dacc basic photography film, filters and digital – week 3
TRANSCRIPT
DACC Basic Photography
Film, filters and digital – Week 3
Filters for Black and White Film Filters in B & W
darken opposite colors Filters in B & W
lighten complimentary colors
Filters have a filter factor number to adjust the exposure
Filters and Filter Factors Filter Factor exposure
increase similar to stop settings
Yellow filter (K12) – filter factor of 2, increase exposure 1 stop
#15 Orange ff-4 - +2 stops #25 red ff-8 +3 stops Green #58 ff-6 - +2.5 stops
Filter Effects
Filter Effects
Real World Examples – Yellow Filter
Real World Examples – Red Filter
Filters for Color Filter factor usually less
important - -use the ttl meter
Filters for color correction, special effects and reduce reflection
Digital – Camera has built in “White Balances”
Most important filter – the UV filter
Polarizing Filter Generally has a
filter factor of 12 = 3.5 stops
Reduces reflection Adds saturation to
color Also used in B & W
Polarizing Filter – Different planes
Color Correction – FLD Filter or Florescent White Balance
Color Correction for Tungsten - 80A filter
Late or early light & shadows - #85 filteror Shade White Balance
Close-Up Filters Usually comes in +1,
+2 and +4 magnification
Can be “stacked” for greater magnification
No Exposure compensation needed
Not as Sharp as an true Macro lens
Filters for Special Effects Star Filters Graduated
filters Prism Filters Matte Boxes
Film Different Film
Speeds Different Color
Balances – Daylight, Tungsten – Type L
Digital Utilizes “White Balance”
Films Available Color Negative C4-1
Process Fuji, Kodak, Agfa Films available from
100 to 1600 ASA E-6 Slide Films 50 to 800 ASA Slide film processing
Black & White Films Kodak and Ilford Films available from
50 ASA to 3200 ASA Black & White
Processing
Higher speed – more grain
Film Size Traditional
- 110
- 126
- 35mm
- 120
- 4x5
- 8x10
Digital
- MEGAPIXELS
- The more the better!
Digital Auto Settings
Advanced Modes P – Program Mode
Tv – Shutter Speed Priority
Av – Aperture Priority
M – Both Shutter and Aperture set manually
A-DEP – An aperture priority where camera sets f-stop according to the subject
White Balance Setting Available
And then there’s times when you might want to leave the white balance at daylight…
Shooting RAW Format PROS RAW Format allows to
make color corrections in post processing.
RAW Format allows to make incredible corrections to highlights and shadow areas.
CONS Photos will be huge file
sizes – at least 4 times larger.
Need to have RAW converter program
Can be very time consuming