Fujinon 7×50 FMTR-SX Binoculars

7×50 FMTR-SX: 7× binoculars with field flattener lens.

The Fujinon 7×50 FMTR-SX (7×50) is a 7× binocular with 50 mm objective lenses from the FUJIFILM FMT series, with a 7.5° field of view (131 m at 1,000 m), 23 mm eye relief and a weight of 1,410 g.

Key Facts:

• Ingrandimento: 7×
• Objective diameter: 50 mm
• Campo visivo: 7.5°, or 131 m at 1,000 m
• Alunno in uscita: 7.1 mm (relative brightness 51)
• Rilievo oculare: 23 mm
• Peso: 1,410 g
• Water resistance: 2 m for 5 minutes; not for use in water
• Temperatura di esercizio: −20 °C to +50 °C

Optics:

The Fujinon 7×50 FMTR-SX uses Fujinon's field flattener lens, which FUJIFILM states gives a sharp field of view with no distortion, and FUJIFILM states that all lenses and prisms have EBC multi-coating. The Fujinon 7×50 FMTR-SX has a 7.1 mm exit pupil, a relative brightness of 51 and a minimum focus distance of 9.8 m. Focusing is individual (IF) with ±5 m⁻¹ dioptric adjustment and an interpupillary range of 56–74 mm.

Costruzione:

FUJIFILM describes an airtight, waterproof structure tested to 2 m for 5 minutes, which does not mean the binocular can be used in water. The Fujinon 7×50 FMTR-SX measures 198 mm high, 218 mm wide and 78.5 mm deep and weighs 1,410 g.

What is included:

FUJIFILM lists objective lens covers, an eyepiece rainguard, a soft case and a neck strap as bundled items for the FMT series, which includes the Fujinon 7×50 FMTR-SX. No mount is listed; the Fujinon 7×50 FMTR-SX is a hand-held binocular.

Difference from the 10×50 FMTR-SX:

The Fujinon 7×50 FMTR-SX magnifies 7× with a 7.5° field of view (131 m at 1,000 m), 23 mm eye relief and a 7.1 mm exit pupil, and weighs 1,410 g. FUJIFILM lists 10× magnification, a 6.5° field of view (114 m at 1,000 m), 19.8 mm eye relief, a 5 mm exit pupil and 1,430 g for the 10×50 FMTR-SX.

Manufacturer and supply:

The Fujinon 7×50 FMTR-SX belongs to the FMT series, one of the FUJIFILM binocular lines alongside the LB150, Day/Night and TECHNO-STABI series; FUJIFILM states the series has a long eye relief design with a maximum length of 23 mm. 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 lists an operating temperature of −20 °C to +50 °C for the Fujinon 7×50 FMTR-SX. FUJIFILM names astronomical use for the 7×50 and 10×50 models, which include the Fujinon 7×50 FMTR-SX, citing their bright optics and large field of view.

Domande frequenti.

1. What is the Fujinon 7×50 FMTR-SX and who is it for?
   The Fujinon 7×50 FMTR-SX is a 7× binocular with 50 mm objective lenses from the FUJIFILM FMT series. FUJIFILM lists an airtight, waterproof structure tested to 2 m for 5 minutes and an operating temperature of −20 °C to +50 °C for the Fujinon 7×50 FMTR-SX. FUJIFILM names astronomical use for the 7×50 and 10×50 models, including the Fujinon 7×50 FMTR-SX.
2. Which optics does the Fujinon 7×50 FMTR-SX have?
   The Fujinon 7×50 FMTR-SX has 7× magnification, 50 mm objective lenses and a 7.1 mm exit pupil. FUJIFILM states that all lenses and prisms of the Fujinon 7×50 FMTR-SX have EBC multi-coating and that a field flattener lens is used.
3. What is the field of view of the Fujinon 7×50 FMTR-SX?
   The Fujinon 7×50 FMTR-SX has a 7.5° field of view, which is 131 m at 1,000 m. The minimum focus distance of the Fujinon 7×50 FMTR-SX is 9.8 m.
4. How much does the Fujinon 7×50 FMTR-SX weigh and how water resistant is it?
   The Fujinon 7×50 FMTR-SX weighs 1,410 g. FUJIFILM states a water resistance of 2 m for 5 minutes for the Fujinon 7×50 FMTR-SX and notes that this does not mean it can be used in water.
5. What is included with the Fujinon 7×50 FMTR-SX?
   FUJIFILM lists objective lens covers, an eyepiece rainguard, a soft case and a neck strap as bundled items for the FMT series, which includes the Fujinon 7×50 FMTR-SX. No battery is needed for the Fujinon 7×50 FMTR-SX.
6. What is the difference between the Fujinon 7×50 FMTR-SX and the 10×50 FMTR-SX?
   The Fujinon 7×50 FMTR-SX magnifies 7× with a 7.5° field of view and 23 mm eye relief. Compared with the Fujinon 7×50 FMTR-SX, FUJIFILM lists 10× magnification, a 6.5° field of view and 19.8 mm eye relief for the 10×50 FMTR-SX.