A light meter reports that a camera setting of 508 at f/8.0 will give a correct exposure. But the photographer wishes to use f/11 to increase the depth of field. Y Part A What should the shutter speed be? Express your answer using two significant figures and include the appropriate units. t= μA 1 264.46 S ?
Ray Optics
Optics is the study of light in the field of physics. It refers to the study and properties of light. Optical phenomena can be classified into three categories: ray optics, wave optics, and quantum optics. Geometrical optics, also known as ray optics, is an optics model that explains light propagation using rays. In an optical device, a ray is a direction along which light energy is transmitted from one point to another. Geometric optics assumes that waves (rays) move in straight lines before they reach a surface. When a ray collides with a surface, it can bounce back (reflect) or bend (refract), but it continues in a straight line. The laws of reflection and refraction are the fundamental laws of geometrical optics. Light is an electromagnetic wave with a wavelength that falls within the visible spectrum.
Converging Lens
Converging lens, also known as a convex lens, is thinner at the upper and lower edges and thicker at the center. The edges are curved outwards. This lens can converge a beam of parallel rays of light that is coming from outside and focus it on a point on the other side of the lens.
Plano-Convex Lens
To understand the topic well we will first break down the name of the topic, ‘Plano Convex lens’ into three separate words and look at them individually.
Lateral Magnification
In very simple terms, the same object can be viewed in enlarged versions of itself, which we call magnification. To rephrase, magnification is the ability to enlarge the image of an object without physically altering its dimensions and structure. This process is mainly done to get an even more detailed view of the object by scaling up the image. A lot of daily life examples for this can be the use of magnifying glasses, projectors, and microscopes in laboratories. This plays a vital role in the fields of research and development and to some extent even our daily lives; our daily activity of magnifying images and texts on our mobile screen for a better look is nothing other than magnification.
![### Understanding Camera Exposure Settings
A light meter indicates that a camera setting of \( \frac{1}{500} \) seconds at an aperture of \( f/8.0 \) will result in a correct exposure. The photographer, however, prefers to use \( f/11 \) to increase the depth of field.
#### Calculating the Correct Shutter Speed
**Question:** What should the shutter speed be?
**Instructions:** Express your answer using two significant figures and include the appropriate units.
The current calculation entered is:
\[ t = \frac{1}{264.46} \, \text{s} \]
The note advises: "The value should be entered as a single number or in scientific notation."
**Feedback:** No credit lost for trying again.
### Explanation:
To maintain the same exposure when changing the aperture from \( f/8 \) to \( f/11 \), adjust the shutter speed accordingly. A smaller aperture (larger f-number) lets in less light, so the shutter speed needs to be slower to allow more light to hit the sensor or film.
### Tips for Calculations:
1. **Understand the Exposure Triangle:** Adjusting aperture, shutter speed, and ISO can affect exposure.
2. **Calculate Exposure Equivalence:** When changing one setting, adjust others to compensate.
3. **Use Aperture Stops:** Moving from \( f/8 \) to \( f/11 \) represents a one-stop decrease in light. Double the shutter speed duration to compensate.
### Additional Resources:
- Explore more about the exposure triangle and how these settings interact.
- Practice calculating equivalent exposures by adjusting aperture and shutter speed.
This information, paired with hands-on practice, can enhance your understanding of photography exposure settings.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc2bfb154-6516-44b8-a74c-6088eccd0097%2Fc800cc86-e2bc-408f-a66a-7975e667ea93%2Fy95pm5k_processed.jpeg&w=3840&q=75)
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