Search lessons
30 lessons found for "ISO"
- Exposure and meteringISO: Sensitivity, Noise and Image Quality What is ISO? ISO is the camera setting that controls how much the image is brightened after the light has been recorded. A low ISO number, like ISO 100, means little brightening. A…
- Exposure and meteringExposure Triangle: Balancing Aperture, Shutter Speed and ISO …triangle is a simple way of showing that aperture, shutter speed and ISO all affect how bright a photo is, and that changing one means you usually need to change another to keep t…
- Sensors and RAWHigh-ISO Performance and Digital Noise …a key idea from camera sensors and digital image capture. Light, not ISO, is the main cause When you raise ISO in a dark scene, you usually also use a faster shutter speed or smal…
- Advanced compositionSubject Isolation and Visual Emphasis What is subject isolation? Subject isolation means making the main subject clearly distinct from everything around it, so it reads instantly. It is the practical side of figure-gro…
- Exposure and meteringUnderstanding Exposure and the Three Exposure Controls …and shutter speed decide how much light actually reaches the sensor. ISO works a little differently: it does not let in more light, it brightens what the sensor has already record…
- Exposure and meteringExposing Log and HDR Video …her the final delivery will be SDR, HDR or both. Use the camera's log ISO range: many cameras set a higher minimum ISO when log is on, because that is where the sensor gives its wi…
- Sensors and RAWDynamic Range and Highlight/Shadow Information …ise becomes unacceptable for your purpose. Why dynamic range falls as ISO rises At base ISO, the sensor's full capacity matches the top of the recording range, so you get the most…
- Long exposure and nightLow-Light Exposure Strategy …e in low-light and night photography and the noise principles in high-ISO performance and digital noise. Setting floors and ceilings Many cameras let you set a minimum shutter spee…
- Long exposure and nightLow-Light and Night Video …ng photo exposure. The camera therefore needs a wide aperture, higher ISO or more light. Why low light is harder in video You can slow the shutter to 1/25 s at 25 fps for some extr…
- Projects and critiqueTesting Lenses, Lighting and Techniques …ted equipment before important jobs, keep notes of best apertures and ISO limits, compare modifiers in their studio and recheck after repairs. They use test results to work confide…
- Exposure and meteringReducing Noise and Protecting Image Quality …fine detail look less clear. What is digital noise? As you learned in ISO, noise mostly appears when the sensor collects too little light. The real picture information is then weak…
- CompositionColor, Contrast and Visual Emphasis …ubject. Advanced emphasis and visual hierarchy are covered in subject isolation and visual emphasis. Give the subject the strongest color or the only strong color in the frame. Rem…
- Sensors and RAWFull-Frame, APS-C, Micro Four Thirds and Other Sensor Formats …rea matters roughly like one stop of light. Noise is covered in high-ISO performance and digital noise. What sensor size changes Sensor size does not change exposure. The same f-nu…
- Photography foundationsVideo Mode and Basic Video Settings …shutter speed is fixed, you control brightness with the aperture, the ISO, or a neutral-density (ND) filter, which works like sunglasses for your lens. ND filters are explained in…
- Exposure and meteringReal-World Exposure Decision Making …ting the shutter speed you need and the widest aperture you have, the ISO would have to go higher than you accept. Then the answer is not a setting. It is to change the situation:…
- Types of photographyLow-Light and Night Photography …re without blur from slow shutter speeds or excessive noise from high ISO, the balance from exposure triangle. Handheld low-light starting points Remember from high-ISO performance…
- Color gradingSkin Tones in Video …manipulation and image integrity. How colorists treat skin Colorists isolate and protect skin in almost every grade, so creative looks never make people look ill or unreal. They r…
- Photography foundationsViewfinder, Live View, Playback and Camera Information Displays …s table. Reading the shooting information Shutter speed, aperture and ISO will be explained fully in understanding exposure. For now, just learn where they appear on your camera. R…
- Photography foundationsPhotography and Videography: Still and Moving Images …me, as in understanding light. Exposure: aperture, shutter speed and ISO still control brightness, as in understanding exposure and the three exposure controls. Focus and depth of…
- Exposure and meteringAperture: F-Numbers, Light and Depth of Field …, a wider aperture helps you avoid slow shutter speeds or very high ISO. Set the other controls. Adjust shutter speed and ISO to get the brightness right. Mixing up big and small:…
- Exposure and meteringShutter Speed: Exposure, Timing, Freezing and Blur …sually keep the shutter speed they need for the subject and raise the ISO, because a slightly grainy sharp photo is better than a clean blurred one. Fast shutter speed: the shutter…
- Exposure and meteringExposure Modes: Auto, Program, Aperture Priority, Shutter Priority and Manual …exposure mode? In every mode except full Auto, you can usually choose ISO yourself or set it to Auto ISO. Auto mode The camera makes all the exposure decisions. It is useful when y…
- Exposure and meteringExposure Compensation and Practical Brightness Control …spoil your next indoor photos. Using it in full Manual with fixed ISO: it does nothing there; change the settings directly. Going the wrong way: dark photo in snow? Add plus, not m…
- Exposure and meteringHighlights, Shadows, Clipping and Dynamic Range …-lens cameras can usually record roughly 12 to 15 stops at their base ISO, according to independent sensor tests. Your eyes seem to handle much more, because they keep adjusting as…
- Exposure and meteringExposure for Video: Shutter Angle and the 180-Degree Rule …you want. Add an ND filter if the image is still too bright. Set ISO to fine-tune brightness, keeping it as low as the light allows. Check exposure with zebras or a waveform, as i…
- Focus and depth of fieldShallow and Deep Depth of Field …s light, so you may need a slower shutter speed, a tripod or a higher ISO. And very small apertures, like f/22, can soften the whole image slightly because of diffraction, as menti…
- Focus and depth of fieldSharpness from Capture: Stability, Shutter Speed and Technique …h each lens because they have tested it. When light falls, they raise ISO rather than drop below that limit, and when the scene is still, they use a tripod and a timer without a se…
- Lenses and filtersPrime and Zoom Lenses …ght it hardly matters; indoors it can push the camera to a higher ISO or a slower shutter speed. Why primes can be good teachers Many photography teachers suggest that beginners sp…
- Lenses and filtersPolarizing Filters …he filter and rotation. You may need a slower shutter speed or higher ISO, as explained in the exposure triangle. Uneven skies with wide lenses: a wide lens covers a large arc of s…
- CompositionBreaking Composition Rules Deliberately …ne. A fine-art photographer may push a subject to the edge to express isolation. In each case they know the effect they want, push the choice boldly, and keep the rest of the craft…