photography
Sharpest Aperture
- 1 to 1 -1/2 stops down from wide open.
Fixing keystoning
- point lens further down - back up - use a longer lens - get higher - use a tilt-shift perspective lens
Disadvantage of Viewfinder
-*Parallax* - The lens sees something a little different than the viewfinder does.
Viewfinder
-Basic point-and-shoot cameras (pre-digital) -The viewfinder is above the lens
ISO 50 is ____ stop(s) slower than ISO 100
1
2 things to think about in each photograph
1) How well the image *tells the story* 2) How much is *left out just in composition* and *lens choice*
2 Characteristics of Lenses
1) Lens *Focal Length* 2) Lens *Speed*
Rules of Composition
1) Pathways 2) Rule of thirds 3) framing
Exposure 4 components
1) Shutter Speed 2) Aperture 2) ISO 3) Metering
types of lenses
1) Telephoto Lenses 2) Wide-angle Lenses
SLR 3 main functions
1) View the scene 2) Focus the scene 3) Expose (correctly) the camera is just a tool that we use to achieve some sort of visual.
5 Basic Components of SLR Camera
1) Viewfinder 2) Lens 3) Aperture (inside the lens) 4) Shutter 5) Sensor (in place of film)
Exposure Equivalencies
1/1000 - 2 1/500 - 2.8 1/250 - 4 1/125 - 5.6 1/60 - 8 1/30 - 11 1/15 - 16 1/8 - 22 1/4 - 32 1/2 - 45 1 - 64
ISO 200 1/ ___ f/5.6
1/125
________ of a second is a good *starting* point for *moving* objects
1/60
Middle Gray or _____% gray
18%
Composition is based on rules set by painters in the ____ century
18th
Color digital photographs have ______ different histograms
3
SLR
Displays the scene directly through the lends
Necessary shutter speeds for achieving either *stop action* or *pan* images is relative too ______
Distance
Wide Angle Lenses -Objects *up close* look *larger* than those in the background -Could be a good thing or a bad thing
Distortion
the span of tones that a digital camera can capture
Dynamic Range
achieved with wide angle lenses -View more of the scene -Objects in foreground seem magnified and further away from objects in the background
Expanded Perspective
A combination of the intensity of light and the time that light is allowed to expose the medium
Exposure
Intensity (aperture) X Time (Shutter Speed) =
Exposure
Set of shutter speed and aperture combinations that render the same exposure
Exposure equivalencies
Lenses main function
To project sharp images
_____ Lenses provide nearly 180 degrees angle of view
Fisheye lenses
- Mostly included with modern incident meters - Measure light emitted from artificial light sources used for photography
Flash Meter
______ length of the lens guides how fast (shutter speed) you should shoot.
Focal
Curtains that form an open slit that moves across film or sensor as exposure occurs
Focal Plane
________ _______ is measured from an *optical* point in the lens to the film or sensor in the camera body
Focal length
-The eye is attracted to what is *sharp* in a photograph. -Objects *not in focus* can be a *distraction* if not used or composed appropriately. -*Manual SLR *operation *helps* you control this issue.
Focus
Helps direct a viewer's eyes to the point of *primary interest* in a photgraph
Framing
Measures the actual light falling on a subject Pointed toward the camera to allow light to fall on the meter Handheld Angle of view: 180 degrees Never fooled by shadows or highlights on subject
Incident Light Meter
Exposure =
Intensity x Time
SLR Advantage
Interchangeable lenses
Single Area AF or AF-S
Nikon
That which is closest to what we view with our own eyes: 50mm lens
Normal Focal Length
is closest to the eye's view
Normal focal length
focuses once and maintains that plane of focus.
One Shot AF (Canon) or Single Area AF or AF-S (Nikon) -
- Following the motion of object. - Shutter speed is based on judgment of speed - usually sower than stop-action. - Move along with the subject. - Don't stop once the shutter snaps - follow through. - Imply extreme movement.
Pan Shot
Primary interest points, secondary, tertiary, etc.
Pathways
Walking the viewer through the frame with story-telling subject matter
Pathways
the apparent size and shape of objects and the impression of depth of field.
Perspective
the distance at which the lens is focused.
