ZEISS has become applying telescopic lenses given that 1954 to help a more compact structure. These intentions culminated in 1969 Using the introduction of pocket binoculars, the ZEISS 8x20, which may very well be folded small enough to fit right into a pocket. Use lens attachments to adjust the width https://eosr42964.verybigblog.com/19966974/facts-about-canon-mirrorless-revealed