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Sensor spots and what to do about them

September 20, 2019 by Rod Lawton

Any DSLR or mirrorless camera that takes interchangeable lenses can collect dust or other debris on the sensor surface. Sensor dust can be annoying at best, because it produces dark diffuse spots in your images that become more even more obvious if you use heavy contrast and sharpening adjustments. The risk of getting dust on […]

Video basics: resolution and frame rate

September 17, 2019 by Rod Lawton

Video jargon can quickly get complicated, and can seem even worse to stills photographers who’ve learned a whole lexicon of photography concepts and terms and now have to do the same with the very different world of video. But the video basics are comparatively simple and easily learned, and the rest can follow from that. […]

LCD displays on cameras

September 16, 2019 by Rod Lawton

Just about all cameras have an LCD display on the back. It’s used for playing back photos when they’ve been captured and for camera settings and menu navigation. On most cameras it’s also used for composing pictures – in fact, on cameras without viewfinders, it’s the ONLY way to compose your shots. These screens are […]

Tripod heads and the different types

September 15, 2019 by Rod Lawton

Tripods essentially come in two parts: the tripod legs, used for support and height, and the tripod head, which is used for positioning and pointing the camera. Often, a tripod is sold with a head as a single item, but with more upmarket tripods the legs and head are usually sold separately so that you […]

Lens aberrations and what you can do about them

September 14, 2019 by Rod Lawton

No lens is optically perfect. In the ideal world, every lens would produce a sharp, undistorted, evenly illuminated image that’s sharp from edge to edge. Some lenses come close, but the fact is that lens designers have to work within the limitations of the laws of physics and the glass materials they have available, and […]

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