A small lesson on Exposure Triangle

After I posted my previous blog, many friends and you my readers asked me what shutter speed, ISO, and aperture is and how we set the values for each, so here I am to tell you what each of those mean and just how important it is to set the values for each of them separately to get stunning pictures.

This is a quick reminder that these values can be adjusted based on the lighting, and you can experiment until you obtain the ideal results. The 'Manual mode' allows you to control both the shutter speed, ISO and aperture. DSLR cameras allow you to alter the values on the top LCD panel, the back screen, and through the viewfinder.


Shutter speed:

- Shutter speed refers to the speed at which a camera's shutter closes. Changing the shutter speed impacts both the exposure of an image and our capacity to freeze or blur motion.
-Long shutter speeds resulted in blurred photos, whereas shorter shutter speeds freeze the moment.
-The range goes from 30 to 4000.
- For example, a slow shutter speed of 1/2 means the shutter is open for half a second, but a quicker speed of 1/2000 means it is open for one-two thousandth of a second.

 

ISO:

-ISO stands for International Standardization Organization.

-It refers to an image's sensitivity to light, whether it is on film or on a digital sensor.
-It controls the brightness of an image.
-The range goes from 100 to 12800.
-Using low ISO levels, such as 300 or lower, often results in a higher-quality photo. Lower values are preferable when taking pictures outside on a sunny day. Landscape photography, for example, is perfectly suited to low ISO settings. They prevent photographs from seeming overexposed or washed out.

 

Aperture:

-The aperture is the opening in the lens that permits light to enter the camera and hit the sensor or the film. Changing the aperture settings allows you to modify the size of this opening.
-F-numbers are calculated by dividing the aperture diameter by the lens's focal length.
-For a less exposed image, the aperture value (f/stop) will be greater, and vice versa.

-Too much light washes out a shot, while too little results in an extremely dim image. Adjusting the size of your lens's aperture based on the surroundings will help you get the desired exposure. If you're photographing in low light, a bigger aperture will let in more light. If you're outside in bright light, a smaller aperture can help minimise the amount of light.

-Aperture affects the depth of field in your images, which is the distance between the closest and farthest objects in focus within a frame. A wide aperture produces a shallow depth of field, which blurs the backdrop to let the in-focus subject of the photo stand out.

-A smaller aperture provides a greater depth of field, allowing you to keep a bigger portion of the frame in focus — perfect for group images or amazing landscapes, as compared to shallow depth of field photos, which are great for portraits or food photography.

 

Now that we understand how these three work and what they do, you can experiment and explore. You don't need a DSLR to explore; instead, use the PRO mode on your phone to capture images, and don't forget to make use of these three to get the perfect shot.

 

 

 


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