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The Lex is a Japanese leaf shutter made by Mars in the late 1930s and early 1940s. It was called Pladon at an early stage. It is in #0 size, has no self-timer and is intended for use with a body release.
Pladon and Lex (T, B, 1–200) Edit
The Pladon (T, B, 1–200) was advertised around 1937 on the Reex 6×9cm folder. It has a black shutter plate, presumably inscribed Patents–Pending at the top and PLADON at the bottom, and has a round PL logo on the right. The aperture scale is attached to the bottom, and there is a rather long release lever on the side.
The Lex appears with T, B, 1–200 speeds on surviving Reex cameras — "Reex" and "Lex" may be pronounced about the same by a Japanese speaker, and this is perhaps not a coincidence. It has the same features as the Pladon, including the specific release lever. It only differs by the newer design of the shutter plate, with metal stripes on both sides of the lens. The Patents–Pending marking and the PL logo are similar, and only and the name at the bottom has changed. (On at least one particular camera, the aperture scale is reportedly covering another, directly inscribed on the shutter plate itself.)
Lex (T, B, 5–200) Edit
| Lex (T, B, 5–200) on a Semi Kinka.|
Pictures courtesy of Adrian Gotts.
Other Lex shutters, giving T, B, 5–200 speeds, have been observed on a Weha Six, a Loyal, a Semi Kinka and maybe a Semi Proud II. They have no PL logo, and the words Patents–Pending at the top are replaced by the company name Mars Tokyo and an index for the front-cell focusing lens. The aperture scale is directly inscribed at the bottom, under the shutter name.
- ↑ Undated leaflet presenting various cameras including the Reex.
- ↑ Yokogawa, p.74 of Kurashikku Kamera Senka no.53.
- ↑ Example pictured in Sugiyama, item 1266.
- ↑ Example observed in an online auction.
- ↑ Example pictured in the page on the Semi Kinka.
- ↑ Example observed in an online auction, shutter name unconfirmed.
- ↑ Semi Rosen III: column in Asahi Camera April 1940, pp.705–6, mentioned in Kokusan kamera no rekishi, p.343. — Roavic: advertisement dated February 1942, reproduced in Kokusan kamera no rekishi, p.105. In both cases, the shutter is called レックス in katakana only.
- Anonymous company. Leaflet for the Victory, Semi Dymos, Reex, Baby Ref, Union Ref and Baby Chrome. Date not indicated. Document reproduced in this Flickr album by Rebollo_fr.
- Asahi Camera. "Atarashii kikai to zairyō" (新しい機械と材料, New equipment and materials), April 1940, pp.705–7.
- Asahi Camera (アサヒカメラ) editorial staff. Shōwa 10–40nen kōkoku ni miru kokusan kamera no rekishi (昭和10–40年広告にみる国産カメラの歴史, Japanese camera history as seen in advertisements, 1935–1965). Tokyo: Asahi Shinbunsha, 1994. ISBN 4-02-330312-7.
- Sugiyama, Kōichi (杉山浩一); Naoi, Hiroaki (直井浩明); Bullock, John R. The Collector's Guide to Japanese Cameras. 国産カメラ図鑑 (Kokusan kamera zukan). Tokyo: Asahi Sonorama, 1985. ISBN 4-257-03187-5.
- Yokogawa Takashi (横川孝). "Nazo no kokusan supuringu-kamera 'Reex'" (謎の国産スプリングカメラ「Reex」, The Reex: a mysterious Japanese self-erecting camera). Kamera Rebyū: Kurashikku Kamera Senka (カメラレビュー クラシックカメラ専科) / Camera Review: All about Historical Cameras no.53, December 1999. ISBN 4-257-13026-1. Tokushū: 50-nin no korekutā ni kiku watakushi no ichi-dai (特集:50人のコレクターに聞く私の1題, 50 stories told by camera collectors). Pp.74–5.