- The meaning of BSLR: “Digital Single Lens Reflex”
- Prime lens are used for only focal length
- Zoom lenses are used for variable focal lengths
- Basic Kit lenses aren’t too expensive.
- If buying a camera, make sure it comes with a lens
- A 70mm would be far way, 135mm would be in the middle, and 300 would be close to an object
- Best to take a portrait with a 200mm
- High ISO value means the sensor will be more sensitive to light
- More light = lower ISO
- Less light = higher ISO
- Use a lower ISO to avoid grain
- smaller number actually represents a larger opening
- “fast” lens has bigger maximum aperture
- larger aperture, shallower depth of field
- longer lenses look to have a shallower depth of field because they are widening the subject
- Most cameras have daylight, cloudy, flash, various
indoor lights
- DSLRs are different from consumer
- Mirror system inside lets you preview through the viewfinder the same image
- 17mm is for Architecture, Landscape
- 50mm is for Street, Documentary
- 100mm is for Portraiture
- 200mm and 300 is for Sports, birds, and wildlife
- many people use telephoto lenses when shooting distant landscapes to compress perspective.
- AF (autofocus) vs. MF (manual focus)
- International Organization for Standards – number that describes film’s sensitivity to light.