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Rear of camera controls

Just like the EOS 10D the EOS 300D has a column of buttons down the left side of the LCD monitor, all of these associated with the monitor or actions carried out on it. On the right side of the LCD monitor is the exposure compensation button, backlight button and four way controller (which provides white balance and ISO control in shooting mode).

Shooting mode

Button Operation
Enter / Leave the Menu

The camera menu is described on the following pages of this review.

Displays a page on the LCD monitor summarizing the current camera settings.

Displays the last image shot (the last image on the card). The EOS 300D is a "shooting priority" camera, that means that no matter what is displayed on the rear LCD this will be cancelled if any of the cameras photographic functions (example half-pressing the shutter release) are accessed.

Erase (record review)

During record review press the Erase button to display an "Erase [Cancel] [OK]" option, selecting OK removes the image from the CF card before it is finalized.

Exposure compensation / Aperture

Hold this button and turn the main dial to change exposure compensation (+/- 2.0 EV in 0.3 EV steps). In manual exposure mode hold this button to change aperture.

Press this button to activate the LCD panel backlight, the light stays on for five seconds.
ISO sensitivity

Press once then roll the main dial to change ISO sensitivity:
 • 100
 • 200
 • 400
 • 800
 • 1600
White Balance

Press once then roll the main dial to change White Balance:
 • Auto
 • Daylight
 • Shade
 • Cloudy
 • Tungsten
 • Fluorescent
 • Flash
 • Custom
Four way controller

Navigate menu options / pop-up options.

Play mode

Button Operation
Enter / Leave the Menu

The camera menu is described on the following pages of this review.

Switches between two different play display modes:
 • Single image view with folder, file number, exposure and frame count
 • Thumbnail image with exposure information, histogram and blinking highlights
Jump mode

Enters jump mode which allows you to skip through images by 9 frames forward or backward (in single view or thumbnail index mode).

Leaves play mode. You can also leave play mode by simply half-pressing the shutter release button.


Press the Erase button to display an "Erase [Cancel] [Erase] [All...] " option, the All option allows you to remove all the images on the CF card except those which have been protected.

Four way controller

Press to left or right to browse through images on the compact flash card. Also used to navigate menu options / pop-up options.

Under your thumb

On the right top corner of the camera "under your thumb" are two buttons. Firstly is AE / FE lock button (press to set), in play mode this is used to reduce magnification or enter thumbnail index view. Secondly is the AF point selection button, press and then roll the main dial to change AF point. In play mode the second button is used to magnify the displayed image.

Shooting mode

Button Operation
AE / FE Lock

Press to trigger automatic exposure and lock the exposure for the next shot. Hold the button during shutter release to lock the exposure for more than one shot.
AF point button

Press to change the active AF points, either a single AF point of the seven or auto AF point selection. Press the button once and then turn the main dial.

Play mode

Button Operation
Thumbnail index / reduce magnification

If in single view play mode pressing this button will switch to a 3 x 3 thumbnail index. If already magnified it will step back in magnification levels once.


Press to magnify the current image, there fifteen steps up to a maximum magnification of 10x. Use the four way controller to scroll around the image. Note that it is possible to browse while magnified by turning the main dial.

Lens mount controls

On the side of the lens mount are the final set of camera controls. First is the flash open button, a press of this (assuming the exposure mode allows flash) will pop-up the onboard flash (this is electronic).

Below the lens release button is the depth of field preview button (positioned just right for a tap from your thumb when supporting the lens), press this and the lens stops down to the indicated aperture to give a preview of the depth of field through the viewfinder.

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Total comments: 5

Big downgrade from the 10D, first plastic body, second NO custom menus. This camera is aimed squarely at the PS crowd. The good news out of this is they are releasing a 100~400 F4 L with IS, assuming it's better optically than the current 100~400 this lens should sell like hot cakes!!!

It looks like Nikon/Minolta/Sony are in BIG trouble with this new camera.

1 upvote

The camera has a rotation sensor which allows automatic rotation of images. This is a very important feature lacking on other far more expensive cameras. I'm unsure if the images themselves are rotated, which saves a lot of time in post-production, or if just the previews are rotated, which is a lot less useful but still far better than the Nikon cameras I use like the D1H. I can manually rotate images inside my Canon A70, but this only applies to the preview. With the A70 I still have to rotate in post.

Charlie Medina

I purchased an EOS 300D in Bath, 2003, their first EOS product as I had been stolen my professional NIKON in Liverpool. It isn't too bad and using Photoshop you are able to improve pictures' quality. I am a freelance journalist/photograph.
Now, when I asked CANON for a copy of the lost original Firmware/software they refuse to deliver one. "No software is available" they said. My God! CANON forget old customers! Has any one a copy of original CD for an EOS 300D? PLEASE....I pay for that copy.
Tell me at


1 upvote

my camera wont do anything when turned on,no image on the sscreen no lights on, tried everything
Peter Rix


that's weird :(

Total comments: 5