Smart Photography 201707

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quality.

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absolutely parallel to the front element
of the lens, you can expect a loss in
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have multi-coating or is poorly coated,
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ghosting. At all times, avoid the sun
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is recommended.

2. When I started photography some
   40-45 years ago, I tried using my sun-
   glasses to increase the contrast in my
   black & white photographs, because I
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   did seem to work but the curvature of
   the sun-glass caused uneven sharpness

that I couldn’t correct. A welder’s glass

could work as an experiment, but it

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type of glass that is used in making the

individual lens elements. (Filters are

also made from plastic, but they tend

to scratch easily). The welder’s glass

may also cause a colour cast which

could be troublesome to get rid of.

Rainbows

I like to photograph rainbows,

though I am not always successful.

Any tips on how I can always get

good rainbow shots?

A. Amin, Vizag

Know when and where rainbows

can appear. Rainbows are seen when

there is moisture in the air (rain, fog,

mist, water sprays) and sunlight passes

through the water droplets creating a

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the drops. A rainbow is generally seen

on the opposite side of the sun when

the sun is approximately 42 degrees

relative to the viewer.

1) A wide-angle lens – 24mm or wider

• is suggested if you want to cover the
  entire rainbow.

2) For best results, tripod your camera.

3) Use a narrow aperture (like f/11) to

cover up for any discripency in focus.

4) ��������������������������������

enhance the colours but keep in mind

that under certain positions of the

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Smart PhotographyJuly 2017