There is a practically new DMK21ao4 for sale on Astro Buy Sell
http:// www.astrobuysell.com/uk
DMK21 for sale
DMK21 for sale
Lunt LS60THa / B1200 / LS60Fha / DMK51AOU2 / DMK21AOU2 / Revelation 6 & 8" RC / Opticon Minitower 11 & Startracker / Mad Red Setter and understanding Wife