Plane of Critical Focus (Focal Plane)
_____ Lenses situated at one focal length.
Prime lenses
-Measure *luminance*- the light reflected from (or emitted by) a subject -Angle of view is about 30 degrees -Most often found inside an SLR camera - Can also be found in a hand-held version
Reflected-light Meters
The field of vision is divided into three parts, horizontally and vertically, and the image is placed at the intersection of any two lines. Balance can be symmetrical, asymmetrical, and radical.
Rule of thirds
Larger the Aperture the _____ the depth of field
Shallower
Incremental speeds in which light is allowed inside.
Shutter
Mechanism that determines the time medium (sensor/film) is exposed to incoming light.
Shutter
Slower than stop action
Shutter Speed
Speed at which the shutter speed is set is relative to what the subject is
Shutter Speed
Time
Shutter Speed
Work together to create a proper exposure - like a "see-saw"
Shutter Speed and Aperture
Motion / Shake Blur 1/1000 ____ Light 1/60 ____ light
Shutter Speed; less; more
Controls how long the shutter is open and how much light reaches the sensor
Shutter speed, light and motion
SLR
Single Lens Reflex
-More elements are in focus -Good for buildings, landscapes, seascapes -The main subject may be lost in the background if not framed properly.
Smaller Aperture; deeper depth of field
- Operate much like a reflected light meter - Take a reading from a very small angle of view (as low as 0.5 degrees) - Provide precise readings of certain areas - Can operate from long distances (a person's face at 20 feet)
Spot Meter
Large Aperture; fast shutter speeed
Stop Action
Less movement than panning
Stop Action
the relationship one aperture (or shutter speed) value has to another in accordance to how much light (or time) is allowed to expose the film or sensor.
Stops
Using something else to meter on when you can't get close enough to the actual subject you are shooting ex. Gray Card, palm of hand
Substitute Metering
*Long Focal* Lengths (105mm to 600mm) -Narrow angle of view -Magnification is increased -Very *little* depth of field -Minimizes *unimportant material* from a photograph -Useful for portraits
Telephoto Focal Lengths
- Less depth of field - More *compression* of image - Longer focal length, *less light*
Telephoto Lens
-*Long Focal Lengths* (105mm to 600mm) -*Narrow* angle of view -Magnification is increased+ -Very *little* depth of field -Minimizes *unimportant material* from a photograph -Useful for *portraits*
Telephoto Lenses
Require faster shutter speeds to sustain sharp images - 200mm lens @ 1/250+ of a second - 400mm lens @ 1/500+ of a second
Telephoto Lenses
colors that exhibit less visual intensity when paired
affinity
When *shutter speed* is adjusted, ______ must be adjusted to *compensate* for *metering equivalencies*.
aperture
Meters are manufactured to give *exposure* settings for those scenes with ________ ________
average tones
internal, physical response to an image
balance
intellectual (color) - most finicky
blue
positive: stability, trust, loyalty negative: conventional, boring, cold
blue
Interpretive feature of the visual
color
______ Can help the general separation of more than 1 subject
colors
instrumental - purpose to distinguish content in a frame through *tonal separation*
contrast
colors that reflect greater visual intensity when paired
contrasting
*Colors* can help separate *subjects from backgrounds* just as *plain backgrounds* can place focus *on the subject* by being *less distractive*
contrasting colors
*keystoning* the structure curves in due to _______ of the glass in a wider lens
curvature
An _______ from a *light meter* provides you/guides you to a combination of *shutter speed* and *aperture*.
exposure
- tones of relatively *equal parts*; low, bright, middle - moderate contrast
full contrast
balance (color)) - conjures dualistic perceptions (both positive and negative)
green
positive: natural, energetic, wealth negative: envy, sickness, inexpereince
green
The camera's meter is not always fool-proof; acts as a ______ _____
guide line
physical (color) - advancing color - spatially limiting - visually aggressive
red
positive: action, strength, passion negative: aggression,danger, financial loss
red
emotional (color) - aggressive color - hard on eyes - visually confusing
yellow
positive: optimistic, warm, eye-catching negative: cowardice, warning, toxicity
yellow
Inensity
Aperture
16 mm
wide angle
35mm-25mm
wide angle
gives wider angle view
wide angle
keystoning usually occurs with ______ lenses
wide angle
Mechanism that determines how much light is let in to expose film or sensor.
Aperture
The mechanism that controls the depth of field a photograph has is called the:
Aperture
- *starts out* in *One Shot* mode, then if *movement* is detected, the mode switches to *AF Servo*. -Introduced by *Nikon*, used mainly in *video* applications, but can be used in still photography
AF Focus
What makes an exposure?
