Explore Scientific Eyepiece

The argon-purging process replaces the air inside the eyepiece with inert argon gas. This prevents internal fogging caused by temperature changes and seals the unit against dust, moisture, and other contaminants, ensuring the optics stay clean over time.

This eyepiece features a 2-inch barrel diameter. You will need a telescope equipped with a 2-inch focuser or a 2-inch adapter to use it.

A 68-degree apparent field of view provides a wide, immersive perspective that helps you frame deep-sky objects comfortably. It offers a balance between a wide-angle view and the high-resolution performance needed for detailed observation.

Yes, the 21.6 mm of eye relief is specifically designed to be comfortable for observers who wear glasses. You should be able to see the full field of view without needing to press your eyes uncomfortably close to the lens.

A parfocal design means that this eyepiece is engineered to focus at the same point as other eyepieces in the same series. When you swap it out, you will need to make little to no adjustment to your focuser, saving you time during your observation session.

Weighing in at 1.01 lbs, this is a substantial eyepiece. Depending on your telescope mount's balance, you may need to adjust your counterweights slightly to ensure smooth movement after installation.