxmeters, luminance meters and components. Set around a tuneable monochromatic light source, the…

Hazards of non coherent light sources as determined by the framework of IEC TR-60825-9.

Hazards of non coherent light sources as determined by the framework of IEC TR-60825-9. Clarkson, D.M., 2004. Journal of medical engineering & technology, 28(3), pp.125-131. Abstract An overview is…

SolarSim150 Solar Simulator Characterisation

Solar simulators are widely used in photostability testing of a range of products, accurate knowledge of the irradiance at the sample plane is key to the success of your study. The SolarSim150,…

Low-energy light bulbs, computers, tablets and the blue light hazard.

Low-energy light bulbs, computers, tablets and the blue light hazard. O'hagan, J.B., Khazova, M. and Price, L.L.A., 2016. Eye, 30(2), p.230. Abstract The introduction of low energy lighting and the…

Detection of ultraviolet B radiation with internal smartphone sensors.

Detection of ultraviolet B radiation with internal smartphone sensors. Turner, J., Parisi, A.V., Igoe, D.P. and Amar, A., 2017. Instrumentation Science & Technology, 45(6),…