Fujinon LB 25×150 MT-SX Binoculars

LB 25×150 MT-SX: large binoculars with 150 mm objectives.

The Fujinon LB 25×150 MT-SX (25×150) is a large binocular from the FUJIFILM LB150 series, which FUJIFILM describes as large binoculars with strong light gathering at night, combining 25× magnification with 150 mm objective lenses and a 6 mm exit pupil.

Key Facts:

• Aumento: 25×
• Objective diameter: 150 mm
• Campo de visión: 2.7°, or 47 m at 1,000 m
• Alumno de salida: 6 mm (relative brightness 36)
• Minimum focus distance: 208 m
• Peso: 18,500 g
• Water resistance: 2 m for 5 minutes; FUJIFILM notes this does not mean it can be used in water
• Temperatura de funcionamiento: −20 °C to +50 °C

Optics:

The Fujinon LB 25×150 MT-SX uses 150 mm objective lenses with 25× magnification, giving a 2.7° field of view, or 47 m at 1,000 m, and a 6 mm exit pupil. FUJIFILM states that the EBC multi-coating gives high resolution and a sharp image across the field of view. Focusing is individual (IF) with a dioptric adjustment range of −7 to +3 m⁻¹.

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 MT-SX weighs 18,500 g and measures 962 mm high and 365 mm wide; its depth is 525 mm with mount and 190 mm without. FUJIFILM recommends a dedicated mount and tripod.

What is included:

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

Difference from the 25×150 ED-SX and 40×150 ED-SX:

FUJIFILM lists the same 2.7° field of view, 6 mm exit pupil and 18,500 g weight for the 25×150 ED-SX, which adds ED lenses that FUJIFILM says reduce colour aberration and which is made to order. The 40×150 ED-SX magnifies 40× with a 1.7° field of view (30 m at 1,000 m) and a 3.8 mm exit pupil, against 25× and 47 m for the Fujinon LB 25×150 MT-SX.

Manufacturer and supply:

The Fujinon LB 25×150 MT-SX is part of the FUJIFILM binocular range, which also includes the FMT, Day/Night and TECHNO-STABI 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 night-time observation, stating that the 150 mm objective lenses give visibility at dusk or at night. The Fujinon LB 25×150 MT-SX is meant for fixed observation from a dedicated mount and tripod.

Preguntas frecuentes.

1. What is the Fujinon LB 25×150 MT-SX and who is it for?
   The Fujinon LB 25×150 MT-SX is a 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 at night, and the Fujinon LB 25×150 MT-SX is used from a dedicated mount and tripod.
2. Which optics does the Fujinon LB 25×150 MT-SX have?
   The Fujinon LB 25×150 MT-SX has 25× magnification, 150 mm objective lenses and a 6 mm exit pupil. FUJIFILM states that the lenses have EBC multi-coating for high resolution across the field of view.
3. What is the field of view of the Fujinon LB 25×150 MT-SX?
   The Fujinon LB 25×150 MT-SX has a 2.7° field of view, which is 47 m at 1,000 m. The minimum focus distance of the Fujinon LB 25×150 MT-SX is 208 m.
4. How much does the Fujinon LB 25×150 MT-SX weigh and how water resistant is it?
   The Fujinon LB 25×150 MT-SX weighs 18,500 g without battery. FUJIFILM states a water resistance of 2 m for 5 minutes for the Fujinon LB 25×150 MT-SX and notes that this does not mean it can be used in water.
5. What is included with the Fujinon LB 25×150 MT-SX?
   FUJIFILM lists an objective lens cap and a winged eyecup as bundled items for the Fujinon LB 25×150 MT-SX. FUJIFILM recommends a dedicated mount and tripod but does not state that they are included; MSS Defence confirms the scope in the quotation.
6. What is the difference between the Fujinon LB 25×150 MT-SX and the 25×150 ED-SX?
   FUJIFILM lists the same 25× magnification, 2.7° field of view and 18,500 g weight for the 25×150 ED-SX and the Fujinon LB 25×150 MT-SX. Unlike the Fujinon LB 25×150 MT-SX, the 25×150 ED-SX adds ED lenses that FUJIFILM states reduce colour aberration, and FUJIFILM lists the 25×150 ED-SX as made to order.