Photography, Period 3: Week 1-quiz 1

Higher ISO settings can yield digital images with digital noise, which is the equivalent to film's grain. When the ISO is increased, the camera's sensor becomes more sensitive to light. This sensitivity can result in the amplification of the signal, leading to the appearance of random variations in brightness and color in the image. This noise can be seen as grain-like patterns and can reduce the overall image quality.

Larger apertures, such as f/2.8, generally yield an image with shallow depth of field. This means that only a small portion of the image will be in sharp focus, while the rest will be blurred. The narrow aperture also contributes to a shallow depth of field, as it allows less light to enter the camera, resulting in a smaller area of focus. Therefore, both terms, shallow and narrow, accurately describe the effect of larger apertures on the depth of field in an image.

When the aperture opening is smaller, less light is allowed to enter the camera. As a result, the camera needs to keep the shutter open for a longer duration to allow enough light to reach the image sensor. Therefore, the shutter speed should be slower when the aperture opening is smaller.

Shallow depth of field means that the main subject is in focus and the foreground or background or both will be out of focus. In photography, depth of field refers to the range of distance that appears acceptably sharp in an image. When a shallow depth of field is used, the main subject is emphasized and stands out from the blurred background, creating a visually appealing effect. This technique is commonly used in portrait photography to isolate the subject from distracting elements in the foreground or background.

In manual exposure mode, the photographer has full control over both the shutter speed and aperture settings. This allows them to adjust these settings based on their desired effect or the lighting conditions they are working with. Unlike other exposure modes such as automatic or semi-automatic, manual mode does not rely on the camera's built-in metering system to determine the exposure settings. Instead, the photographer takes full responsibility for selecting the appropriate combination of shutter speed and aperture to achieve the desired exposure for their photograph.

The larger the aperture opening is, the more light enters the camera, which means the sensor is exposed to more light. To prevent overexposure and maintain a balanced exposure, the shutter speed needs to be faster. A faster shutter speed allows the sensor to be exposed to light for a shorter duration, compensating for the increased amount of light entering the camera through the larger aperture opening.

The compositional elements being used in this photo are leading lines and balance. Leading lines are evident in the photo as they guide the viewer's eye towards a specific point of interest, creating a sense of depth and direction. The balance in the photo refers to the distribution of visual weight and elements within the frame, ensuring that the photo feels harmonious and well-structured. These two elements work together to create a visually appealing and engaging composition.

ISO is a standard measure of the digital camera sensor's light sensitivity. It indicates how the sensor responds to light and determines the camera's ability to capture images in low-light conditions or fast-moving subjects. A higher ISO value means increased sensitivity to light, allowing for brighter images in darker environments. Conversely, a lower ISO value reduces sensitivity, resulting in darker images but with less noise. By adjusting the ISO settings, photographers can control the exposure and overall quality of their images based on the available light conditions.

A DSLR (Digital Single Lens Reflex) camera is capable of accepting interchangeable lenses, ranging from wide-angle to extreme telephoto. This means that the user can switch between different lenses depending on the desired focal length and composition requirements. The ability to interchange lenses allows for greater versatility in capturing different types of shots, whether it be capturing a wide landscape or zooming in on distant subjects.

In shutter priority mode, the photographer has control over the shutter speed while the camera automatically adjusts the aperture. This mode is useful when capturing fast-moving subjects or when the photographer wants to control the motion blur in the image. By selecting a specific shutter speed, the photographer can freeze or blur the motion in the photo while the camera automatically adjusts the aperture to ensure proper exposure.

Aperture priority mode is the best choice when the photographer wants to have control over the depth of field, which determines how much of the image is in focus. In this mode, the photographer manually sets the aperture value while the camera automatically adjusts the other settings, such as shutter speed, to achieve proper exposure. By adjusting the aperture, the photographer can control the size of the lens opening and, consequently, the amount of light that enters the camera. This allows for creative control over the depth of field, allowing the photographer to selectively focus on a specific subject while blurring the background or maintaining sharp focus throughout the entire image.

