BBC Sky at Night Magazine

FIRST light

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not lost by bouncing off reflective internal surfaces inside the tube.

The telescope shipped with a customised 50mm Vixen finder, which also delivered sharp images. It possesses an extra-long dew shield, and its large knurled thumbscrew­s made it very easy to align the finder with the telescope tube and make fine adjustment even with cold hands. The finderscop­e mounting brackets are reassuring­ly solid and screw directly to the mounting rings on the tube. The finder bracket is not removable, however, so care must be taken when transporti­ng the instrument. One particular­ly nice feature is the ability to move between a single eyepiece and a binoviewer without the need for additional lenses or adaptors.

Using our own star diagonal and 26mm eyepiece we aimed at the Pleiades open cluster in Taurus: the stars were pin sharp across 95 per cent of the field of view. Moving to Vega in Lyra, we were impressed by a crisp, well-defined image that yielded extremely little false colour fringing. We tried increasing the magnificat­ion with a 3-6mm Televue Nagler zoom eyepiece, which delivered a tight, wellresolv­ed star and airy disc. Taking Vega slightly in and out of focus revealed even concentric rings, showing a good alignment of the lens elements.

Moving over to the double star Alberio in Cygnus, we were greeted with a beautiful contrast of blue and gold. The colour rendition was superb even though the Moon was casting a bright glare at the time of review. And although the Moon was indeed very bright, the telescope was still able to deliver an exceptiona­lly detailed view of the lunar surface, with a good tonal range even in the less than ideal observing conditions.

The Nebula Class refractor is certainly an observer’s instrument through and through. Its unique styling helps showcase a beautifull­y tactile and practical instrument. Hand made to a very high standard, the design would not look out of place on the set of a 1950s sci-fi movie, yet it also manages to look modern at the same time. Daring to be different always carries a degree of risk, and while the Moonraker’s appearance may not be to everyone’s taste, this telescope is a great example of British design and practical craftsmans­hip.

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