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Canon EOS Digital Rebel XT
Compared to Nikon D70
- Page 3

Custom Functions Comparison and Conclusion

Nikon D70
25 Custom functions

Menu Reset restores settings to default values

1. Beep
Turn "Beep" on or off. "Beep" sounds for release timer, and for focus confirmation if set to on

2. Auto Focus
Set AF-S (single-servo AF), focus locks when in focus, or select AF-C (continuous-servo AF), camera focuses continuously while shutter button is pressed halfway

3. AF-Area Mode
To choose how the focus is selected when the focus mode selector is set to AF. Options are: Single Area, Dynamic Area, or Closest Subject (the camera automatically selects focus area based on the subject closest to the camera.)

4. AF-Assist
Select On or Off

5. ISO Auto
Select from On or Off. Setting to On means camera will automatically adjust sensitivity (ISO) as required to achieve the best expoure and flash balance

6. No CF Card
Can choose whether the shutter can be released when no memory card in the camera. Set to "Release Lock" or "Enable Release"

7. Image Review
Set to On or Off. This option determines if an image is automatically displayed in the monitor after being captured.

8. Grid Display
On demand grid lines can be displayed in the viewfinder for reference when composing. Useful for architechture

9. EV Step
This option determines whether adjustments to shutter speed, aperture, exposure compensation, bracketing and flash exposure compensation are made in 1/2 or 1/3 step increments

10. Exp Comp
If set to Off, use the dedicated +/- button to control exposure compensation. If set to On, you can set exposure compensation by rotating the command dial

11.Center Wtd
Centre weighted metering can be set to cover 6, 8, 10, and 12mm. default is 8mm centre circle

12.BKT set
Determines which functions are affected when auto bracketing is set. select AE & flash, AE only, Flash only, White Bracketing

13.BKT Order
This option controls in which order bracketing is performed. Bracketing can be set to proceed from lowest to highest value.

14. Command Dial
If set to "No" the main command dial controls shutter speed, sub command dial aperture. If set to "Yes" the main command dial controls aperture and the sub command shutter speed

15. AE/AF Lock
Controls the settings for the AE-L/AF-L button. Select from:

  • AE/AF Lock
  • AE Lock only
  • AF Lock only
  • AF Lock hold
  • AF-On: Camera focuses when the AE-L/AF-L button is pressed.
  • FV Lock: flash level locks when AE-L/AF-L button is pressed and remains locked until button is pressed again.

16. AE Lock
Controls whether exposure locks when the shutter release button is pressed halfway. Can be set so that exposure can only be locked by pressing the AE-L/AF-L button or set for the shutter release button being pressed hallway as well

17. Focus Area
By default, the focus-area display is bounded by the four outer focus`areas so that, for example, pressing the multi selector up when the top focus area is selected will have no effect. Focus-area selector can be changed to "wrap around" from top to bottom, bottom to top, right to left, and left to right.

18. AF-Area Illuminator
Controls whether or not the active focus area is highlighted in red in the viewfinder. Settings include: Auto / Off / On

19. Flash Mode
Choose flash mode for the built-in speedlight flash. Options include:

(1) TTL: Auto control of built-in speedlight

(2) Manual: (set to full power 1/2, 1/4, 1/8 or 1/16 power)

(3) Commander mode: Options include;

  • TTL: built-in speedlight used to trigger wireless SB-600 or SB-800 Speedlights. (i-TTL flash control)
  • AA: Auto aperture mode
  • Manual: In manual mode user can select from full power, 1/2, 1/4, 1/8 or 1/16 power

20. Flash Sign
Determines whether the flash indicator sign in the viewfinder flickers to warn that the built-in speedlight is required under low lighting conditions. Set to On or Off

21. Shutter Spd.
Determines the slowest shutter speed possible when in Program or Auto exposure mode. Options range from 1/60sec to 30 sec.