The correct answer for this question is "birds eye view" or "bird's eye view." This compositional element refers to the perspective of the photo, where the subject is captured from a high angle as if seen from above, resembling the view of a bird flying overhead. This viewpoint provides a unique and often expansive view of the scene, giving a different perspective to the viewer.

The correct answer for this question is "centre of interest, off centre, depth of field". In photography, the compositional element of "centre of interest" refers to the main subject or focal point that captures the viewer's attention. "Off centre" means that the subject is not placed in the middle of the frame, but rather positioned towards one side, creating a more dynamic composition. "Depth of field" relates to the range of focus in an image, where certain areas are sharp and others are blurred, adding depth and visual interest to the photograph.

The given answer options are repetition, rhythm, and center of interest. These are all compositional elements used in art and design. Repetition refers to the repeated use of a specific element or motif, creating a sense of unity and pattern. Rhythm is the visual flow and movement created by the repetition of elements. Center of interest, also known as focal point, is the main point of focus in a composition that draws the viewer's attention.

To achieve an image that is neither too dark nor too light, the photographer must control the exposure, which refers to the amount of light that enters the camera when a photo is taken. By adjusting the exposure, the photographer can ensure that the image is properly exposed, with the right balance of light and darkness. This can be achieved by manipulating the camera settings such as aperture, shutter speed, and ISO, or by using additional tools like filters or flash.

Smaller apertures, such as f/16, tend to result in an image with a wide depth of field. This means that more of the scene, from the foreground to the background, will be in sharp focus. Additionally, smaller apertures also result in a larger depth of field, meaning that a greater distance from the camera will appear sharp.

The compositional element being used in this photo is a "Worm's Eye View." This means that the photo is taken from a very low angle, as if the viewer is looking up at the subject from the ground. This perspective can create a sense of grandeur or dominance in the subject, as well as provide a unique and interesting viewpoint.

The compositional element being used in this photo is both the center of interest and balance. The center of interest refers to the main focal point of the image, drawing the viewer's attention. In this photo, there is likely a specific subject or object that stands out and captures the viewer's eye. Additionally, balance refers to the distribution of visual weight in the photo. It ensures that the elements in the image are evenly distributed and create a sense of harmony. This could be achieved through symmetrical or asymmetrical balance, depending on the composition of the photo.

ISO 100 is the appropriate ISO setting for photos taken outside in strong light because ISO 100 is the lowest sensitivity setting, meaning it captures the least amount of light. In strong light conditions, there is already an abundance of light available, so using a higher ISO setting would result in overexposed photos. By using ISO 100, the camera will capture the optimal amount of light and produce well-exposed photos without any loss of detail or excessive noise.

Great depth of field refers to a photography technique where the entire photo, from the foreground to the background, appears sharp and in focus. This is achieved by using a small aperture setting, which increases the depth of field and allows more of the scene to be in focus. In contrast, a shallow depth of field would result in only a small portion of the image being in focus, while the rest appears blurry. Therefore, the correct answer is "in focus."

For nighttime field sports without flash, an appropriate ISO setting would be ISO 1600-3200. This is because nighttime conditions usually have low light levels, and a higher ISO setting allows the camera sensor to be more sensitive to light. ISO 1600-3200 provides a good balance between capturing enough light to properly expose the image and minimizing noise in the final photo. Using a lower ISO setting like 100 or 200 would result in underexposed images, while ISO 400 may still not be sufficient for capturing enough light in low-light conditions.

ISO 800 is the appropriate ISO setting for photos with flash in the classroom or around the school. This is because ISO 800 is a medium-high ISO sensitivity that allows for a good balance between capturing enough light and minimizing noise in the image. It is a versatile setting that works well in low-light situations, such as indoor environments, where the flash is needed to illuminate the subject. ISO 100 would be too low and may result in underexposed images, while ISO 1600 and ISO 3200 (or H) would be too high and may introduce excessive noise in the image.

When the lens is moved closer to the subject, the depth of field will be wider. This means that more of the scene will be in focus, both in front of and behind the subject.

The given answer, "shutter speed," is incorrect. The question is asking for the term that indicates the fraction of the lens opening in relation to the focal length, which is known as the "f stop." Shutter speed, on the other hand, refers to the length of time that the camera's shutter is open to expose the image sensor to light.