Masuyama 1.25-inch 53˚eyepieces

With a staggering 1200mm equivalent reach, could this be the ultimate wildlife lens? Andy Westlake finds out

The modern machines and techniques that can transform blurred vision into 20:20 clarity

£959/$999

Our gathering of the best new kit to market this month

Polarised or mirrored? Amber or grey? Big or small..? When it comes to choosing a set of goggles for open-water swimming, the choices can seem overwhelming. Over the next few pages I’ve tested seven p

In a remote mountain range in Chile, a newly unveiled observatory will soon begin mapping the sky. When its survey starts, the Vera C Rubin Observatory will spend every night for the next decade chart