⚡ Are my articles too long? Click this button for a condensed version!The Rolleiflex SL35, produced by Franke & Heidecke between 1970 and 1976, was the first 35mm SLR to carry the Rolleiflex name and introduced the company's proprietary QBM "Quick Bayonet Mount." Born out of Rollei's attempt to diversify … Continue reading Rolleiflex SL35 (1970)