{"product_id":"camera-ancienne-grand-format-rochester-optimal-co-circa-1890","title":"Antique large format camera - Rochester Optical Co. circa 1890","description":"\u003cp\u003eReversible Back Premo model produced by Rochester Optical Co. from 1896 to 1900 in New York. This large format camera uses 6.5 x 8.5 inch glass plates as its medium.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan\u003eThe Reversible Back Premo possesses a greater focal capacity, and as its name indicates has a Reversible Back. This adjustment is especially desirable when the camera is used on a tripod, as the position of the plate may he instantly changed from a horizontal to a vertical position, or vice versa, without moving the camera itself. It has a Double Swing Back, both Rising and Sliding Front and a fine Rack and Pinion movement, permitting the most delicate focusing. The horizontal and vertical swings oscillate at \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ethe center of the plate, which is optically correct. The extended bellows allows for copying, enlarging and all other purposes requiring an extended bellows length.\u003c\/span\u003e\u003c\/p\u003e","brand":"Les Antiquités Bolduc","offers":[{"title":"Default Title","offer_id":63091339952499,"sku":null,"price":1795.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/0505\/9955\/files\/20260709_3422.jpg?v=1784053630","url":"https:\/\/www.lesantiquitesbolduc.com\/en\/products\/camera-ancienne-grand-format-rochester-optimal-co-circa-1890","provider":"Les Antiquités Bolduc","version":"1.0","type":"link"}