Infrared Photography Quiz

Infrared photography reveals an invisible spectrum of dreamlike landscapes. Test your knowledge of IR filters, camera conversions, and the Wood Effect.

1 / 10

Infrared photography captures light:

Below 400nm

Above 700nm (invisible to human eye)

Within 400-700nm

X-rays

2 / 10

In an IR photo, green foliage typically appears:

Black

Bright White (The Wood Effect)

Green

Red

3 / 10

A "Full Spectrum" conversion involves:

Adding a filter

Removing the internal hot mirror/IR cut filter

Painting the sensor

Changing the lens

4 / 10

The "R72" filter blocks light below:

720nm

7200nm

72nm

400nm

5 / 10

Blue skies in unprocessed IR usually look:

White

Dark / Brownish

Bright Blue

Red

6 / 10

"Channel Swapping" in post-processing is used to:

Make the sky blue and foliage white/yellow

Delete channels

Convert to B&W

Reduce noise

7 / 10

Lenses can have "Hot Spots" in IR, which are:

Areas of sharpness

Bright, discolored circles in the center of the frame

Overheated glass

Flares

8 / 10

Focus shift in IR means:

IR light focuses at a different point than visible light

Autofocus doesn't work

Everything is in focus

Nothing is in focus

9 / 10

Which white balance setting is a good starting point for IR?

Auto

Custom WB on green grass/foliage

Tungsten

Daylight

10 / 10

False Color IR involves:

Painting the photo

Mapping IR tones to visible colors for artistic effect

Being color blind

Using a broken sensor

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