The challenge with diopters is getting a sharp image while maximising depth-of-field and limiting edge distortion. The latter is a real issue when shooting at wider angles. Compared to lenses …
Category:
Photography
Introduction You might spot us around using a Nemo Blu3 system (now superseded by the Nomad Mini). It’s a battery-powered dive system with a 3m hose and regulator. It’s like …