Crossword clue: a glass through which objects appear multiplied, but diminished in size.
2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
Possible answers
A glass through which objects appear multiplied, but diminished in size. [R.]
A glass through which objects appear multiplied, but diminished in size. [R.]