Spring is a great time of year to start thinking about teleconverters. Useful for bird, wildlife & sports photography, teleconverters are viable alternatives to spending thousands of dollars on a long lens. A teleconverter, paired with a decent zoom lens of reasonable speed, is a fine choice. This article dispels common myths about teleconverters, and explains just how useful they can be.

There are only two kinds of digital photographers who use cameras with interchangeable lenses, those who have had to deal with sensor dust and those who have not had to deal with sensor dust, yet. If you are in the latter group, be ready, because it will happen.

The Exposure Triangle is a continuous entity. A change to any value necessitates a change to at least one, perhaps both of the other elements. If we want a higher shutter speed, then either we have to open the aperture or increase the ISO or some combination of the two. When we shoot in full automatic, the camera’s CPU is doing all the work for us based on the meter reading. That’s great, right up until we choose to take a bit more creative control of the triangle.