Description
Plössl eyepieces are widely used by amateur astronomers. It offers low distortion and has good chromatic aberration properties. Spherical aberration, coma, and ghost images (due to internal reflections) are almost entirely absent.
GSO 1.25″ 9mm Plössl eyepiece.
The GSO 4-element Plössl eyepiece is an ideal ‘value for money’ option, offering both affordability and quality. It is suitable for high magnification applications such as planetary and lunar observation.
GSO Plössl eyepieces are available in a variety of focal lengths from 4mmto 40mm and are suitable various applications from high power planetary viewing (short focal length) to lunar/rich field (long focal length) to viewing. The 9mm Plossl eyepiece is suitable for medium-high power viewing.
Features:
- 9mm Focal length
- 52° Apparent field of view
- 5mm Eye relief
- 1.25″ Barrel (standard for modern telescopes)
- Fully multicoated
- Filter thread
- 4 Elements
Please enquire when stock is indicated as zero.

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