The Svbony 18 mm SV190 1.25" Ultra Flat FMC is a professional astronomical eyepiece with excellent field curvature correction.

This eyepiece is equipped with optics with a focal length of 18 mm and an apparent field of view of 65°. In order to ensure a suitably high contrast and image detail, all lenses are covered with full multi-layer coating (FMC).

The eyepiece is enclosed in a housing with a thread enabling the installation of 1.25" filters. Under the eyecup there is an additional M42 thread enabling the connection of astrophotography accessories.

Key Features of the Svbony 18mm SV190 1.25" Ultra Flat FMC Eyepiece

• apparent field of view of 65° at 18 mm focal length
• lenses fully multi-coated
• threaded holder for mounting 1.25" filters
• additional M42 thread for mounting a camera or camcorder

Technical parameters

• apparent field of view (AFoV): 65°
• eyepiece focal length: 18 mm
• lens system: 8 lenses in 5 groups
• Diaphragm diameter: 23.4 mm
• exit pupil distance: 20 mm
• coating type: full multi-layer coating (FMC)
• Frame diameter: 1.25"
• possibility of mounting a filter: yes, 1.25"
• filter mounting thread: M28.5x0.6
• thread under the eyecup: M42x0.75
• eyecup: rubber
• length: TBD
• weight: TBD

Set components

• Svbony 18 mm SV190 1.25" Ultra Flat FMC eyepiece

Guarantee

12 months