22. Monitor Off
User can set how long the monitor remains on when no operations are being performed. Select 10sec 20sec, 1 min, 5 min, or 10 min.

23. Meter Off
This option determines how long the camera continues to meter exposure when no operations are being performed. settings include: 4sec, 6sec, 8sec, 16sec or 30 min.

24. Self-Timer
Controls the length of the shutter release delay in self-timer mode. Shutter-release can be set to be delayed by 2sec, 5sec, 10sec, or 20sec.

Controls how long the camera will wait for a signal from the remote control in delayed remote or quick response remote modes. set to 1 min, 5 min, 10 min, or 15 min.

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Canon EOS Rebel XT / 350D
9 Custom Functions

C. Fn. 1 changes the functions of the SET button and the cross keys and provides for quick and easy access to frequently used functions. The five choices are: 0, Normal; 1, SET button controls image recording quality; 2, SET controls processing parameters; 3, SET controls image playback; 4, cross keys control AF point selection.

C. Fn. 2 enables the dark noise subtraction noise reduction function for long exposures. It provides clearer images of night scenes or the night sky but doubles image processing time between exposures.

C. Fn. 3 sets the flash sync speed in aperture priority auto mode to a fixed 1/200 second or leaves the sync speed on auto/slow sync.

C. Fn. 4 determines selectable functions for the shutter and AE lock buttons. The four choices are: 0, AF/AE lock; 1, AE lock/AF; 2, AF/AF lock, no AE lock and 3, AE/AF, no AE lock.

C. Fn. 5 controls the AF-assist beam. The three choices are ON, OFF and fire only the external flash.

C. Fn. 6 controls whether manually-adjusted exposure level increments are in 1/2 or 1/3 stop units.

C. Fn. 7 enables the mirror lockup function. When C. Fn. 7-1 i selected, the mirror locks up when the shutter button is pressed completely. The shot is taken when the shutter button is released and then pressed completely again. The maximum mirror lockup duration is 30 seconds.

C. Fn. 8 controls whether the E-TTL II autoflash system operates in its evaluative mode or its averaging mode.

C. Fn. 9 determines whether the built-in flash or an accessory Canon EX-series Speedlite is synchronized to fire after the first shutter curtain completes its travel or just before the second shutter curtain begins to move.






















Both the Nikon D70 and the Canon Digital Rebel XT offer a number of individual advantages when compared side by side. Overall, the Nikon D70 provides the richer feature and function set of the two cameras, while the Digital Rebel XT offers a smaller, lighter 8MP solution, and the benefit of Canon's latest DIGIC II image processor (faster performance than predecessor Digital Rebel, lower high ISO noise.)

While many potential buyers might be drawn by the 8 megapixel power of the Canon EOS Rebel XT, it is important to remember that resolution is not the end all in terms of image quality. The difference in print quality that the 8MP resolution offers is for all intents and purposes barely noticeable at an 11" x 14" print size compared to the same shot taken at 6.1 MP. The advantage of the 8MP resolution sensor lies mainly in the ability to crop an image while preserving more detail.

When comparing the respective standard kit lens packages, the Nikon D70 with the AF-S Nikkor DX 18-70mm f/3.5-4.5G zoom versus the Canon Rebel XT with the Canon EF-S 18-55mm f/3.5-5.6 II zoom, the Nikon DX 18-70mm offers superior performance with its AF-S motor, brighter f/4.5 aperture at telephoto, ED low dispersion glass to minimize ghosting and flare, metal lens mount, internal focusing and extended focal range coverage up to 70mm. The higher Nikon D70 kit price versus the Canon Rebel XT kit is mainly reflected in the value of the lens.

Which camera to choose is a personal one and depends on a number of factors. All things considered, bottom line is that the Canon EOS Rebel XT and the Nikon D70 digital SLR are both capable of delivering excellent image quality. We recommend looking at what features are the most important to you, and making your decision accordingly. You really can't go wrong.

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