Kowa TSN-554 15-45x55 PROMINAR Spotting Scope (Straight Viewing)

Kowa TSN-554 15-45x55 PROMINAR Spotting Scope (Straight Viewing)

Kowa TSN-554 15-45x55 PROMINAR Spotting Scope (Straight Viewing)

B&H # KOTSN554 MFR # TSN-554
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Product Highlights

  • Straight-Through Viewing
  • 15-45x Zoom Eyepiece
  • 55mm Objective Lens
  • Ultra-Low Dispersion PROMINAR Glass
  • Porro Prism Optical Path
  • Fully Multi-Coated Lenses
  • Lightweight Polycarbonate Chassis
  • Nitrogen Filled, Water and Fogproof
  • 1/4"-20 or 3/8"-16 Tripod Mount
  • Fine and Coarse Two-Speed Focusing
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Viewing Angle: Straight-Through Viewing

45° Angled Viewing Straight-Through Viewing

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Kowa TSN-554 overview

  • 1Description

At less than a foot long, the straight-through viewing Kowa TSN-554 15-45x55 Spotting Scope is the ideal companion wherever you go to glass. It employs the ultra-low dispersion PROMINAR fluoride glass that eliminates chromatic aberrations that, when coupled with the fully multi-coated optics and two-speed focusing mechanism, produce bright and clear tack-sharp high-contrast images with accurate color rendition for an immersive observational experience. The impressive zoom range allows you to take in a wide field of view for general viewing purposes, with the ability to draw subjects in close for more detailed observations. This version of the TSN-550 is configured with the eyepiece set in-line with the optical tube for straight-through viewing to make acquiring subjects easy and tracking moving subjects fast.

To reduce weight, without sacrificing strength or durability, the chassis is made of a polycarbonate material and wrapped in a slip-resistant armoring. A rubberized and textured zoom collar and focus wheel make adjustments fast and easy, even when wearing gloves. The optical tube is nitrogen filled and O-ring sealed to be waterproof and resistant to internal fogging when moving through extreme temperature changes or environmental conditions. To increase your mounting options, the TSN-554 comes outfitted with both a 1/4"-20 and 3/8"-16 tripod attachment—making it compatible with most photo, video, and field tripods on the market.

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 color rendition and contrast
  • Fully multi-coated optics maximize light transmission through the lens to improve image brightness, color rendition, and contrast
  • 132-69' field of view at 1000 yards
Use and Handling
  • Straight-though viewing eyepiece makes finding subjects fast and tracking moving targets easy
  • 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 makes 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: 28 ounces
UPC: 879110005089
In the Box
Kowa TSN-554 15-45x55 PROMINAR Spotting Scope (Straight Viewing)
  • Limited 10-Year Warranty
  • Table of Contents
    • 1Description

    Kowa TSN-554 specs

    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 - 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: 11.3 x H: 3.4 x W: 2.6" / L: 28.7 x H: 8.6 x W: 6.6 cm 
    Weight 28.2 oz / 799.5 g
    Packaging Info
    Package Weight 3.11 lb
    Box Dimensions (LxWxH) 12.9 x 7.4 x 3.5"

    Kowa TSN-554 reviews

    TSN-554 15-45x55 PROMINAR Spotting Scope (Straight Viewing) is rated 5.0 out of 5 by 3.
    Rated 5 out of 5 by from Kowa TSN-554 Review I primarily use this scope for birding and found it to be just what I wanted: light weight, easily carried in a day-pack, easily focusing and great resolution and clarity at all ranges. My only problem is that it is so short, when used on a car window mount, I had to add a four inch extension mounting plate to bring it further into the car for easy viewing - minor problem and easy to fix. Went with the "straight viewing" version as angled version doesn't easily work on a car window mount. Now I just need to figure out a digiscoping mount for a "point-and-shoot" camera.
    Date published: 2018-06-18
    Rated 5 out of 5 by from Beautifully clear and compact Great value, compact and lightweight, superbly engineered. I would purchase again if I needed another
    Date published: 2018-07-16
    Rated 5 out of 5 by from Superb Spotting Scope Outstanding edge to edge clarity even at 45X. The fine focus adjustment is a great feature allowing precision focusing.
    Date published: 2018-09-19
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