Lens design of RICOH’s lens shutter film half camera!
column
camera
lens
![](https://vintageshopjapan.com/wp-content/uploads/2024/07/ai-2.png)
at first
I’m sorry
Because we can’t speak english
I am using DeepL translate, so it may be a strange sentence,
but I would like you to understand
Thank you!
Today we will take a look at the lens of RICOH’s lens shutter film half camera released in 1965.
RICOH AUTO HALF S (Reference product)
The lens is located in the center of the camera, in the exposure detection window.
![](https://vintageshopjapan.com/jp/wp-content/uploads/2024/07/1-1-1024x869.jpg)
It will be a 4-element lens in 3 groups with f=2.5mm and f=2.8.
![](https://vintageshopjapan.com/jp/wp-content/uploads/2024/07/2-1.jpg)
This lens was designed in-house, but Tomioka Kogaku seems to have been in charge of the manufacturing.
![](https://vintageshopjapan.com/jp/wp-content/uploads/2024/07/4.jpg)
This time we introduced a lens for RICOH’s lens shutter film half camera released in 1965.
As for this lens, it is a historical lens that lasted until the 1970s.
It has been used for a long time because it was a solid lens from the time of its release!
![](https://vintageshopjapan.com/jp/wp-content/uploads/2024/07/7-1024x772.jpg)
Please look forward to the next issue, where I will continue to discuss the design and functions of film cameras that you may be interested in!
Thank you for reading my column today.
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Writer Takashi Okumura
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