An exposure from a light meter provides you/guides you to a combination of shutter speed and aperture.
Determines the *depth of field* in a photograph
Aperture
Depth of Field f/22 ___ light f/ 2.8 ___ light
Aperture; less; more
How _____ _____ works: Contrast in light and movement
Auto Focus
A good mix of highlights, medium tones, and dark tones
Average tones
Ability to piece together elements of a strong composition in one photograph
Balance
-Metering a scene, and taking several shots at varying levels of exposure. - Used when you are unsure about the proper exposure
Bracketing
Must Compensate for 1) Back lighting 2) Faster shutter speed 3) Depth of field
Camera Meter
One Shot AF
Canon
Visceral and intellectual
Color
- Measure the color of ambient light - Identified in degrees Kelvin - Expensive meters, not for exposure
Color Temperature Meter
Decide on what you want *emphasized* in the photograph
Composition
achieved with telephoto lenses -Brings objects in the *foreground* and *background* seemingly together
Compression Perspective
constantly refocusing due to movement; it tracks movement: -Used to track moving subjects - Predicts where subject will be and places a predicted focus point
Continuous/AF-C (Nikon) or AL Servo (Canon)
To achieve the *greatest compression perspective*, what lens would you use? A. 17-35mm f/2.8 B. 24-70mm f/2.8 C. 50mm f/1.2 D. 300mm f/4
D) 300 mm f/4
-This mode will "lock" onto a subject - Camera may not fire the shutter if focus is not properly obtained
DSLR Auto-focus Modes
Smaller the Aperture the ______ the depth of field
Deeper
The amount of the scene that appears acceptably sharp in a photograph.
Depth of Field
The *more light* that is collected, the *higher* the *numerical level* recorded at each point on the array
Digital Sensor
1) Aperture size (small v. large) 2)Lens Focal Length 3) Distance of Lens to Subject 4) - On any given lens, the closer you are to the subject, the less depth of field you will inherently have -The further you are away from a subject, the more depth of field you will have
Factors affecting Depth of Field
can be used to *substitute* meter scenes
Gray Card
Shows the brightness values of all the pixels in an image
Histogram
can divide a picture into two areas of equal and competing interest
Horizon Line
-Divide Viewfinder into 1/3 (thirds) _______ & ________ - Place subject where the lines *intersect*
Horizontally & Vertically
- A reflected light meter expects the scene to be of average tone (average out to middle gray) - Reflected light meters may not work properly in high contrast areas
How to Meter
-Using the lens in order to obtain the most depth of field possible -Wider lenses are more useful for _____ ______ application
Hyper Focal Lenses
Films and sensors can collect light at different rates -Range from lower than 50 and sometimes higher than 3200 - Digital can go higher (as high as 204,800)
ISO Speeds
Grain 6400 ___ light 100 ___ light
ISO; more; less
Underexposure (metering)
If you meter in a bright part of the scene, you will *underexpose* the image.
Overexposure (metering)
If you meter in a dark part of the scene, you will *overexpose* the image.
Photographic effect that is a derivative of lens *use* and *perspective*
Keystoning
-Only the main subject is in sharp focus -Pulls the viewer's eye to one area in the photo - More emphasis on one area
Larger Aperture; Shallower depth of field
Refers to how much of an image (scene) is projected in the frame. Angle of View Magnification
Lens Focal Length
Refers to maximum aperture
Lens speed
____ are one of the most *powerful* tools a photographer uses in *story telling*.
Lenses
A device that is used to measure the *amount of light*, and then, for a given ISO, *calculate* the *f-stop* and *shutter speed combinations* that will produce a correct exposure for a scene that has an *average distribution* of *light* and *dark tones*
Light Meter
the light reflected from (or emitted by) a subject
Luminance
_____ Lenses offer closer focusing capabilities
Macro lenses
Color neutral and reflects 18% of the light that falls on it.
