AF100 Lens Test #2 – Lumix 14-140 vs. Canon FD Primes

It was difficult to evaluate the Lumix 14-140. What follows is by no means a scientific analysis of this lens: it’s just what I did to see how this lens compares to my Canon FD prime lenses. The Lumix only opens up to a maximum aperture of f/4.0, and that rapidly diminishes to f/5.8, which … Continue reading →

Lenses: Zooms vs. Primes

Without getting into the science of optics, there are a couple of pretty straightforward differences between zooms and primes. The most basic difference, of course, is that a zoom lens can be adjusted to a range of focal lengths – you can zoom in and out – while a prime lens has a fixed focal … Continue reading →