Explore Scientific 92deg Series Eyepiece

A 92-degree field of view is exceptionally immersive, but it works best with telescopes that have a relatively fast focal ratio. If you are using a very slow telescope, you might notice some edge distortion, but for most high-performance setups, it provides a stunning, panoramic view of deep-sky objects.

Yes, this eyepiece is designed with a generous 20.02mm of eye relief. This allows you to see the entire 92-degree field of view comfortably without having to remove your glasses.

Argon-purging replaces the air inside the eyepiece with an inert gas that prevents internal fogging and moisture buildup. This is particularly useful if you observe in humid climates or during temperature swings, as it keeps the internal optical elements clean and clear over time.

No, this eyepiece requires a 2-inch focuser. You will need to ensure your telescope is equipped with a 2-inch barrel adapter or focuser to use it.

The 17mm focal length is generally better suited for deep-sky objects like nebulae, star clusters, and galaxies rather than high-magnification planetary observation. For planets, you would typically want a shorter focal length eyepiece to achieve higher magnification.