slide projector![click to hear](/images/speaker.jpg)
Device with a lamp and an optical system that projects an enlarged image of a slide on a screen.
autofocus on-off switch ![click to hear](/images/speaker.jpg)
Device that starts and stops the mechanism automatically controlling the sharpness of the image.
manual focusing knob ![click to hear](/images/speaker.jpg)
Knob for manually adjusting the sharpness of the image projected on the screen.
objective lens ![click to hear](/images/speaker.jpg)
System made up of a series of optical devices fixed on a mount and used to project an enlarged image of the slide on a screen.
storage compartment ![click to hear](/images/speaker.jpg)
Compartment used for storing various items, including the power cord and the remote control.
slide tray ![click to hear](/images/speaker.jpg)
Container where slides are placed in order of projection.
remote control ![click to hear](/images/speaker.jpg)
Device manipulated from a distance that operates several of the slide projector’s functions such as forward and reverse slide changes.
power-off/slide-select bar ![click to hear](/images/speaker.jpg)
Button that causes the slide tray to advance manually so that a specific slide can be selected.
reverse slide change ![click to hear](/images/speaker.jpg)
Button that causes the previous slide to be projected on the screen.
forward slide change ![click to hear](/images/speaker.jpg)
Button that causes the next slide to be projected on the screen.
on-off switch ![click to hear](/images/speaker.jpg)
Button for turning the device on or off.
slide ![click to hear](/images/speaker.jpg)
Positive photographic picture (with the same brightness as the original) that is mounted on a transparent backing and usually projected on a screen.
lock ring ![click to hear](/images/speaker.jpg)
Part that holds the slides in place in the slide tray.