The diascope test pattern reference for automatic setup is a transparency (Figure 3), built into all TK47B lenses.
Source: wiktionary
Diascope
//ˈdaɪəskəʊp//
Synonyms for "diascope"
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4 total sentences available.
When it is used to project a slide then at serves as a diascope.
Source: wiktionary
The diascope passes light through the two-dimensional object (such as a photographic transparency, slide, or film) and uses a converging projection lens to form an enlarged image on a distant screen.
Source: wiktionary
The diascope (a flat piece of glass) was used to press out the blood and expose the apple-jelly points of marginal growth.
Source: wiktionary
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.