
Problems finding focus with a DSLR
How I used the right type of Barlow to focus a DSLR on a small Newtonian telescope.
How I used the right type of Barlow to focus a DSLR on a small Newtonian telescope.
Bill, Optics Central’s astrophotography specialist – and general all-round enthusiast – gives his opinion of the top 10 telescopes for 2019. See what he thinks! My boss asked me to […]
It’s getting into the Christmas season, and people are starting to think about presents. We made up this list of telescopes (and a binocular) with kids of between about 5 and 10 in mind.
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 […]
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 […]
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 […]
This guide is suitable for all telescope owners of Synta computerised go-to EQ mounts, such as Sky-Watcher and saxon. In a previous blog, I explained how to polar align a […]
Part two of the Celestron NexStar series. This guide is intended to help first time users and those who are experiencing difficulty with the Celestron SkyPortal (previously known as Celestron SkyQLink) […]
This blog shows you two different types of finderscopes. It describes what a finderscope is, how it’s useful, how it attaches to your main scope. Not all new astronomers know […]
This is the second part of my blog on telescope mounts, and concentrates on the equatorial mount. I look specifically at how to set up an equatorial mount and align […]