Which lens is used to make slide projector?

Convex Lens
Convex Lens is used in projector to get magnified image as shown in figure. Convex Lens is placed in front of object such that object is between F and 2F.

Does anyone make slide projectors?

Kodak(R) Ektagraphic III E Plus Slide Projector.

Can we make projector using concave lens?

Note: We don’t use a concave lens in a projector because of the following reasons: A concave lens always forms a virtual image. A virtual image cannot be obtained on a screen. A concave lens forms images that have positive magnification which means that size of the image is smaller than the object.

How do slideshide projectors work?

Slide projectors have a pretty, shiny set of optical elements. From back to front there are a concave mirror, a halogen lamp and two condensor lenses that focus the light and spread it out evenly. Between those two is a heat filter, a glass square that blocks the infrared radiation of the lamp.

What do I need to build my own projector?

Neutral Density (ND) gel sheet (buy it at Amazon or your local camera store) A little soldering may be required, a multimeter will come in handy and you may want to order one or two 3D printed parts. You’ll need an old slide projector. After I started the build, I found out that my projector had some impractical features.

How do I build my own LOMO projector?

In order to build your own lomo projector you’ll need: Isbrytare lamp from Ikea (ikea.com, no more in production.. find it on ebay) something to cut wood if you are planning to build it by yourself OR an account on an online laser-cut service (i use http://www.vectorealism.com)

Is it possible to take a smaller picture of a slide?

With such a large resolution on the camera, there is no downside in taking a smaller image of the slide by giving yourself more room to line it up accurately. So to avoid making this too difficult a project, don’t try to zoom in too closely to the actual image itself.