Unlike wide angle lenses, where a small difference in focal length can make a large difference in angle of view, for telephoto lenses the opposite is the case.
Sharpness, Acutance and Resolution
We show you how these important parameters affect the appearance of your photos.
Bokeh and Depth of Field
How to capture images with attractive out-of-focus areas.
Using Histograms to Estimate Exposures
How histograms can help you control key factors that affect exposure levels.
Understanding Autofocusing Systems
Making the most of AF technologies.
Sharp Pictures in Five Steps
How to control key factors that affect image sharpness.
What To Take On Your Holiday Trip
Advice on what to pack in your camera bag for your next holiday trip.
How to Shoot Reflections
Some practical and creative tips on how to approach a popular photographic subject.
How to Take Great Holiday Shots
Some simple tips to help you prepare for the holiday season.
