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Iriscam
info site
If you like an INDEPENDANT opinion on comparing SLR and
Compact cameras please read this:
This person is not in any
way connected with our company, this info is straight from his
website
Article by Tom
Dempsey www.tomdempsey.phopiv.com
Compact versus SLR cameras
- Compact cameras can focus very closely with
good depth of field, and they show a live LCD view (like a high
definition video camera, capturing stills, movies & sound)
which makes framing easy at arms length.
- To photograph this 1-inch cicada insect (below), I flipped
out the LCD at a good viewing angle, I knelt comfortably, and
slowly stretched my arms fully towards the insect. In the low
forest light, I stabilized the camera against the ground for a
sharper image at a slow 1/10th second exposure at f/6.3
aperture. I easily framed the insect by looking down on the live
LCD, though accurate focus took several tries.
- An SLR would have required me to put my head on the ground
with my eye to the viewfinder, in a very uncomfortable &
dirt-stained position. Also, my tripod would have taken too long
to set up before the insect flew away.
- The Super Macro feature (not found in SLRs)
gives extra magnification (at 5 megapixels for the Canon Powershot Pro1, capturing better
resolution than digitally cropping the Pro1’s normal 8-megapixel
Macro Mode). The Pro1 can focus as close as 1 inch / 2.5 cm
using 5 megapixel Super Macro Mode ,which can be impressively
“fast”: f/3.0 at 90 mm equivalent.
- The all-in-one lens in many other modern compact digital
cameras can focus as close as
0.5 inches or 1 centimeter, great for macro shots, much closer
than most standard SLR lenses.
- All-in-one lenses and live LCDs on
compact cameras let you more spontaneously and
creatively capture fleeting moments. You can switch very quickly
from macro close focus, to wide view distant focus, to
telephoto. Even the smallest compact cameras can make decent
prints to 16 inches or A4 size.
- Disadvantages of SLR-style cameras: Heft and bulk
may discourage you from carrying the SLR camera when you need it.
Since a good shirt-pocket sized camera can make good prints to 16
inches, an SLR is overkill for most people. A
bigger camera won’t make you a better photographer - you can get
great shots with most any camera (click here for examples). Since most
SLRs don’t have a live view on the LCD (due to their viewfinder
mirror blocking the sensor), you must look through their
viewfinder to frame shots, which is difficult for
low-to-the-ground macro photographs, or for shots
held overhead. SLRs may require the inconvenience of switching to
separate (expensive) lenses such as for macro. Switching lenses
gathers dust on the sensor, which can be hard to clean.
- Advantages of SLRs over compact cameras: SLRs
make bigger prints. SLRs capture less noise at higher ISO
settings, giving much better light sensitivity. SLRs shoot with
faster shutter response (with little shutter lag) to capture
fleeting moments. SLRs capture images with less distortion using
higher quality sharper lenses.
- Of my images in New Zealand this year, I could have improved
the print quality of about 50% of the photographs if I had taken
them with the D40X SLR with 18-200mm VR lens, which has a longer
telephoto and at least 6 f/stops greater light sensitivity.
- Only 10% of my images (in the form of macro images; movies
& sound recordings) would have required my
compact...

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