This serves as notes for myself, hence it is written in this format. You are welcome to share this with everyone.
Key elements in a camera body:
Sensor - Low light performance
Must perform in low light to allow the use of fast shutter speeds
This site shows a comparison on the performances of different models, categorized by brands for our convenience https://www.dxomark.com/Cameras/
Sensor - Dynamic range
Applies for photos shot in RAW.
Good dynamic range to retrieve details when boosting shadows and reducing highlights.
Sensor - Megapixels
Useful for cropping an image.
A high megapixel sensor will come at an expense to dynamic range and low light performance.
Sensor - Auto focus
Ability to choose a more accurate area to focus on (many focus points)
Auto-focus track
Ability to auto-focus in low light
Image stabilization
Image stabilization counters camera shake, allowing for lower shutter speeds when hand held
Frames per second
High
Customization
Ability to customize your camera body so that you can adjust each setting you need without taking your eye away from the viewfinder.
Crop factor
A crop sensor body has a crop factor which may be desirable for wildlife.
A full frame body allows more light in, provides for a shallower depth of field.
Durability
A well-build and weather sealing body to counter dust, wetness and temperature.
Key elements in a lens:
Aperture
F-stop is calculated by
F2/8 x 1.4 = f/4
f/4 x 1.4 = f/5.6
f/5.6 x 1.4 = f/8 etc.
Wide Aperture lens
Wide aperture (f/2.8) lens is known as a fast lens.
Costs more
Heavier and larger as compared to low apertures.
Isolate your subjects, making your shots clean
Distance (lens on a full frame body):
Naming
Canon crop-frame lenses are labelled as "EF-S" lenses
Canon's full frame "Pro" lenses are known as "L" lenses
Notes
Go with brands that have good long lenses that are sharp.
Lenses have an aperture that they will be sharp at.
Prime lenses tend to be sharper than zoom lenses
Converters
Allows you to increase your reach to the subject
Reduces the time it takes to auto-focus
Sources (information)
burrard lucas
Photo credit
sudhirshivaram
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