Ballymore Eustace Photographic Society

The link below brings you to a good tutorial on the ring flash. 

Links to Video and text based tutorials

on various aspects of using you camera.

• Cameras
• Understanding Digital Camera Sensors
• Understanding Camera Exposure: Aperture, ISO & Shutter Speed (NEW)
• Understanding Camera Metering
• Understanding Camera Lenses: Focal Length & Aperture
• Choosing a Camera Lens Filter: Polarizers, UV, ND & GND
• Understanding Depth of Field
• Understanding the Hyperfocal Distance
• Understanding Camera Autofocus
• Selecting & Using a Camera Tripod
• Compact vs. Digital SLR Cameras (NEW)
• Camera Lens Flare: What It Is and How to Reduce It
• Digital Imaging Concepts
• Understanding Bit Depth
• Understanding Digital Pixels: PPI, Dithering & Print Size
• Understanding Histograms, Part 1: Tones & Contrast
• Understanding Histograms, Part 2: Luminosity & Color
• Understanding Image Noise
• Understanding Sharpness
• Understanding White Balance
• Understanding Image Posterization
• Understanding Dynamic Range