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US3179030A - Automatic diaphragm for photographic …
- https://patents.google.com/patent/US3179030A/en
- automatic diaphragm for photographic cameras filed june 28, 1962 inventorj, ATTORNEY-i United States Patent "ice 7 Claims. for. 95-64) This invention …
US3593629A - Photographic camera with automatic …
- https://patents.google.com/patent/US3593629A/en
- A photographic camera is provided with automatic light control settings for diaphragm and exposure time. One electronic circuit is provided for setting the …
US3988749A - Device for automatic diaphragm setting in …
- https://patents.google.com/patent/US3988749A/en
- The position of the diaphragm ring and the potentiometer is adjustable for film speed and for the selected shutter speed. An automatic diaphragm control for camera lenses having independent...
DSLR Photography: Your SLR Camera's Automatic Diaphragm
- https://dslrphotographyreview.blogspot.com/2011/12/your-slr-camera-automatic-diaphragm.html
- A fully automatic diaphragm is a delight to use, particularly in dim light or when the lens is stopped down to maximize depth of field. The term diaphragm is used to describe the system of blades that create the adjustable aperture. Many photographers use the terms aperture and diaphragm interchangeably.
What is a diaphragm in Photography - SAM YARI
- https://samyari.com/what-is-a-diaphragm-in-photography/
- A diaphragm in photography is one of the three basic principles in art photography and the other two principles are ISO and Shutter Speed By changing the shutter speed, the image will change much brighter. The diaphragm is one …
What Is A Diaphragm In Photography - Photography Pursuits
- https://www.photographypursuits.com/what-is-a-diaphragm-in-photography/
- What Is A Diaphragm In Photography. The diaphragm is the part of a camera lens which is made up of a series of metal blades which create a hole. The opening regulates the amount of light which reaches the image sensor. Commonly it is also known as an iris diaphragm due to its similarity to the human iris. The blades are arranged in a circular shape and they move to open …
Everything You Need To Know About Aperture Diaphragm …
- https://photographychef.com/everything-you-need-to-know-about-aperture-diaphragm-in-photography/
- That the maximum aperture of the diaphragm is f / 5.6 at its maximum focal length (50mm) That is, with this objective, we can open the aperture diaphragm to a maximum of f / 3.5 when we work in 18mm, and a maximum of f / 5.6 in 50mm. In fixed optics, the objective indicates only the maximum aperture and the fixed focal length: 50mm 1: 1.4.
Auto diaphragm | Photo.net Photography Forums
- https://www.photo.net/discuss/threads/auto-diaphragm.505588/
- Sanjay, lenses with automatic diaphragms are made for single lens reflex cameras. They allow focusing and composing at full aperture, stop down when the exposure is taken. Modern auto diaphragm lenses open back up after the exposure is taken. Older ones don't open after the exposure is taken, have to be recocked.
Automatic diaphragm (Photography) - Definition - Online …
- https://en.mimi.hu/photography/automatic_diaphragm.html
- There is no automatic diaphragm that snaps down to taking aperture; you have to open and close it manual ly to focus or to shoot. "AUTO" signifies automatic diaphragm. The suffix represents the type of lense: "S": Stand ard, "W"= Wide Angle and "T"= Telephoto. While another example:
Automatic and manual setting means for photographic diaphragms
- https://www.freepatentsonline.com/3911459.html
- A photographic diaphragm having a variable aperture selectively settable either manually or automatically, comprising means forming an aperture scale graduated numerically and having a non-numerical graduation beyond one end of the numerical graduations, automatic aperture setting means including a driving member and a pointer coupled to said driving member to …
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