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What does stretch mean in astrophotography?

Asked: animal | nature | travel, Last Updated:

Scaling your data What does it mean to stretch your image? Simply put, stretching means scaling your data. Last month I talked about how data from a 12- or 14-bit camera might be scaled to fill the 16-bits of data range available for manipulation by image-processing software. This scaling is linear.

FAQ

  • Is portrait a genre of photography?

    Portrait photography captures a portrait of a person or group of people. Portraiture is a challenging genre of photography because it needs to use lighting, backdrop, and posing to convey the personality of the subject in a single shot. Self-portraits and silhouettes, as well as headshots, also fall under this genre.

  • What are the three areas of critique for photography?

    Even writing a sentence or 2 covering just one of these categories can be tremendously helpful to both you and the photographer seeking feedback.

    • Critique the technicals. Exposure. ...
    • Critique the composition. Centered vs. ...
    • How does it make you feel?

  • How much does drone photography cost?

    Drone photography costs around $70 to $250 per hour. Or it can range from $150 to $350 per project. The final result would contain up to 15 high-resolution professional aerial images....Drone Photography Pricing – How Much Does It Cost?

    Average Hourly Rate:$160
    Minimum Hourly Rate:$70
    Maximum Hourly Rate:$250

  • What is everyday photography?

    Everyday photography is a non-genre in photography. ... You can photograph anything — your friends, family, food, street photography, or even random stuff you find on the ground. CREATIVE EVERYDAY Spread. The biggest thing we get suckered in photography: We think we have to travel to exotic places to make good photos.

  • What is brand photography?

    Personal branding photography refers to professional images that represent people, like entrepreneurs and small business owners that need help build their brand and earn money. The personal branding pictures you take fit your potential clients' visual identity through their use of tone, colors, props, style, and more.

  • Who came up with the basic principles of photography?

    Photography

    Lens and mounting of a large-format camera
    Other namesScience or art of creating durable images
    TypesRecording light or other electromagnetic radiation
    InventorLouis Daguerre (1839) Henry Fox Talbot (1839)
    RelatedStereoscopic, Full-spectrum, Light field, Electrophotography, Photograms, Scanner

19 Related Question Answers Found:

  • What is a dark flat frame in astrophotography?

    Dark flat frames are essentially dark frames. Only you will now need to match the exposure time, the ISO/gain value, and the temperature of your flat frames.

  • Who started World photography?

    Frenchman Louis Daguerre First celebrated in 1837, this day has its roots in the invention of Frenchman Louis Daguerre in association with Joseph Nicephore Niepce. They developed a photographic process called Daguerreotype. Two years later, the French Academy of Sciences acknowledged the invention, calling it 'a gift to the world'.

  • Are filters necessary for photography?

    Since digital photography is all about the quality and intensity of light, lens filters are often necessary to modify the light before it enters the lens. Many photographers think that some of the built-in tools in Lightroom and Photoshop can simulate filter behavior, making filters redundant in the digital age.

  • When was color photography invented?

    The foundation of all practical color processes, the three-color method was first suggested in an 1855 paper by Scottish physicist James Clerk Maxwell, with the first color photograph produced by Thomas Sutton for a Maxwell lecture in 1861.

  • What are the requirements for portrait photography?

    What Is a Portrait Photographer?

    Education RequiredHigh school diploma; postsecondary training is optional
    Key SkillsKeen observation, interpersonal skills, strong technical skills, business management
    Job Growth (2018-2028)-6% decline (for all photographers)*
    Average Salary (2018)$42,770 (for all photographers)*

  • What is the best camera for Human photography?

    Best Cameras For Portrait Photography

    • Nikon D780. ...
    • Canon 90D. ...
    • Nikon D7500. ...
    • Canon 5D Mark IV. ...
    • Nikon D500. ...
    • Canon 7D Mark II. ...
    • Nikon D3500. The D3500 is the best option if you are looking for an entry-level DSLR that is suitable for portraits. ...
    • Canon 4000D. This is the Canon equal to the D3500.

  • What is needed for night photography?

    10 Items You Need for Your Night Photography Kit

    • The Right Camera. It is perfectly obvious that you will need a camera for your night photography. ...
    • A Small Flashlight. ...
    • Spare Batteries. ...
    • Tripod. ...
    • Remote Shutter Release (or intervalometer) ...
    • Lens Hood. ...
    • Neutral Density Filters. ...
    • Fill Lighting.

  • Why are metals used in photography?

    The light sensitivity of the silver halides is key to the photographic process. Tiny crystals of all three of these compounds are used in making photographic film.

  • What is a portfolio for photography?

    What is a photography portfolio? A portfolio is a concise collection of your photos created to show people your best work. ... Whether you want to do weddings, portraits, commercial jobs, or to work for an environmental group to save a piece of the earth, a portfolio is the tool that shows a customer your capabilities.

  • How did photography portray war?

    Since early photographers were not able to create images of moving subjects, they recorded more sedentary aspects of war, such as fortifications, soldiers, and land before and after battle along with the re-creation of action scenes. Similar to battle photography, portrait images of soldiers were also often staged.

  • Why may people be present in landscape photography?

    It can convey mood, allow the viewer to understand the temperature or weather conditions, and even help to immerse them within the landscape, effectively making them feel as though they have visited Iceland themselves.

  • What should I say on my photography website?

    Explain how you will help them You need to show the person looking at your website that you can help them solve their problem. Let them know that you understand their problem and are the perfect person to help. This is where words may be more important than the photos you show.

  • What is the role of photography in entertainment?

    Photography plays a crucial role in how we immediately view something. Whether its an ad or promotion, a small blog post, or in today's top headlines of well known media outlets. The urgency for quality imagery is one step closer in helping create a world with no labels.

  • Is photography a good career for girls in India?

    To answer your question, yes photography career is very much suitable for girls. The only disadvantage many girls find is, it involves a lot of travelling. But if you are girl, who loves travelling and meeting new people, this job is right for you.

  • Which is better for photography Canon or Nikon?

    Generally, full frame has better low light performance than crop frame sensors, but Nikon generally is superior to Canon in that regard. Between these two cameras, those two factors end up splitting the difference and low light performance is very comparable.

  • Is photography considered entertainment industry?

    By its definition, entertainment is anything that provides enjoyment or amusement. Using that definition, even watching paint dry can be entertainment if you enjoy it. By the current social definition, though, it's difficult to consider photography as entertainment.

  • Do I need a tripod for portrait photography?

    It's a common misconception that tripods aren't necessary for portrait photography or that you only need one for taking scenic shots without people in them. But that couldn't be farther from the truth. A tripod is an absolutely essential piece of equipment for the portrait photographer.

  • What are some key aspects of portrait photography?

    Here are the 10 crucial elements you need to think about when doing portrait photography:

    • Lighting Pattern.
    • Lighting Ratio.
    • Quality of light.
    • Lens selection.
    • Background.
    • Exposure/metering.
    • Sharpness – getting it in focus.
    • How to position the subject (posing)

  • What type of reaction occurs in black and white photography?

    Decomposition reactions The reactions used in black and white photography are decomposition reactions.

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