Photographic Lens Design

Steinheil Quinar 2.8/135 | Praktina Bajonett

Steinheil Quinar 2.8/135 | Praktina Bajonett

A History of Early Film

A History of Early Film

Metabones Speed Booster Optical Diagram

Metabones Speed Booster Optical Diagram

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.

Rietzschel Prolinear F:1.9 / 13.5cm D R P 164290

Rietzschel Prolinear F:1.9 / 13.5cm D R P 164290

R&J. BECK Patent 871559 9.5 In Isostigmar f 6.5 No 113434

R&J. BECK Patent 871559 9.5 In Isostigmar f 6.5 No 113434

Aldis Anastigmat - Antique and Vintage Cameras

Aldis Anastigmat - Antique and Vintage Cameras

Aldis' f/7.7 Uno Anastigmat

Aldis' f/7.7 Uno Anastigmat

1921 Print ~ Photographic lens

1921 Print ~ Photographic lens

135mm f.4 Bellows Rokkor TC - 1958-66 con LV

135mm f.4 Bellows Rokkor TC - 1958-66 con LV

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