26mm Extending adaptor for 31.7mm
(-Lacerta: 1z26)
19.90 EUR
40mm Extending adaptor with 2" internal filter threads 50.8mm
(-Lacerta: 2z40)
24.90 EUR
2x achromatic Barlow with camera adaptor (T2)
(-SkyWatcher: B2T)
44.89 EUR
2x achromatic Barlow (Fully multi-coated, 1.25")
(GSO: B2x)
39.90 EUR
2x GSO achromatic Barlow with camera adapter (T2)
(GSO: B2Tg)
51.89 EUR