SU117258A2 - Optical attachment on a photo or movie camera lens for sensitometric control in color photography - Google Patents

Optical attachment on a photo or movie camera lens for sensitometric control in color photography

Info

Publication number
SU117258A2
SU117258A2 SU552323A SU552323A SU117258A2 SU 117258 A2 SU117258 A2 SU 117258A2 SU 552323 A SU552323 A SU 552323A SU 552323 A SU552323 A SU 552323A SU 117258 A2 SU117258 A2 SU 117258A2
Authority
SU
USSR - Soviet Union
Prior art keywords
photo
movie camera
camera lens
color photography
optical attachment
Prior art date
Application number
SU552323A
Other languages
Russian (ru)
Inventor
С.М. Хазан
Original Assignee
С.М. Хазан
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by С.М. Хазан filed Critical С.М. Хазан
Priority to SU552323A priority Critical patent/SU117258A2/en
Application granted granted Critical
Publication of SU117258A2 publication Critical patent/SU117258A2/en

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Description

В основном авт. св. N° 75231 опнсана насадка на объектив киносъемочной камеры, выполненна  в виде дополнительной линзы, в фокальной плоскости которой расположена сера  или цветна  шкала, служаща  дл  сенситометрического контрол  при цветных киносъемках.Basically auth. St. N ° 75231 is mounted on the lens of a movie camera, made in the form of an additional lens, in the focal plane of which a sulfur or color scale is located, which serves for sensitometric control during color filming.

Однако эта насадка позвол ет получить заполн ющую весь кадр контрольную шкалу, годную дл  сенситометрического контрол  только при съемке ахроматических объектов, так как в случае наличи  в кадре окрашенных предметов контрольна  шкала будет воспроизведена с цветным оттенком.However, this nozzle allows you to get a full scale filling frame, suitable for sensitometric control only when photographing achromatic objects, since if the frame contains colored objects, the control scale will be reproduced with a color shade.

В предлагаемой насадке этот недостаток может быть устранен освещением контрольной шкалы не светом, отраженным от объектов съемки, а светом, падающим на эти объекты. Дл  этого снабжают приставку молочной или матовой пластинкой, полусферой и т. п. оптическим элементом , расположенным перед контрольной шкалой.In the proposed attachment, this disadvantage can be eliminated by illuminating the control scale not by the light reflected from the subjects, but by the light falling on these objects. To do this, equip the attachment with a dairy or matte plate, a hemisphere, etc., with an optical element located in front of the control scale.

Съемка контрольной шкалы производитс  кинокамерой, повернутой на 180 и установленной в месте расположени  снимаемого объектаСъемка может быть также осуществлена малоформатной фотокамерой при условии использовани  такого же объектива, какой установлен в кинокамере, той же пленки и одновременного про влени  обеих пленок .The shooting of the reference scale is made by a movie camera rotated 180 and set at the location of the object to be photographed. The shooting can also be carried out with a small-format camera using the same lens as the movie camera, the same film and simultaneous display of both films.

Оптическа  насадка на объектив фото- или киносъемочной камеры дл  сенситометрического контрол  при цветных съемках по авт. св. № 75231, отличающа с  тем, что, с целью освещени  шкалы сне- ом п плющим на снимаемый объект, и том исключени  ас I: объе; та съемки на воспроизведение серой или цветной шкалы, она снабжена молочной или матовой пластинкой, полусферой и т. п. оптическим элементом, расположенным перед контрольной шкалой.Optical attachment on the lens of a photo or movie camera for sensitometric control during color photography according to the authors. St. No. 75231, characterized in that, in order to illuminate the scale with a flash, plyus on the object to be removed, and the exclusion volume of ac I: volume; This is a reproduction of a gray or color scale; it is provided with a dairy or matte plate, a hemisphere, etc., with an optical element located in front of the control scale.

Предмет изобретени Subject invention

SU552323A 1956-05-23 1956-05-23 Optical attachment on a photo or movie camera lens for sensitometric control in color photography SU117258A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU552323A SU117258A2 (en) 1956-05-23 1956-05-23 Optical attachment on a photo or movie camera lens for sensitometric control in color photography

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU552323A SU117258A2 (en) 1956-05-23 1956-05-23 Optical attachment on a photo or movie camera lens for sensitometric control in color photography

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
SU75231A Addition SU25278A1 (en) 1930-08-26 1930-08-26 Nivellirna rake

Publications (1)

Publication Number Publication Date
SU117258A2 true SU117258A2 (en) 1957-11-30

Family

ID=48406626

Family Applications (1)

Application Number Title Priority Date Filing Date
SU552323A SU117258A2 (en) 1956-05-23 1956-05-23 Optical attachment on a photo or movie camera lens for sensitometric control in color photography

Country Status (1)

Country Link
SU (1) SU117258A2 (en)

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