New Digital Cameras in the VMIL : A Brief Comparison - PowerPoint PPT Presentation

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New Digital Cameras in the VMIL : A Brief Comparison

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Imaging Technology Group Visualization, Media and ... Beckman Institute for Advanced Science and Technology. Overview. Nikon Coolpix 995. Canon PowershotG1 ... – PowerPoint PPT presentation

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Title: New Digital Cameras in the VMIL : A Brief Comparison


1
New Digital Cameras in the VMIL A Brief
Comparison
2
Overview
  • Nikon Coolpix 995
  • Canon PowershotG1

3
G1 Technical Specifications
  • Format tiff or jpg
  • Resolution 2048x1536, 1024x768, 640x480, movies
    320x240 pixels _at_15frames/sec, up to 30 sec movie
  • Focus auto, infinity, macro, manual
  • Aperture auto, shutter-priority,
    aperture-priority, manual f2.08
  • Shutter speed 1/1000-1/8
  • ISO 50, 100, 200, 400, auto

4
995 Technical Specifications
  • Format tiff or jpg
  • Resolution 2048x1536, 1600x1200, 1280x960,
    1024x768, 640x480, 2048x1360 (32)
  • Focus auto, infinity, macro, manual
  • Modes auto, shutter-priority, aperture-priority,
    manual
  • Aperture f2.68.2
  • Shutter speed S mode 8-1/2000, A mode 8-1/2300,
    M mode 8-1/2000
  • ISO 100, 200, 400, 800, auto

5
Comparison
  • 995
  • Format tiff or jpg
  • Resolution 2048x1536, 1600x1200, 1280x960,
    1024x768, 640x480, 2048x1360 (32)
  • Focus auto, infinity, macro, manual
  • Modes auto, shutter-priority, aperture-priority,
    manual
  • Aperture f2.68.2
  • ISO 100, 200, 400, 800, auto
  • G1
  • Format tiff or jpg
  • Resolution 2048x1536, 1024x768, 640x480, movies
    320x240 pixels _at_15frames/sec, up to 30 sec/movie
  • Focus auto, infinity, macro, manual
  • Modes auto, shutter-priority, aperture-priority,
    manual
  • Aperture f2.08
  • ISO 50, 100, 200, 400, auto

6
G1 Features
  • Compression superfine/fine/normal
  • Resolution large/medium/small
  • Modes pan focus, portrait, landscape, night
    scene, stitch assist, movie, macro, self-timer,
    continuous, program AE, Tv, Av, M
  • Interface similar to
  • Canon XL1 miniDv
  • camcorder

7
G1 Features contd
  • Intelligent LCD flips right side up when
    physically upside down
  • Zoom playback
  • Movie format .AVI/ motion JPEG

8
995 Features
  • Quick Review button
  • Multiview playback (9-tile)
  • Delete pictures off card as soon as taken
  • Modes P, S, A, M
  • Interface similar to DCS330 w/ scroll wheel
    access to menus
  • Shooting distance .06ft to 30 feet ?

9
995 Features contd
  • Multishot
  • Best shot selector
  • Memory setting for up to 3 users
  • Image sharpening
  • Zoom playback
  • 4x digital zoom nikkor lens
  • Pop-up speedlight for reduced red-eye

10
G1 - Display
  • Top Display
  • 19 items displayed
  • LCD panel
  • 13 items displayed

11
995 display
  • Top Display
  • 14 item display
  • LCD Panel
  • 28 item display
  • Folder name

12
Special features
  • G1
  • Twist lcd
  • Flash hot shoe
  • 2x or 4x digital zoom
  • Audio clip capability
  • 995
  • Non-protruding zoom lens
  • Split swivel design
  • 28mm threaded ring for extra lenses
  • 4x optical zoom
  • Pop-up flash (to reduce red-eye)

13
Shortcomings
  • G1
  • Hard to see top display when using tripod at tall
    setting
  • Flash may take up to 10 sec to recharge
  • Digital zoom thru menu
  • Auto-shutoff 3 min
  • Aperture/shutter speed only display on lcd when
    shutter ½ way down
  • No settings displayed on lcd panel when in
    self-portrait mode
  • 995
  • Continuous autofocus when lcd on
  • Not as many easily accessible options as g1
  • Less intuitive interface (more thru menus)
  • Lcd shuts off for 1 or 2 sec after picture taken
  • Orange tint w/o WB set

14
Ease of use
  • G1
  • Shooting modes easily accessible through turn
    dial
  • Buttons on camera more self explanatory
  • More options for general picture taking
  • 995
  • Swivel optics
  • Better manual

15
Continuous picture taking mode
  • G1
  • Displays most setting info on both monitors
  • Speed is 1.7 images/sec when lcd is off
  • Successive shots recorded till card is full
  • Continuous mode button on top of camera
  • 995
  • 1.5 images/sec at 2nd best quality and lower
  • VGA sequences possible
  • 2fps at 640x480 till card is full
  • Can take 70 images in high speed succession at
    320x240 at 30 fps in UltraHS mode

16
Movie mode
  • G1
  • Selection on turn dial
  • Shooting sound start simultaneously
  • Max time 30sec _at_15fps
  • Sound monoaurall
  • .AVI/ motion JPEG
  • 995
  • 40 sec max
  • No audio
  • QVGA 320x240 can be played back on display
    _at_15fps
  • QT format (.MOV)
  • Can interrupt movie for a while

17
Which one should I use?
18
Examples
G1 macro no flash
G1 macro flash
995 macro no flash
995 macro flash
19
Examples
G1 macro no flash
G1 macro flash
995 macro no flash
995 macro flash
20
Examples
G1 no flash
995 no flash
21
Which resolution for printing?
  • 2048x1536 A4 paper _at_ 200dpi
  • 1024x768 17 monitor display
  • 1280x960 postcard size print _at_ 200dpi
  • 640x480 web/email attachment, 13 monitor
  • 32 at 2048x1360 proportions to emulate 35mm
    film

22
Compared to Kodak DCS330
  • Prosumer vs. professional
  • No zoom on 330 have to pick a lens
  • Much better macro feature w/ 60mm lens
  • Depends on final output

23
Tips for picture taking
  • Always use flash when taking pictures in
    incandescent lighting (indoors)
  • Faster shutter speed catches instantaneous image
    of object in motion
  • Noise recorded on image increases w/ slower
    shutter speeds
  • Lower aperture value (opening of aperture) allows
    you to fade background create nice portraits
  • Higher aperture value brings entire range
    (foreground to background) into focus
  • Get up as close as possible to glass when taking
    pictures through it to reduce reflections.

24
Reviews
  • For the 995
  • http//www.dpreview.com/reviews/nikoncp995/default
    .asp
  • For the G1
  • http//www.dpreview.com/reviews/canong1/default.as
    p

25
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