Experiments

Light path through a monocular with Porro prisms

Bill, Optics Central’s resident birdwatcher and all-round optics nerd, explains prisms in binoculars. He starts with how Porro prisms which are found in the traditional shaped binoculars work. Then, he […]

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The convent, taken with a DSLR (colour camera)

This is part 3 of my series on astrophotography with filters. Last time I explained how the human eye sees in colour, using three different types of cone cells. We […]

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NGC 6188 - the Fighting Dragons of Ara. Photo taken in hydrogen alpha light.

This is part 2 of a series of blogs about filters and narrowband astrophotography. Bill explains how filters work, why you might use different filters and what a photo taken […]

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A Meade Cassegrain on an NEQ6

This is part 1 of a series of blogs about narrowband photography. In this introduction part, Bill talks about how – and why – he moved from taking astrophotographs with […]

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Celebrating National Science Week 2016 - Final Day - Supertasters!

It’s the last day of our Celebrating National Science Week experiments. We hope you enjoyed it as much as we enjoyed writing them. This final experiment is very different from […]

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Celebrating National Science Week Day 7 - Make Your Own Solar System

It’s almost the end of the National Science Week activities. In yesterday’s article, Fruits Magnified, fruits were the main subject being studied in detail under a stereo microscope. What we […]

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Celebrating National Science Week Day 4 - Moon Phases

Find out why the Moon appears different on different nights of a month and the names of the eight Moon Phases. This topic works great as simple general knowledge and is also one of the fundamentals of getting into lunar observation. Read now!

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Celebrating National Science Week Day 3 - Counterfeit Detection

To celebrate National ScienceWeek in Australia, OpticsCentral is posting one experiment every day for the week. Today, we will be talking about counterfeit detection and identifying the mechanisms that are in place to protect our currency.

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Celebrating National Science Week Day 2 - Build A Telescope

Day 2 – Build your own telescope What is a telescope? A telescope is a tool used to look at distant places as if they were nearby. While telescopes have […]

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Simple and Fun Experiments this National Science Week 2016

Celebrate National Science Week 2016 with us! In celebration of National Science Week (August 13th to August 21st, 2016), we will be posting one cool experiment to do with your […]

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