SIGETA 50 SERIES 12 mm, 50°, 1.25" Eyepiece — a compact and lightweight eyepiece for telescopes from the SIGETA brand, designed for amateur and semi-professional night observations. The model has a focal length of 12 mm and a standard barrel diameter of 1.25", ensuring wide compatibility with most popular telescopes and adapters.

Design Features

• Optical design: Super Plossl (4 elements in 2 groups) — a classic design for clear contour transmission and minimal aberrations
• Internal thread for light filters — allows for increased contrast when observing planets and nebulae
• Fold-down rubber eyecup — convenient for users with glasses and for adjusting eye relief

Specifications

• Magnification type: fixed
• Focal length: 12 mm
• Field of view: 50° — comfortable for observing extended objects, star clusters, and areas of the Milky Way
• Eye relief: 10 mm — comfortable observation even during long sessions
• Barrel diameter: 1.25" — compatibility with typical eyepiece holders
• Coating: Fully Multi-Coated — high light transmission and image contrast

Package Contents and Dimensions

• Package contents: eyepiece, protective caps (2 pcs.)
• Eyepiece weight: 53 g
• Eyepiece length: 42 mm
• Package weight: 83 g
• Package dimensions: 65 x 50 x 47 mm

The SIGETA 50 SERIES 12 mm eyepiece is designed for universal applications: detailed study of planets (e.g., Mars and Jupiter), observation of galaxies and nebulae, as well as for working with small objects — asteroids and comets. The internal thread allows for the installation of standard light filters to enhance contrast and visibility of subtle structures.

The fully multi-coated lenses guarantee rich and clear images even in low light conditions, while the classic Super Plossl design ensures uniform sharpness across the field of view. Its low weight (53 g) and compact dimensions (42 mm length) make the eyepiece convenient for field conditions and night excursions.

Ergonomic solutions include a fold-down rubber eyecup, which enhances comfort during prolonged observations and allows for easy adaptation of eye relief to the user's individual needs or prescription glasses.

Brand: SIGETA. Category: Military Equipment > Optics > Telescope Accessories. Full model name: SIGETA 50 SERIES 12 mm, 50°, 1.25" Eyepiece.

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