Saturday 5 June 2010

Canon EOS 450D Digital SLR Flash



          220ex              430ex ii                                 580ex ii
Wireless
 No                          Slave                                 Controller and Slave

AF-assist Beam:
Yes                          Yes, covers all focus      Yes, linked to multi-point
                                 points in EOS cameras   AF system of compatible
                                 up to 9 AF points            cameras
Guide No. (ISO 100, in meters) Zoom/Guide:
28/22                        24/23; 28/26; 35/32;         14/15; 24/28; 28/30;
                                 50/35; 70/38; 105/43         35/36; 50/42; 70/50;
                                                                           80/53; 105/58
Flash Covering Setting Method:
Fixed condenser lens  Fixed condenser lens   Fixed condenser lens
                                  with  internal zoom           with internal zoom

Flash Coverage Setting System:
Fixed                         1. Autozoom (zooms        1. Autozoom (zooms
                                  automatically to match      automatically to match
                                  the lens focal length)          the lens focal length)
                                  2. Manual Zoom (with      2. Manual Zoom (with
                                  zoom button)                    zoom button)
                                  3. Wide Panel                   3. Wide Panel

Image Size Zoom Control:
None                       With cameras compatible   With cameras
                                with auto zoom, it zooms    compatible with auto
                                 automatically to match       zoom, it zooms
                                 the camera's image size    automatically to match
                                                                        the camera's image size
Color Temperature Control
 None                          automatically transfers     automatically transfers
                                    colour temperature         colour temperature
                                    information to recent       information to recent
                                    models of digital SLR      models of digital SLR
                                    cameras                            cameras
Zooming Speed:
None                            Approx 0.4 secs.            Approx 0.6 secs.
                                                                           (24-105mm)
Zoom Position Indicator:
None                          numerals on the LCD's   numerals on the LCD's
                                   focal length display        focal length display
Bounce Direction:
None                        Up: 0-90 degrees; Left: Up: 0-90 degrees; Down:
                                 0-180 degrees; Right     0-7 degrees; Left: 0-180
                                 0-90 degrees                 degrees; Right: 0-180
                                                                       degrees
Bounce Position Indication:
None                        Markings on back of        LCD indicates 7
                                 flash head                        degree bounce down
                                                                         only
Manual Power Setting
None                          1/1 to 1/64                      1/1 to 1/128
Exposure Control Modes:
E-TTL II, E-TTL, TTL  E-TTL II, E-TTL, TTL   E-TTL II, E-TTL, TTL
Flash Modes:
Normal flash, high sync   Normal flash, high sync  Normal flash quick
speed, test firing              speed, test firing            flash, high sync speed,
                                       modeling flash               stroboscopic flash,
                                                                           test firing, modelling
                                                                           flash
Flash Range - ISO 100 50/1.4
0.7m- 15.7m                  0.7m-24.3m                  0.5m-30m
Custom Functions:
None                              6, user selectable          14, user selectable
Other Features
                                                                            Weather sealed
                                                                             metal mounting
                                                                             foot.
Internal Power Source
4xAA                              4xAA                            4xAA
External Power Source Option
No                                    No                               No
Dimensions (W x H x D) mm:
65.1 x 92 x 62                  72 x 122 x 101             76 x 134 x 114
Weight (excluding batteries):
160g                                  330g                            375g





















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