Sky-Watcher Nomad Telecentric 4x M48 2″ Barlow Lens

Sky-Watcher Nomad Telecentric 4x M48 2″ Barlow Lens

A Barlow lens is an optical accessory that fits between your telescope and eyepiece. It effectively multiplies the focal length of the telescope, giving you greater magnification without buying additional eyepieces. The Sky-Watcher Nomad Telecentric 4x Barlow lens is a premium optical accessory that works equally well for visual observing and astrophotography. Its four-element optical system and high-quality anti-reflection coatings deliver outstanding performance - whether you are just starting out or are an experienced observer.

Visual Use - More Magnification from Every Eyepiece

When used with an eyepiece, the Nomad Telecentric works as a classic Barlow lens, multiplying the magnification of any eyepiece by 4x. This lets you observe the surface of the Moon, planets, and other celestial objects in fine detail - without the need to purchase shorter focal length eyepieces.

The optical elements are made from high-quality glass with fully multi-coated anti-reflection surfaces. These coatings minimise light loss and maximise both contrast and sharpness. The blackened lens edges further reduce unwanted internal light scatter, keeping the image clean. A brass locking ring and a locking screw secure the eyepiece safely without scratching its barrel.

Telecentric Design for Astrophotography

The telecentric optical design makes this Barlow lens particularly suitable for planetary astrophotography. Unlike a standard Barlow, a telecentric Barlow produces a parallel exit beam. This eliminates colour shifts across the image field - an important advantage when capturing fine surface detail on planets or the Moon.

The Nomad Telecentric also preserves the apochromatic performance of your ED Apo telescope, so you do not have to compromise on image quality. A camera can be connected directly using the included M48x0.75 threaded adapter. If you want to use a DSLR camera, you will also need a separate T-ring adapter for your specific camera model - this is not included.

Universal and Compatible

The Nomad Telecentric is designed for users who want a single accessory that covers both visual and photographic use. The robust metal body, precisely machined threads, and quality optical system ensure long-term reliability. Filter threads on both ends let you attach astronomical filters directly, with no extra adapters needed.

The lens fits most standard telescopes with a 2″ focuser. The included reduction adapter extends compatibility to eyepieces with a 1.25″ barrel.

Key Features

• 4x magnification multiplier for visual and photographic use
• Four-element telecentric optical design - no colour shift across the image field
• Fully multi-coated (FMC) optical elements for maximum light transmission
• Blackened lens edges reduce internal light scatter
• Preserves the apochromatic correction of ED Apo telescopes
• M48x0.75 thread on the camera side - compatible with a wide range of photographic adapters
• Filter threads on both ends - attach filters without additional adapters
• Brass locking ring and locking screw protect the eyepiece barrel
• Included 1.25″ reduction adapter for compatibility with smaller eyepieces
• Robust metal body for long-term durability

Technical Specifications

What Is Included

• Sky-Watcher Nomad Telecentric 4x Barlow lens (2″)
• M48x0.75 camera adapter
• 1.25″ reduction adapter

Who Is This Barlow Lens For?

The Sky-Watcher Nomad Telecentric 4x is a great choice for anyone who wants to get the most from their existing eyepieces and take their telescope further. If you observe the Moon and planets visually, the 4x factor lets you reach high magnifications with ease. If you photograph planets or the Moon, the telecentric design and M48 thread give you a clean, colour-accurate image across the full camera sensor.

It is equally well suited to beginners who want to extend their equipment gradually, and to experienced observers who need a reliable, high-performance Barlow lens for both visual and photographic work.