Altair 70 edq-r f/5 quad apo astrograph

The Sky-Watcher Heliostar 76Ha refractor is a fresh new addition to the well-known manufacturer’s telescope line-up and its first venture into dedicated hydrogen-alpha instruments. The spec is highly

Ever-increasing light pollution and urban sprawl have prompted many of us to seek darker skies to put our equipment to better use. With several dark-sky sites accessible from where we live, we were ex

The best optics and outdoor products tried & tested for you

One of Nikon’s last DSLRs, the pro-spec D850 still has a lot to offer, as John Gilbey discovers

Weight 11.42kg (L) Frame Aluminium alloy Fork Carbon fibre Groupset Shimano GRX RX400, 10-speed Wheels WTB ST i23 TCS rims on Novatec hubs Tyres WTB Riddler, 700c x 45mm Finishing kit Focus alloy hand

The Sony FE 16mm F1.8 G is billed as a petite powerhouse ultra-wide lens that delivers sharp results. Angela Nicholson takes a close look