Antares 2x Twist Lock Barlow lens 1.25″
If you want to get the most out of your existing eyepieces without buying a whole new set, the Antares 2x Twist Lock Barlow lens 1.25″ is exactly what you need. This compact optical element is placed between the telescope and the eyepiece, effectively doubling the focal length - and therefore the resulting magnification. With a single purchase, you essentially double the number of useful magnification levels across your entire eyepiece collection.
Design and compatibility
The Barlow lens has a total length of 83 mm, which is a standard size suitable for most rotating and visual setups. The barrel diameter is 1.25″, so it fits any standard focuser or diagonal with the corresponding diameter.
The key design feature is the twist-lock system. Instead of a traditional set screw, you simply insert the eyepiece and lock it in place with a gentle twist - with no risk of scratching the eyepiece barrel and with guaranteed precise centering of the optical axis. For technically demanding observers, this means less axis deviation and more even image quality across the entire field of view.
When to use it
The Barlow lens is especially useful when observing:
- planets
- the Moon
- double stars
In all these cases, high magnification is desirable, yet you may not want to reach for specialized short-focal-length eyepieces with limited eye relief. By using a Barlow lens, you keep the comfortable eye relief of your existing eyepieces even at double the magnification - an advantage that experienced observers appreciate greatly.
The Antares 2x Barlow lens is compatible with refractors, reflectors at popular focal lengths, and catadioptric systems.
Practical advantages
Thanks to its compact design and robust metal body, the lens is a reliable companion both at the observatory and in the field. The twist-lock system also significantly speeds up eyepiece changes during a session - when tracking changing atmospheric conditions, every saved second counts.
Who is it for?
Whether you are a beginner looking to expand the possibilities of your first telescope, or an experienced observer seeking a reliable backup element for your accessory case, the Antares Twist Lock 2x offers convincing value for money. Quality optics, standard dimensions and a well-thought-out locking system make it a practical and versatile addition to any astronomy kit.
Technical specifications
| Parameter |
Value |
| Magnification |
2x |
| Barrel diameter |
1.25″ |
| Total length |
83 mm |
| Locking system |
Twist-lock |
| Body material |
Metal |
| Compatibility |
Refractors, reflectors, catadioptric telescopes |