BioInfo (UK)

Knight Optical Ltd:

"Proper" polaroid sheet - HN22 - is no longer manufactured, but this company have a supply.

It's quite a thick and fragile material so you'd be best to get them to cut it for you. A lacquered finish is available for scratch protection.

With crossed-polaroids of HN22 the background will be completely black to the eye so this is the polaroid to use for photography.

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Malcolm Storey

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BIOTA (living things) Background Reading Current
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