WIPA was perhaps the acronym of a Japanese lens maker. The name WIPA NIPPON and a WIPA logo appear on a Yamat-Anastigmat 21cm f/4.5 barrel lens for large-format cameras (engraved YAMAT–Anastigmat 1:4.5 F=21cm WIPA NIPPON N°13129). The name "Yamat" is certainly a peculiar romanization of Yamato (やまと or 大和), one of the numerous words meaning "Japan", perhaps playing with the "mat" termination of "Anastigmat".
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