K 28 - (H.Kolberg i S-ka w Warszawie)
Universal gun camera manufactured under french license.
Gun cameras or photographic cameras were used for measuring accuracy of observer/ air gunner. This piece of equipment was adapted by the Polish Air Force in 1926. Initially, Polish pilots used imported equipment.
In 1927 - at the request of the Department of Aviation MSWojs - Fabryka Aparatów Optycznych i Precyzyjnych H. Kolberg i S-ka w Warszawie (Factory of Optical and Precision Devices H. Kolberg & Co. in Warsaw) worked on starting domestic production of aircraft cameras (gun cameras). In the same year H. Kolberg & Co. purchased from a French company (Precision Optique et de Levallois in Paris - later shareholder) a license to manufacture the camera marked No. 23/27 and started its production. Polish army renamed it to K 28.
According to the license agreement Kolberg Factory produced only optic parts, while the body and mechanical components were imported from France.
No: Kol / K28 / 10
Gun camera K-28 (inside the aerodynamic metal body) fixed over the Vickers F class machine gun on an airplane Farman-Goliath
K-28 camera was a universal hardware - it could be mounted on both fixed and mobile positions of pilot and observer. It was fitted with two lenses - main - used for recording accuracy, and additional - side - used for recording time of firing projectile.
Factory of Optical and Precision Devices H. Kolberg & Co. In Warsaw
||Aircraft camera used to help measure accuracy of a gunner|
||Standard film roll 6 cm, 15 or 12 film frame (type 120)|
||6 x 4,5 cm|
|Years of production||1933 - 1934
||Focal length f=165mm, 1:5|
|Additional lens||additional side lens used for recording time - "the time when enemy aircraft was shot down"|
|Shutter||ok. 1/150 s|
|Number produced||approx. 220
|Price (1933)||2.150 zł
Photography of K-28 as well as detailed information was taken from an article by Marcin Skrzypacz, published at: http://www.weu1918-1939.pl/fotokarabin-k28/.
Materials provided with the consent of the website administrator - www.weu1918-1939.pl