Kowa TSN-664M 66mm PROMINAR XD Spotting Scope (Straight Viewing, Green)

Kowa TSN-664M 66mm PROMINAR XD Spotting Scope (Straight Viewing, Green)

Kowa TSN-664M 66mm PROMINAR XD Spotting Scope (Straight Viewing, Green)

B&H # KOTSN664M MFR # TSN-664M
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Product Highlights

  • Straight Viewing
  • Eyepiece Required for Use
  • 66mm Objective Lens
  • Extra-Low Dispersion PROMINAR XD Lens
  • Anti-Reflection Multi-Coating
  • Nitrogen Filled, Water and Fogproof
  • Magnesium-Alloy Body
  • Rotatable Tripod Collar
  • 1/4"-20 Tripod Threading
  • Coarse and Fine Focus Adjustments
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Viewing Angle: Straight Viewing

Angled Viewing Straight Viewing
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Kowa TSN-660 overview

  • 1Description

The green, straight-viewing TSN-664M 66mm PROMINAR XD Spotting Scope from Kowa features high-quality optics built into a body that is designed for reliable use under a variety of viewing conditions. Measuring 12.3" long and constructed from magnesium alloy, this durable scope can provide a wide angle or a versatile viewing range depending on which separately available eyepiece is installed on it.

Compatible Kowa eyepieces include the TE-14WD 30x Wide-Angle Eyepiece, the TE-17HD 25x Long Eye Relief Eyepiece, and the TE-9Z 20-60x Zoom Eyepiece.

While in use, the TSN-664M 66mm Spotting Scope's PROMINAR XD (extra-low dispersion) lens and a concave dispersion lens work together to minimize chromatic aberrations. Additionally, multi-coated optical surfaces help to consistently maximize light transmission, sharpness, and color fidelity.

A nitrogen fill prevents fog accumulation and an O-ring sealed waterproof construction further adds to the rugged design of the TSN-664M 66mm Spotting Scope. Conforming to JIS (Japanese Industrial Standard) Protection Class 7 waterproofing, this scope can withstand momentary immersion, assuming the eyepiece mount is not open and exposed.

Optical Performance
  • 66mm objective lens
  • PROMINAR XD lens and a dispersion concave lens help to minimize chromatic aberrations
  • Multi-coated optical surfaces minimize reflections while helping to maximize light transmission, sharpness, and color fidelity
Use and Handling
  • Smooth and coarse focus knobs
  • Integrated sunshade
  • Rotatable tripod collar with 1/4"-20 threading
Construction Details
  • Magnesium-alloy body
  • Nitrogen filled to be fogproof
  • O-ring sealed to be waterproof
UPC: 879110006666
In the Box
Kowa TSN-664M 66mm PROMINAR XD Spotting Scope (Straight Viewing, Green)
  • Front Lens Cap
  • Rear Eyepiece Mount Cap
  • Limited 10-Year Warranty
  • Table of Contents
    • 1Description

    Kowa TSN-660 specs

    Viewing Angle Straight
    Objective Lens Diameter 66 mm
    Minimum Focus Distance 19.7' / 6.0 m
    Water Resistance Waterproof
    Filter Thread 72 mm
    Tripod Mounting Thread 1/4"-20
    Dimensions L: 12.3" / L: 31.2 cm 
    Weight 2.2 lb / 1.0 kg
    Packaging Info
    Package Weight 3.4 lb
    Box Dimensions (LxWxH) 14.5 x 6.0 x 5.4"

    Kowa TSN-660 reviews

    TSN-664M 66mm PROMINAR XD Spotting Scope (Straight Viewing, Green) is rated 5.0 out of 5 by 3.
    Rated 5 out of 5 by from High quality optics High quality optics in a lightweight portable package. I am very impressed with the quality of this product. Construction is first rate and very solid with good ergonomic features. The optics are amazing with no color fringing or distortion. I use the scope with a KOWA TSE-Z9B 20-60x eyepiece, another quality item. I am amazed every time I use this scope at the distances I can see, with such detail! I can spend hours looking through the scope enjoying all the detail that has been hiding in plain sight. You can even get photos using and iPhone held up the eyepiece The image is surrounded by a black circle but the detail is amazing. I would recommend the CNW-10 Kowa Cordura Carrying Case. The case is great and is very fast to open and offers protection from bumps and scrapes. You will also need a solid tripod and head as any vibration is easily seen at the high magnification this scope is capable of.
    Date published: 2011-04-30
    Rated 5 out of 5 by from The best midsize spotting scope for the money! This is the best Spotting scope I have owned! It is replacing one that cost almost double last year. The Kowa is crystal clear to the edge and is great in low light conditions. I went with a straight 30x eye piece and couldn't be happier. I use the spotting scope on back country hunts because it is light weight and an unbelievable piece of glass. I will be adding more Kowa to my list of fine optics.
    Date published: 2017-10-17
    Rated 5 out of 5 by from Great Spotting Scope A high quality, well built product. Optics are very clear, crisp and bright.
    Date published: 2013-10-04
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