Catalogue Page from Exhibition Catalogue: 1908 Fifty-third Annual Exhibition of the Royal Photographic Society of Great Britain

showing (E08A057) Exhibit no. [832]: New series of graduated light filters for all brands of Orthochromatic plates. Placed on the lens in a special fitting, gives more exposure to the foreground than to the sky and distance. Several striking photographs taken with the aid of these screens a by Sanger Shepherd & Co. ()

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