Vernonscope Deluxe 1.25-inch Binoviewer

27 July 2015 Steve Ringwood

Microscopists enjoyed the advantages of binocular vision long before someone thought to apply this principle to telescopes. Using both eyes, the brain is able to interpolate both fields, resulting in a gain in contrast and a consequently improved perception of detail. Steve Ringwood appraises a very stylish model from Venonscope aimed at the top end of the twin eyepiece market.


Celestron NexImage Burst Colour camera

25 May 2015 Steve Ringwood

Looking for a high-resolution, high-speed camera for imaging Saturn at opposition with your telescope? Steve Ringwood appraises the one-shot colour Celestron NexImage Burst, capable of capturing 120 frames/second — and it comes with image-processing software too!


3× four-element Barlow lens

12 May 2015 Steve Ringwood

Steve Ringwood investigates a 4-element, 3x Barlow lens that’s designed to provide efficient field correction and apochromatic performance that can match other highly specified optics in the light path.