Photographic Lens Design

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Cutaway diagram of a Leica IIIa (1939) with Hektor 73mm and Elmar 50mm lenses.

Cutaway diagram of a Leica IIIa (1939) with Hektor 73mm and Elmar 50mm lenses.

Super-Multi-Coated TAKUMAR 1:2.8/105mm

Super-Multi-Coated TAKUMAR 1:2.8/105mm

Canon High Speeds

Canon High Speeds

Canon wide angle lenses

Canon wide angle lenses

optical formulas: Takumar 58/2 v Super Tak 50/1.4 v M50/1.4 v FA43/1.9

optical formulas: Takumar 58/2 v Super Tak 50/1.4 v M50/1.4 v FA43/1.9

Die Cast Pro - Super-Multi-Coated TAKUMAR 1:2.8/105mm

Die Cast Pro - Super-Multi-Coated TAKUMAR 1:2.8/105mm

Canon wide angle lenses

Canon wide angle lenses

Six-element, symmetrical type lenses. Meyer Double Plasmat; Schneider Symmar

Six-element, symmetrical type lenses. Meyer Double Plasmat; Schneider Symmar

Aldis Anastigmat - Antique and Vintage Cameras

Aldis Anastigmat - Antique and Vintage Cameras

In the East, Carl Zeiss Jena produced the f2 50mm Flexon/Pancolar less than a year after the Planar 2/50 using only 6 elements, same with the later 1.8/50 Pancolar.

In the East, Carl Zeiss Jena produced the f2 50mm Flexon/Pancolar less than a year after the Planar 2/50 using only 6 elements, same with the later 1.8/50 Pancolar.

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