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Kowa TSN-663 2.6"/66mm Spotting Scope with Flourite (Requires Eyepiece)

B&H # KOTSN663 Mfr # TSN-663
In Stock: Shipping Only
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You Pay: $824.95
Product Highlights
  • Waterproof & Fogproof
  • Angled Viewing
  • Flourite Glass

Kowa enjoys a spectacular reputation of enduring quality internationally, where there are large numbers of nature enthusiasts.

Kowa's 66mm series employ the great features of their world class flagship model, the TSN-821 M, in a smaller scope. Despite having a larger front element than two well-known 65mm scope competitors, the heaviest of the Kowa versions is still lighter than the lightest of their European brethren.

It is entirely a matter of personal preference best determined by experience, but many feel that angled scopes offer a more comfortable position for extended viewing periods. They're usually a bit easier to share amongst multiple users of varying heights as well.

The TSN-663 uses an element of ED(extra-low dispersion) glass in its construction, which greatly minimizes chromatic aberration. Most spotting scopes are essentially refractor telescopes built for harsh abuse, with permanently included prisms to render the terrestrial world upright and laterally correct. For all their contrast and resolution, refractor telescopes did fall out of favor with astronomers for their false coloring at the image periphery(chromatic aberration).

This problem becomes more prevalent the larger and longer the refractor is and is easily seen in astronomy-but much harder to detect in birding, for example. But if you view a bird in front of a bright sky background with a normal scope, you'll see some fringing on the edge of the subject where it meets the sky in your view. This may appear as a blue or purple hazy line. Glass with ED elements greatly reduce this effect.

Full multicoatings on all lenses and prisms
360° rotating base with click stops allows usage from many angles-even overhead
Quick-aiming sightline aids in object locating
Sliding sun shade shields unnecessary light and raindrops while providing protection for the front element (which has a 72mm filter thread)
Sealing and O-ring purging which lets you scoff at conditions
Adaptable to 35 mm SLR cameras, digital cameras, and video cameras with optional photo adapter
Metal alloy & carbon fiber rubber-armored construction
Objective Lens Diameter 66mm
Minimum Focus Distance 19.7' (6.0 m)
Weatherproofing Waterproof & fogproof
Dimensions 12.2" (311mm)
Weight 2.29 lb (1040 g)
Kowa TSN-663 2.6"/66mm Spotting Scope with Flourite (Requires Eyepiece)
  • Front & Rear Caps
  • Limited Lifetime Warranty
  • Eyepieces & Accessories

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    Required item: Please be sure to purchase a compatible eyepiece in order to enjoy this spotting scope.

    Kowa -  TE-9Z 20-60x Zoom Spotting Scope Eyepiece
    • You Pay: $339.95
     

    Cleaning & Anti-Fog

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    Help keep your optics clean & fog free with these tools.

    Pearstone -  Microfiber Cleaning Cloth, 18% Gray (7 x 7.9")
    • You Pay: $4.99
     

    Strap your device securely & carry in comfort.

    Kowa -  66mm Angled Carrying Case
    • You Pay: $64.95
     

    Protect your lens or shade your lens from unwanted stray light.

    Tiffen -  72mm UV Protector Filter
    • You Pay: $14.99
     

    Digiscoping

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    Capture photos through the eyepiece of a birdwatcher's spotting scope.

    Kowa -  TSN-DA1 Digiscoping Digital Camera Adapter
    • Price: $140.00
     

    Attaches to lenses VIA Outside of Eyepiece, DA-1 Series Adapter ring is required. See mounts and supports.

    Tripods and Window Mounts

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    Steady your scope with the support and stability you need.

    Manfrotto -  MK393-HM Photo-Movie Aluminum Tripod QR Kit (Black)
    • You Pay: $59.90
     

    Mounts and Supports

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    Attach TSN-DA1 Digiscoping Digital Camera Adapter with these mounts

    Kowa -  DA-1 Series 58mm Filter Adapter Ring
    • You Pay: $45.00
     

    Rugged Scoping Accessories

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    Enhance your glassing or trekking sessions with these useful tools.

    Celestron -  TrekGuide Digital Compass (Black)
    • You Pay: $22.00
     
    View all Accessories
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