This is a standard reducer with field flattening capabilities as well. The 50EDPH is compact and lightweight, with a gross weight of 1.0kg (including the dovetail plate) and a total length of 196mm.
eBay
Fully corrected triplet lens group for colour-free imaging. It features It's an ideal scope for astrophotography. -- integrated field flattener (4th lens) for a corrected fiels up to full-size sensors.
eBay
Altair / GSO RC250 10" f/8 Ritchey-Chretien Astrograph with carbon truss tube OTA only. Mirrors are in great condition. taken some fab images of nebula and galaxies with the 2000mm focal length. reluctantly selling as moving house to a light polluted area where it won't get used. RRP £2700 check out some of my other items listed too: mount & camera
eBay
Skywatcher HAC125DX MINIGRAPH 125mm f/2 Honders Advanced Catadioptric Astrograph (Available September 2025 orders being taken). The all-new Skywatcher Honders Advanced Catadioptric, or HAC125DX Minigraph is the smallest, fastest astrograph you can find.
eBay
Includes a ZWO EAF auto focuser installed with the ZWO bracket. The image of M45 Pleiades was taken in only 1.5 hours. A ZWO EAF (electronic focuser) with a RASA mounting bracket. This will be left installed but I will include the box for this.
eBay
The weight of SQA55 body is 1.84kg, and the standard weight (including handle and dovetail) is 2.18kg. The top handle of SQA55 is equipped with a multifunctional star seeking mirror base groove, which can be used to install various astronomical accessories.
eBay
The Celestron AstroMaster 114EQ produces clean, clear images due to luminous 114mm aperture and high quality 10mm and 20mm eyepieces included. Maximum magnification of 100x is achievable with the 10mm eyepiece.
eBay
The back focus of FRA400 is 140mm, starting from the base of mounting thread on the housing to the focal plane. And users don't need to worry about the calculation of back focus when using FRA400, as long as the object in the objective lens is focused.
eBay