Astronomik UHC-E Filter – This filter was designed for the visual observation of emission and planetary nebulae with (mainly) smaller scopes, but also works well for imaging these objects if used with an IR block. The IR block can be inbuilt, as with a DSLR, or in combination. The Astronomik L3 type luminance filter gives particularly good results and colour balance. Price includes delivery.
Filters for Astro-Video cameras are hard to recommend due to the relatively short exposures involved. After many tests this gentle Universal Contrast Filter (1.25″) has shown merit in reducing light pollution and increasing contrast on all objects.
It is effective mainly in areas where the local light pollution is due to Sodium (yellowish) light.
It’s also been found to be effective in revealing surface features on the planets Mars, Jupiter and Saturn as well as reducing glare when viewing the Moon.
The QHY CFW 1.25 Inch Adapter is designed to connect QHY mono planetary cameras and the QHYCFW3-S-US and QHYCFW3-S-SR filter wheels using the native dovetail camera fitting. If you’ve removed the dovetail fitting to reveal a female T thread, you can use this adapter instead.
The ZWO SeeStar S50 All-in-One Smart APO Refractor combines a Telescope, Carbon Fibre tripod, Electric Focuser, Colour Camera, ASIair, Go-To Mount, and Filters into a single innovative device!
Price includes UK delivery!
The Antlia 2″ 4.5nm SHO Filter Set is extremely good and represents great value at the price point. Only far more expensive filters, such as Chroma, will give better results.
QHY Combo D2 connects QHY cameras with APS-C or Full Frame sensors such as QHY128C/168C/247C/268C/367C/410C/600C with Canon EF lenses that require 44.1mm back focus, and allows the use of a 2″ filter.
The QHY533C CMOS camera is part of a new generation of back-illuminated CMOS cameras with 3.76um pixels featuring low noise and improved full well capacity. Price includes delivery.
ZWO EAF – 12V version, this electronic focuser enables precise, dynamic focus control for planetary and deep-sky imaging.
Some folk prefer this version to the ZWO EAF – 5V version