This category is for companies which are primarily known as accessory makers, and which did not make cameras or lenses in any notable quantity.
“Sekonic is a Japanese manufacturer of light meters, still active today (2010). The company's...Sekonic
“In the photo business Sony is one of the newer players. It entered the photography market in the...Sony
“Okano Seisakusho (岡野製作所) was a Japanese accessory maker and repairer in the mid-1930s. It is...Okano
“Maruyama Seisakusho (丸山製作所) was a Japanese company, known from an advertisement dated January...Maruyama