Fujinon Binoculars LB 25x150 MT-SX (23647)

Fujinon LB Series Binoculars

The Fujinon LB Series binoculars are known for their exceptional light-gathering capability at night, making them a preferred choice among astronomers, especially for comet observation. Electron Beam Coated optics combined with high-resolution lenses deliver bright, sharp images with excellent clarity and minimal distortion from the center all the way to the edges.

Key Features of the LB Series

• Outstanding image brightness thanks to the large 150 mm objective lenses and Electron Beam Coated optics

• Strong three-dimensional viewing effect created by the wide spacing of the objective lenses

• Optimized internal baffles for enhanced contrast

• Extremely robust construction with a fully waterproof, weatherproof, and corrosion-resistant housing

• High magnification of up to 40× for detailed observation over long distances

• Optional 45° angled viewing version available for increased comfort (EM version only)

• Optional mount and tripod available

Please note that the mount shown is not included in the standard delivery.

Technical Specifications

Optical Design and Performance

• Prism system: Porro prisms

• Magnification: 25×

• Objective lens diameter: 150 mm

• Exit pupil: 6 mm

• Eye relief: 19 mm

• Lens coating: Fully multi-coated

Eyepiece and Focusing

• Eyecups: Folding

• Diopter adjustment: On both sides (individual eyepiece focusing)

• Interpupillary distance: 56–72 mm

• Focusing system: Individual focus per eyepiece

Viewing Characteristics

• True field of view: 2.7°

• Field of view at 1,000 m: 47 m

• Light intensity: 36

• Twilight factor: 61

Features and Protection

• Eyepieces suitable for glasses wearers: Yes

• Splash-proof: Yes

• Waterproof: Yes

• Tripod thread: Yes

• Objective lens covers: Yes

• Eyepiece caps: Yes

Physical Characteristics

• Color: Gray

• Length: 962 mm

• Width: 365 mm

• Weight: 18,500 g

Series

• LB

Recommended Applications

• Astronomy: Very good

• Hunting: Moderate

• Birdwatching: Not recommended

• Sailing: Not recommended

• Travel and sports: Not recommended

• Theatre use: Not recommended