Barlow shootout: Skywatcher, Celestron, High Point, TeleVue Powermate and more

December 2, 2016 // by ecuador

I have several barlows in my possession, some came part of larger purchases (a Celestron 2x and a Skywatcher 2x), some where bought when I wanted more than 2x at good quality (High Point Scientific 2.5x, TeleVue 3x, TeleVue Powermate 5x) and some because I was just curious what you could get for cheap (no-name […]

Celestron, iOptron, Losmandy, Orion, Sky-Watcher, Vixen telescope mount comparison table.

September 19, 2016 // by ecuador

Price update Jan 9 2017: Some price updates. A few impressive price drops, the CEM25 in the UK (£699 from £899), the Orion HDX110 ($3505 from $4499!) and CGEM DX in the US ($1695 from $1999), otherwise mostly price increases in the UK, due to the $1=£0.82 exchange rate. Note Oct 3 2016: After over a decade […]

Mid-high End ($3-15k) Telescope Mount Comparison Table

September 13, 2016 // by ecuador

I while ago I made a comparison table for mass-production mounts under $5k and some nice charts with its data. Since I was recently looking at the mid/high end mount category, which is even less straightforward, I thought it would be interesting if I made a similar table. So, this time nicer small mounts like […]

Celestron f/6.3 reducer/corrector with DSLR on C9.25

March 31, 2016 // by ecuador

Although I got my C9.25 mainly for planets, the fact that my tiny iOptron ZEQ25 mount seems to handle it for longer exposures made me look into using it for DSOs as well. The problem of course is that it is quite slow at f/10, has a very demanding 2350mm focal length and has quite […]