space on the left side and pull the film leader out until it lines up with the orange mark on the right side of the open camera, and close the back. If the camera is not already on, turn it on now, and the film will wind to the first frame. Can't get much easier with 35mm film.

Figure 5: Inside View

You can see the IR frame counter near the top of the film rail on the right side. This might fog some infrared type films, but most IR film users report that it is actually not a problem in spite of Canon's cautions against using IR films with the Elan II/IIe.

3.8 Lens Release Button

To the left of the lens mount is the Lens Release button. Push it in and turn the lens counter clockwise to remove it.

3.9 Auto Focus Assist Light

Also on the front of the camera is the red Autofocus Assist Light. It emits a pat- terned near infrared light that will allow the camera to autofocus in otherwise complete darkness. This light comes on automatically and very briefly when the camera is aut- ofocusing in low light situations. It's range is up to 21 feet for center AF point and 13 feet for side AF points. This will depend on the lens being used. If you have an exter- nal Speedlite flash unit attached the camera will usually use the AF assist light in the external flash instead of the one built into the camera body. This will save the camera battery power and the external lights are usually more powerful. Some external flash

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Sigma 50/50e manual Lens Release Button, Auto Focus Assist Light