Bresser erecting lens 1.5x - 1.25″
Do you own an astronomical telescope and want to use it for watching wildlife, birds, or distant landscapes? The Bresser erecting lens is exactly what you need. Astronomical telescopes, by their very nature, produce an image that is both horizontally mirrored and vertically inverted - which is perfectly fine for stargazing, but can be quite confusing when observing terrestrial subjects. This simple yet highly practical optical element solves that problem elegantly.
How does an erecting lens work?
An erecting lens is an optical element that is inserted into the telescope's focuser drawtube, between the drawtube and the eyepiece. Its purpose is to flip the image into the correct orientation - the same natural orientation we see with the naked eye or through a conventional spotting scope. Using an erecting lens for terrestrial observation with a telescope is essential wherever a natural image orientation matters: when watching wildlife, ships, aircraft, or distant landscape features. The resulting view is intuitive and comfortable even for users who are not accustomed to the inverted astronomical image.
1.5x magnification for greater detail
The lens also features 1.5x optical magnification, which increases the overall magnification of the telescope setup. This is particularly appreciated by observers who want to extract a little more detail from the available focal length - for example when watching distant objects on the horizon. It is important to keep in mind that higher magnification comes hand in hand with a narrower field of view and greater sensitivity to tripod vibrations, so a stable support for the telescope is recommended when using this lens.
Universal 1.25″ standard - easy to install
The 1.25″ erecting lens is compatible with the vast majority of astronomical telescopes on the market, because the 1.25″ (31.7 mm) diameter represents the most widely used focuser standard. The lens simply slides into the drawtube and is secured with a thumbscrew - no special modifications or tools are required. Switching between astronomical and terrestrial observation modes takes only a few seconds. Bresser recommends it especially for entry-level telescope models where it is not included in the standard package - with higher-range models it is sometimes included in the box.
About the Bresser brand
Bresser is an established German optics manufacturer with a long tradition in astronomy, microscopy, and nature observation. The brand is valued for its reliable price-to-performance ratio and offers a wide range of accessories that are mutually compatible and well thought out in terms of practical use. The Bresser erecting lens is no exception - it is a solid, functional accessory that expands the capabilities of your telescope without unnecessary compromises. Whether you are a beginner astronomer looking for versatile use of your instrument, or an experienced observer who always wants the right accessory at hand, this lens is a practical and affordable choice.
Key features at a glance
- Corrects the inverted image of astronomical telescopes for comfortable terrestrial use
- 1.5x optical magnification for more detail
- Standard 1.25″ (31.7 mm) fitting - compatible with most telescopes
- Quick and tool-free installation into the focuser drawtube
- Ideal for watching wildlife, birds, ships, aircraft, and landscapes
- Manufactured by Bresser - a trusted German optics brand
