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From Lenses to Optical Instruments
From some simple experiments with lenses, you will learn how important optical instruments such as telescopes and microscopes work.

A Telescope
In this article I describe two models of telescopes: a simple one and a more perfected one. Building the simple telescope, you will become familiar with the optical and fabrication problems of these instruments, but you will, in any case, be able to see the craters of the moon and the satellites of Jupiter. After building the perfected one, you will be able to make interesting astronomical and terrestrial observations.

A Sidereal Pointer
With this tool you will be able to identify every heavenly body in the night sky; you will learn to know the celestial coordinate system and the constellations; and you will be able to draw the trajectories of planets and comets on celestial maps. In the bibliography, I give you information on an astronomy book with the coordinates of thousands of celestial bodies.

A Stereoscope
A stereoscope is an instrument which allows you to see pictures and drawings in three dimensions. In this article I describe some different stereoscope models. You will learn how stereoscopy works and how to take stereoscopic pictures with a normal camera.

The Sky in a Room
Would you like to be able to watch the sun rise every morning while still in bed or see the moon run after the clouds at night? This article explains how to do it. Putting a lens on your window is all you need to do to see the outdoor panorama projected on the opposite wall of your room.

Panoramic Pictures
In this article you will find some panoramic pictures of Italian cities taken with a special homemade camera.

A Panoramic Camera
At times, we encounter panoramas so vast that a camera does not manage to capture but a small portion of it. If, in any case, you try to take a photo of this, even with a wide-angle lens you will almost always end up with terrible results. The panoramic camera, on the contrary, is able to shoot extremely vast panoramas and render them even more beautiful than how you originally saw them. With this apparatus, you will be able to take photos like those they use for (wall-length) murals. It will give you back the light, the space, and the atmosphere of that day and that place. If you want breathtaking shots, this camera will give them to you. However, be warned that making the panoramic camera is not an easy task. So that you’ll excuse I, in the article I also provide some simple methods for getting satisfactory panoramic shots, geared towards the reader who does not want to spend too much time making the panoramic camera.

Some Pictures  Updated  16 09 2008
This time there is nothing to build, just pictures to look at so you can rest yourself a bit. Some of these images were taken with a microscope; others are macrographs, and yet others represent countryside, etc.

A 6x9 Twin Lens Reflex Camera

Mounting a viewer on an accordion camera, it is possible to obtain a photographic device which gives excellent results, in particular with black and white photography.

A Simple Photographic Camera
With a lens and a shoebox, children can construct a "Photographic Camera". They will become familiar with some important laws of optics while amusing themselves.

Let's Observe Eclipses
With a telescope, it is possible to show the eclipses on a wall of a room and to observe this magnificent phenomenon with your friends without being dazzled.

Meteors
Simple observations of heavenly events. A series of little experiences to allow our minds to travel amongst the clouds (if they aren't already doing so) and to broaden our horizons.
   

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 Science experiments - Optics - Microscopy - Observing with a microscope - Other Articles

 


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