Kowa TSN-553 15-45x55 Prominar Fluorite Crystal (FC) Angled Spotting Scope

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138913
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product overview
product overview
  • Fluorite crystal lens
  • Fully multicoated lenses
  • KR coating
  • Dual focus
  • Compact and lightweight
  • Built-in powerful zoom eyepiece
  • Nitrogen filled and waterproof
  • Angled body

The Kowa TSN-553 15-45x55 Prominar Fluorite Crystal (FC) Angled Spotting Scope is a brand new addition to the Kowa Prominar line of exceptional spotting scopes, delivering simply the best optical performance available today.

At the heart of the TSN-550 PROMINAR series spotting scope beats a fluorite crystal objective lens. This natural mineral has an outstanding feature of very low dispersion that cannot be found in optical glass. This characteristic enables Kowa to eliminate colour blur almost completely and dramatically increase resolution and contrast. Fluorite is considerably more difficult to handle than optical glass, it requires highly advanced processing technology.

All lenses, prisms, and dustproof glass are fully multicoated, ensuring sharp images and a clear visual range.

The first thing you’ll notice when you unbox your new Kowa TSN-553 is its exceptionally compact body. Measuring just a mere 270mm in length and weighing only 800g, your Prominar 553 spotter makes the perfect travel companion.

The housing of your Kowa spotter is completely waterproof and filled with dry nitrogen gas to prevent the lenses from fogging even in the dampest of environments.

A responsive twist 15-45x zoom eyepiece (Non-changeable) means you can enjoy clear, close up views of your subject.

Kowa has further progressed their well-established focus system, with a new dual focus system. The quick focus, with a large and easy to turn the knob, will focus from infinity to three meters in two revolutions. The fine focus, with smooth movement and pinpoint accuracy, is extremely useful at high magnifications and for digiscoping systems.

If you’re looking for a truly unique spotting scope, designed to make your journeys truly memorable and immersive, then look no further then the TSN-550 spotting scopes.


Key Features of the Kowa TSN-553 15-45x55 Prominar Fluorite Crystal (FC) Angled Spotting Scope

  • Fluorite crystal lens
  • Fully multicoated lenses
  • KR coating
  • Dual focus
  • Compact and lightweight
  • Built-in powerful zoom eyepiece
  • Nitrogen filled and waterproof
  • Angled body

Optical Performance

  • Wide 15-45x fixed zoom eyepiece
  • 55mm aperture
  • Porro prism optical path
  • Ultra-low dispersion PROMINAR fluorite glass elements eliminate chromatic aberration, which causes halos, astigmatism, and fringing, for improved colour rendition and contrast
  • Fully multi-coated optics maximize light transmission through the lens to improve image brightness, colour rendition, and contrast
  • 132-69' field of view at 1000 yards

Use and Handling

  • 45° angled eyepiece to place the user's head in a comfortable viewing position when sitting, standing, or lying prone
  • Integrated aiming sight
  • Smooth and precise fine and coarse two-speed focusing mechanism moves through the entire focus range in two turns
  • Rubberized and textured zoom collar and focusing wheel
  • 58mm objective lens filter threads
  • Twist-up eyecup for comfortable use with or without eyewear
  • 3/8"-16 and 1/4"-20 mount to accommodate most photo, video, and field tripods
  • Long 16.5-16mm eye relief
  • 3.7-1.2mm exit pupil

Construction Details

  • Lightweight and impact-resistant polycarbonate chassis
  • Nitrogen filled, IPX7-rated to be waterproof and resistant to internal fogging when moving through extreme temperature changes and conditions
  • Oil-resistant KR exterior lens coatings make it easy for dirt, sap, and oil to be cleaned off without smudges or residue
  • Retractable sunshade reduces glare and lens flare and keeps snow and rain off the objective for clearer viewing
  • Extremely lightweight: 0.79 Kg

  • MPN - KWTSN-553
  • GTIN - 4987646102229
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Design

Viewing Angle Angled

Performance

Magnification 15 to 45x
Objective Lens Diameter 55 mm
Field of View 15x:132.0' @ 1000 yd / 43.9 m @ 1000 m
45x:69.0' @ 1000 yd / 23.0 m @ 1000 m
Minimum Focus Distance 9.8' / 3.0 m
Exit Pupil Diameter 15x:3.7 mm
45x:1.2 mm
Eye Relief 16.5 to 16.0 mm

Features

Fogproof Yes, Nitrogen Filled
Water Resistance Waterproof

General

Filter Thread 58 mm
Tripod Mounting Thread 1/4"-20, 3/8"-16
Dimensions L: 10.6 x H: 6.0 x W: 2.6" / L: 26.9 x H: 15.2 x W: 6.6 cm 
Weight 28.5 oz / 808.0 g
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  • Kowa TSN-553 15-45x55 Prominar Fluorite Crystal (FC) Angled Spotting Scope
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