Coral

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Q Coral Lens on an Aires Viscount M2.8 image by Hans Kerensky (Image rights)

Coral (コーラル, kōraru) was the brand used for lenses by Shōwa Kōki, and, after the absorption in 1953 of that company by Aires, by Aires itself.

Lens list

Coral

3-element 3-groups

• 1:3.2/f=4.5cm
• 1:3.5/f=4.5cm
• 1:3.5/f=7.5cm

Q Coral

4-element 3-groups

• 1:1.9/f=4.5cm
• 1:2/f=5cm
• 1:2.8/f=4.5cm
• 1:2.8/f=5cm

P Coral

5-element 4-groups

• 1:2.4/f=4.5cm

H Coral

6-element 4-roups

• 1:1.9/f=4.5cm
• 1:2/f=4.5cm

S Coral

7-elements 4-groups

• 1:1.5/f=4.5

W Coral

4-elements 3-groups

• 1:3.2/f=3.5cm

TELE Coral(Telephoto Lens Tele Coral)

5-elements 3-groups

• 1:3.5/f=10cm

Source / further reading

In Japanese:

• Hagiya Takeshi (萩谷剛). "Airesu no kamera: Yarūfurekkusu soshite 6×6-han niganrefu, 35mm kamera e (アイレスのカメラ：ヤルーフレックスそして6×6判二眼レフ、35mmカメラへ, The Aires cameras: From the Yallu Flex to 6×6 TLRs and 35mm cameras). Chapter 5 of Zunō kamera tanjō: Sengo kokusan kamera jū monogatari (ズノーカメラ誕生：戦後国産カメラ10物語, The birth of the Zunow camera: Ten stories of postwar Japanese camera makers). Tokyo: Asahi Sonorama, 1999. ISBN 4-257-12023-1.