Chapters 4, 5 Buying a Digital Camera Essential Accessories
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- Slide 1
- Slide 2
- Chapters 4, 5 Buying a Digital Camera Essential
Accessories
- Slide 3
- Types of Digital Cameras Professional Digital SLRs Entry-level
Digital Backs Others: video cameras, mobile phones, PDAs Deluxe
Point-and-Shoot Prosumer
- Slide 4
- Some considerations Megapixel resolution (what you need?) Lens
options Exposure options Response times Battery life and cost
Continuous shooting capabilities Size and ergonomics Ease of
use
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- Megapixel considerations From fotomax.com
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- Lens quality Sharpness Dark corners? Distortion Color fringing,
chromatic aberration http://www.dpreview.com/products/c
ompare/lenses http://www.dpreview.com/products/c ompare/lenses
Flare
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- Image sensor Aspect ratio 4:3, 3:2 Dynamic range Similar to
slide film Bit depth
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- Operating speeds Startup time Shutter lag time Write speed
(including memory cards speed) Burst rate (memory buffer size)
Frames per second Comment: if speed is what you need, get a digital
SLR
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- Viewfinders LCD (electronic) viewfinders Optical viewfinders
Hybrid viewfinders
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- Exposure controls Scene modes (e.g. landscape, portrait) ISO
range (e.g. 100-1600) Aperture and shutter speed priorities
Exposure compensation Exposure bracketing Histogram display Tripod
mount In general, the more controls, the better More about these in
chapter 7
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- Flash Red-eye reduction (confusing or even irritating) Flash
exposure control External flash unit
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- Ergonomics Very important Fit your hand? Steady? Fit your eye,
face? Are controls accessible? Are the menus complicated?
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- Image processing Sharpening can you turn it off? White balance
detailed adjustments? Color rendition color modes to choose? RAW
format Can you save images in RAW format for post- processing?
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- Camera Bag Not just for your camera, but also batteries, memory
cards, lenses, etc. Many different sizes Shoulder bags, pouches,
backpacks, etc.
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- Batteries Disposable batteries not economical Rechargeable
batteries Lithium-ion high capacity, no memory effect NiMH popular
(AA size), less capacity, memory effect NiCd also popular (AA
size), less power, severe memory effect Battery chargers some
cameras act as chargers; a separate charger is better.
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- Card Readers USB card readers most popular, for multiple card
types PCMCIA card readers popular for notebook computers Memory
cards with USB interface save the need for card readers.
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- Digital Wallets Portable hard disks with built-in card readers
and LCD displays. Typically 20-60GB of storage compared with 1-2GB
memory cards
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- Portable CD Burners Portable CD writers with card readers. Each
CD can hold 640-700MB. Long-term storage
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- Tripod and monopod Heavy weight tripods give you steady shots
but more difficult to carry around. Suitable for studio shooting.
Light weight tripods made of carbon fiber are good for travelling
use. Monopods save space and weight and often used for sports and
wildlife photography.
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- External Flash Compact digital cameras may or may not support
external flash. External flash may be supported even without a hot
shoe (mounting bracket).
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- Lens Converters Useful for compact digital cameras to get wide
angle shots or telephoto shots
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- Underwater Case Essential for underwater photography