We present a method based in the study of the edge spread function (ESF) obtained by using a solid metallic block image to measure the resolution of a radiotherapy EPID. With this simple method it is ...

In this article, Durr NDT explains how their digital radiography solutions have been useful in the aerospace industry to optimize turbine inspection.

It’s about the quality of unsharpness… Compare and contrast results from my go-to Sony 85mm, a Canon 70-210 f/4 zoom, a Trioplan and the Sigma.

Is there something special about the depth-of-field offered by medium format? Chris and Jordan look closely at the effect of format size on depth-of-field to find out.

To find out the effective testing techniques to detect Stress Corrosion Cracking in the in-service Austenite stainless steel pressure vessels and piping, testing experiments of Liquid Penetrant ...

This in vivo study evaluated the dissociation quality of maxillary premolar roots combining variations of vertical and horizontal angulations by using X-ray holders (Rinn -XCP), and made a comparison ...

The unsharpness is more likely to be attributable to slight delays in re-focusing when subject distances changed than to the quality of the lens we used. Audio quality was up to expectations, given ...