Orion 1.25" Sirius Plössl is a series of universal astronomical glasses intended mainly for beginner visual observation enthusiasts. Thanks to the use of carefully selected materials and precise workmanship, these glasses guarantee high image quality regardless of whether they will cooperate with reflecting telescopes, refractors and catadioptric instruments.

Orion 1.25" Sirius Plössl 25 mm is an eyepiece with a focal length of 25 mm and an apparent field of view of 52°. In order to ensure sufficiently high contrast and excellent detail, all lenses are covered with a multi-layer coating (MC), and their the edges were additionally darkened.

The eyepiece is enclosed in an aluminum housing with a thread enabling the installation of 1.25" filters.

The most important features of the Orion 1.25" Sirius Plössl 25 mm eyepiece

• apparent field of view of 52° at a focal length of 25 mm
• lenses covered with multi-layer coating
• threaded holder for mounting filters
• large exit pupil distance making it easier to observe with corrective glasses

Technical parameters

• eyepiece series: Sirius Plössl
• apparent field of view (AFoV): 52°
• eyepiece focal length: 25 mm
• exit pupil distance: 16.9 mm
• Diaphragm diameter: 24.1 mm
• number of lenses: 4
• coating type: multi-layer coating (MC)
• frame diameter: 1.25"
• possibility of installing a filter: yes
• body material: aluminum
• dimensions: 71 x 36 mm
• weight: 113 g

Set elements

• Orion 1.25" Sirius Plössl 25 mm eyepiece

Guarantee

12 months