achromat

Equipment

Bresser Messier AR-152L/1200 refractor OTA

14 January 2016 Steve Ringwood

Reviewer Steve Ringwood takes a look through the Bresser Messier AR-152L/1200 — a classic achromatic doublet refractor of 152mm (six-inch) aperture and f/8 focal ratio. Available as an optical tube only with mounting rings, dovetail, carry handle, 8×50 finder, 26mm eyepiece, diagonal and T-adapter, the instrument employs Bresser’s bespoke Hex Focus system.

Equipment

iStar WXT 204-6LT refractor review

29 March 2015 Astronomy Now

For truly immersive deep-sky views, it’s hard to better the high contrast, wide-angle images delivered by a large aperture refractor of short focal ratio. Refractor expert Neil English takes the 8-inch f/6 iStar WXT 204-6LT through its paces and likes what he sees.