Fujinon LB 25×150 ED-SX Binoculars

LB 25×150 ED-SX: large binoculars with ED lenses and 150 mm objectives.

The Fujinon LB 25×150 ED-SX is a made-to-order large binocular from FUJIFILM, sold under the Fujinon brand in the LB150 series, which FUJIFILM positions for visibility at dusk or night, combining 25× magnification with 150 mm objective lenses, special ED lenses and a 6 mm exit pupil.

Key Facts:

• Vergrößerung: 25×
• Objective diameter: 150 mm
• Sichtfeld: 2.7°, or 47 m at 1,000 m
• Exit pupil: 6 mm (relative brightness 36)
• Augenabstand: 18.6 mm
• Gewicht: 18,500 g (without battery)
• Water resistance: 2 m for 5 minutes; FUJIFILM notes this does not mean it can be used in water
• Betriebstemperatur: −20 °C to +50 °C

Optics:

The Fujinon LB 25×150 ED-SX combines 25× magnification with 150 mm objective lenses, giving a 2.7° field of view, or 47 m at 1,000 m, and a 6 mm exit pupil. FUJIFILM states that the ED-SX models have special ED lenses to reduce colour aberration, and that the EBC multi-coating gives high resolution and sharpness across the field of view. Focusing is individual (IF) with a dioptric adjustment range of −7 to +3 m⁻¹ and an eye relief of 18.6 mm.

Construction and mounting:

FUJIFILM describes an airtight, waterproof and corrosion-resistant structure, tested to 2 m for 5 minutes, and an operating range of −20 °C to +50 °C. The Fujinon LB 25×150 ED-SX weighs 18,500 g without battery and measures 962 mm high and 365 mm wide; FUJIFILM gives a depth of 525 mm with mount and 190 mm without. FUJIFILM recommends a dedicated mount and tripod.

Difference from the LB 25×150 MT-SX:

FUJIFILM lists the same 25× magnification, 2.7° field of view, 6 mm exit pupil and 18,500 g weight for the 25×150 MT-SX and the Fujinon LB 25×150 ED-SX. FUJIFILM names the ED-SX models, not the 25×150 MT-SX, as having special ED lenses to reduce colour aberration, and lists the Fujinon LB 25×150 ED-SX as made to order.

What is included:

FUJIFILM lists an objective lens cap and a winged eyecup as bundled items for the LB150 series. FUJIFILM does not state whether the dedicated mount or a tripod is included with the Fujinon LB 25×150 ED-SX; MSS Defence confirms the delivery scope in the quotation.

Manufacturer and supply:

The Fujinon LB 25×150 ED-SX is part of the FUJIFILM LB150 series, alongside the 25×150 MT-SX and the 40×150 ED-SX; FUJIFILM’s binocular range also includes the HYPER-CLARITY, TECHNO-STABI, FMT, Mariner, STABISCOPE and DAY/NIGHT series. MSS Defence is the Dutch supplier for this product: it works on quotation and gives customers one point of contact for advice, ordering and after-sales questions.

Intended use:

FUJIFILM positions the LB150 series for observation in low light, stating that the 150 mm objective lenses give visibility at dusk or night. The Fujinon LB 25×150 ED-SX is meant for fixed observation from a dedicated mount and tripod.

Häufig gestellte Fragen.

1. What is the Fujinon LB 25×150 ED-SX and who is it for?
   The Fujinon LB 25×150 ED-SX is a made-to-order large 25× binocular with 150 mm objective lenses from the FUJIFILM LB150 series. FUJIFILM states that the 150 mm objectives give visibility at dusk or night and recommends using the Fujinon LB 25×150 ED-SX on a dedicated mount and tripod.
2. Which optics does the Fujinon LB 25×150 ED-SX have?
   The Fujinon LB 25×150 ED-SX has 25× magnification, 150 mm objective lenses and a 6 mm exit pupil. FUJIFILM states that the Fujinon LB 25×150 ED-SX has special ED lenses to reduce colour aberration and EBC multi-coating for resolution across the field of view.
3. What is the field of view of the Fujinon LB 25×150 ED-SX?
   The Fujinon LB 25×150 ED-SX has a 2.7° field of view, which is 47 m at 1,000 m. FUJIFILM lists an apparent field of view of 61° for the Fujinon LB 25×150 ED-SX, based on ISO 14132-1:2002.
4. How much does the Fujinon LB 25×150 ED-SX weigh and how water resistant is it?
   The Fujinon LB 25×150 ED-SX weighs 18,500 g without battery. FUJIFILM states a water resistance of 2 m for 5 minutes for the Fujinon LB 25×150 ED-SX and notes that this does not mean it can be used in water.
5. What is the difference between the Fujinon LB 25×150 ED-SX and the 25×150 MT-SX?
   FUJIFILM lists the same 25× magnification, 2.7° field of view and 18,500 g weight for the 25×150 MT-SX and the Fujinon LB 25×150 ED-SX. Unlike the 25×150 MT-SX, the Fujinon LB 25×150 ED-SX has special ED lenses that FUJIFILM states reduce colour aberration, and FUJIFILM lists the Fujinon LB 25×150 ED-SX as made to order.