• Home
  • Why AgBr is used in black and white photography?

Why AgBr is used in black and white photography?

Asked: فوتوغرافي, Last Updated:

Answer:When silver bromide is exposed to light it undergoes photochemical decomposition. Thesilver ions present in silver bromide are reduced to silver metal which remains as an opaque image on the photographic film.

FAQ

  • Where was photography invented?

    The world's first photograph made in a camera was taken in 1826 by Joseph Nicéphore Niépce. The photograph was taken from the upstairs windows of Niépce's estate in the Burgundy region of France.

  • What does mediums mean in photography?

    Medium is the process you used to create the image. example: digital, film, paint, silkscreen etc.

  • What focal length is best for product photography?

    Physics aside, for product photography, you should choose a lens with a focal length of at least 50mm or preferably, a higher one. Lenses with a focal length smaller than 50mm can force you to deal with the wide-angle distortion.

  • What is framing the subject in photography?

    Framing in photography refers to the technique of drawing focus to the subject in the photo by blocking other parts of the image with something in the scene. Frames can be located in the center of the picture or alongside its edges.

  • What does landscape photography include?

    Landscape photography commonly involves daylight photography of natural features of land, sky and waters, at a distance—though some landscapes may involve subjects in a scenic setting nearby, even close-up, and sometimes at night.

17 Related Question Answers Found:

  • What is flash in macro photography?

    A ring flash is perfect for macro lighting. It works differently than studio lighting or a Speedlite because it fits around your lens. This allows the light to spread out evenly around your subject area. If you've ever used the built-in flash on a camera, you know how harsh the light can look in photographs.

  • How do I start my child in photography?

    10 Tips For Getting Kids Interested In Photography

    1. 1 Take your time. Don't feel like you need to jam everything about photography into your first session with a kid. ...
    2. Start with the familiar. ...
    3. Expose them to exposure. ...
    4. Write it out. ...
    5. Put down the camera. ...
    6. Give them a project. ...
    7. Make an edit. ...
    8. Teach them with film.

  • Is there truth in photography?

    What is truth in photography? Our initial reaction to photographic images often leans toward belief or trust that the picture tells a true, unbiased story. ... It was only through errors that occurred during photographic capture and in the darkroom, that we find the first manipulations and artistic renderings.

  • Can you do astrophotography without a star tracker?

    How does fixed tripod astrophotography work? Without tracking long exposure times will cause star trails. Without tracking, long exposure times will cause star trails to appear in an astronomical image. The star trails are shaped like tiny circle segments centered around the northern star.

  • Do you need a degree to start a photography business?

    While starting a photography business doesn't require a business degree, some skills and experience are important in this industry. Photography skills. A business owner doesn't necessarily need a degree in photography, but they need strong photography skills.

  • How do you thicken water for photography?

    Xanthan gum can be bought very cheaply form health food stores and will last you a long time because you only need a very small amount to thicken the water.. You want to start with around one pint of warm or hot water. Xanthan gum really does not like dissolving in water so using warm water helps it along.

  • Why was the use of photography important for African Americans?

    “For the African-American community, photography was particularly important, because when they were in control of the camera, they had a chance to shape their own image for themselves, for their community and for the outside world in a way they normally didn't have a chance to do in society,” she says.

  • Can you do a GCSE in photography?

    The GCSE Photography course requires the development of practical skills, both technical and aesthetic. Students are both practitioners and critics, developing the analytical skills and understanding of Photography in a range of contexts.

  • What is the use of GREY card in photography?

    In addition to providing a means for measuring exposure, a gray card provides a convenient reference for white balance, or color balance, allowing the camera to compensate for the illuminant color in a scene. Gray cards can be used for in-camera white balance or post-processing white balance.

  • Is Lightroom enough for photography?

    Lightroom covers the majority, if not all, of the image manipulation tools you'll most likely need. However, Lightroom is much more than a photo editor or image editing software.

  • Does photography improve mental health?

    Photography has a number of therapeutic benefits linked to our mental health, as it helps us showcase our creativity, allows us to detach from otherworld responsibilities and improves our mood. The Time to Change campaign looks to raise awareness over the representation of mental health images in the media.

  • How can we improve clarity in photography?

    Another way to add a degree of clarity to your photos is to increase the local contrast, with the best way being a Curves Adjustment Layer. You'll be surprised at how much clearer and more detailed things look after you increase local contrast in this way. This is another tool for making targeted adjustments.

  • What is the relationship between photography and social media?

    Social media photography is simply exchanging one marginalised audience for another. The benefit is that neither method must be exclusive; social media can draw more viewers to galleries and exhibitions, and those who can't go in person at least have the opportunity to view the work online.

  • What is sharpness in digital photography?

    Sharpness: Acutance + Resolution Sharpness is the level of the clarity of detail in a photo and is a valuable tool for emphasizing textures of subjects and subjects' details in an image. The sharpness of an image is described by two main factors: resolution and acutance.

  • Who were some of the photographers that pioneered the straight photography movement?

    Well known photographers, including Ansel Adams, Edward Weston, his son Brett Weston, Imogen Cunningham, Dody Weston Thompson and Berenice Abbott are considered innovators and practitioners of this style. This was a close knit community of friends and colleagues.

  • How much can you make from stock photography?

    You can earn between $0.30 and $99.50 per (royalty-free) sale by selling stock photos, but no less than $0.10. For selling stock photos under an extended license, you can earn up to $500.00 per sale. In summary, stock photos earn around $0.35 per image per month.

  • When did photography start in France?

    September 1851 In September 1851, he opened the first photographic printing firm in France, his Imprimerie Photographique in Lille, which, over the next four years, produced many thousands of prints published in more than two dozen portfolios and albums.

Contact