Middle Gray
The meter will reproduce the average tone as ______ _____
Middle Gray
- The *slowest* shutter speed one can shoot without employing a tripod - *Complimentary* to the *focal length* of the lens
Minimum Sustaining Shutter Speed
More Closed, Smaller Apertures= _____ depth of field
More
Slow shutter speeds can be effective at showing ______ in otherwise static objects or subject matter
Motion
Morning and Evening
Warmest Natural light
-More *depth of field* - Less compression - Must be careful about *distortion* and *keystoning* - Shorter focal length allows *more light*
Wide Angle
Opposite of Telephoto - Wider angle of view -More depth of field -Captures more of what is happening -Can exaggerate perspective and feelings portrayed in photographs
Wide Angle Focal Lengths
-Opposite of Telephoto -*Wider* angle of view -*More* depth of field + -*Slower shutter speeds* can be used to sustain *sharp images*
Wide Angle Lens
The smaller and farther away the light source is in relation to the subject, it: A. Will create hard-edged shadows B. Will create soft-edged shadows C. Will light only one part of the subject D. Will create very diffused light, eliminating shadows completely in an unobstructed environment
a) create hard-edged shadows
view more of the scene; objects in foreground seem magnified, backgrounds seems more distant
expanded perspective
A combination of 1) Shutter Speed 2) Aperture 3) ISO 4)Metering makes an...
exposure
What is dynamic range? A. The range of brightness a sensor can capture before losing detail in light extremes B. The distance at which the lens can be focused, closest focusing point to infinity C. A technical term regarding to how many photographs you are able to take on a CF card D. None of the above
d. none of the above - the span of tones that a digital camera can capture - Software can be used to increase the dynamic range by combining bracketed exposures -A different term is used to refer to this in film.
*HISTOGRAM*: Values to the *left* represent _____tones Values to the *right* represent ____ tones
darker; lighter
A great deal of _____ consideration goes in to working at each and every focal length.
ethics
Apertures that are *"more closed,"* or *smaller*, provide *more* depth of field
f/16, f/22, f/32
Which is faster? f/2.8 or f/4 lens?
f/2.8
Apertures that are *"more open,"* or *larger* provide* less* depth of field
f/2.8, f/4.5, f/8
1/250 f/___
f/4
1/125 f/___
f/5.6
ISO 100 1/ 60 f/ ___
f/5.6
When would f/4 be sharpest?
f/5.6
A person *running* requires a _____ shutter speed than a person *walking* down the street
faster
The closer you are to the moving subject the _____ you should shoot
faster
Majority of tones are both *bright and low*, with very few tones in between
high contrast
Majority of *brighter values*
high key contrast
Vertical lines converge when a lens is tilted upward
keystoningcolors that exhibit less visual intensity when paired
Depth of Field: The *closer* you are to the subject the _____ depth of field you will inherently have
less
More Open, Larger Apertures = _____ depth of field
less
f 11= ____ light
less
Faster Shutter speed =
less light, stop motion
Exposure equivalencies: --These numbers are *not* always set, they *differ* depending on the amount of _____ in a scene/environment -they will A:WAYS *differ* in the ____ intervals
light ; same
_____ and ______ environment determine how shutter speed and aperture are used together.
light and shooting
________ focal lengths often necessitate the use of a tripod for stabilization.
longer
most tones are of a *medium* value; *middle gray*
low contrast
Majority of lower *light/ tone values*
low key contrast
The slowest shutter speed one can shoot without using a tripod
minimum sustaining shutter speed
Depth of Field: The *further* you are away from a subject, the ____ depth of field you will have
more
f 2.8 = ____ light
more
Slower shutter speed =
more light, blurred motion
Multiple shots =
multiple perspectives
50 mm
normal focal length
positive: vibrant, creative, healthy negative: frivolous, cautionary, overbearing
orange
stimulating (color) - most postive
orange
Following the motion of an object with the camera -moves along with the subject - don't stop once the shutter snaps- follow through - imply extreme movement
panning
positive: luxurious, mysterious, unique negative: unnatural, egotistical, impractical
purple
Defines how we ¨feel"light and hence, color
resonance
Allows light to expose on the medium for a determined duration of time
shutter speed
The further away you are from a moving subject the ______ you should shoot
slower
Shutter speed is determined by the _____ of the subject
speed
Shooting an object fast enough to ¨stop the motion¨ of the subject
stop action
ISOs are *differentiated* using ____
stops
200 mm
telephoto
105mm-600mm
telephoto lens
pulls image closet
telephoto lens
ISO 50 requires _____ as much _____ to expose than ISO 100
twice; time
spiritual (color) - most associated with non-physical matters
violet