The TSN-883 Angled 88mm PROMINAR PFC Spotting Scope is a world-class spotter that redefines the standards of color brilliance, sharpness, and brightness.
The TSN-883 uses an element of pure fluorite crystal (PFC) glass in its construction, which greatly minimizes chromatic aberration. This ensures maximum efficiency in its light-gathering, producing a clear visual range and sharp imagery that traditional glass lenses cannot attain at their highest magnifications and with the strongest of subject/background contrast changes. Fluorite is extremely expensive, but the subtle difference between the viewing from the PROMINAR-equipped TSN-883 and even the very best normal scopes would be apparent even to a novice. Kowa's use of their patented C3 prism multi-coating process increases image brightness significantly over their prior-generation models that featured flourite.
The 883's housing is made of a magnesium alloy that defines maximum durability and lightweight construction, resulting in a compact, ergonomic, and functional design for extreme nature and outdoor enthusiasts wanting only the very best. It sets a benchmark for the combination of the large objective with small weight and mass.
As the angled viewing model of Kowa's flagship line, this scope makes sharing the viewing among multiple observers quite easy and is also generally considered more comfortable for longer glassing sessions. An angled scope allows for a slightly smaller, shorter tripod and requires a bit more experience to quickly locate the subject in the scope.
Extremely bright 3.5" objective lens garners a better view in any lighting
PROMINAR fluorite crystal objective lens element
Magnesium alloy construction aids weight/brightness ratio
Body's colour tone won't alarm wildlife
Phase-corrected Schmidt-Pechan prism with C3 dielectric prism coating, superior to aluminium, mirror, and silver-backed prism systems
Dual-speed coarse/fine focusing system
Rotating tripod collar with detented intermediate stops
Extreme water and fog-proof performance (JIS protection class 7)
Multiple available specialty eyepieces
Quick-aiming sightline aids in object locating
Sliding, rubber armored sunshade (with 95mm filter thread) shields objective from rain and stray light
Easily adapted to SLR cameras, digital point & shoot cameras, and video cameras with optional accessories
Specifications of Scope:
Angled or Straight
Objective Lens Diameter
Minimum Focus Distance
16.4' / 5.0 m
L: 13.5" / L: 343.0 mm
3.4 lb / 1520.0 g
Specifications of Eyepiece:
With TSN-880/770 Scopes: 25 to 60x With TP556 Scopes: 28 to 66x
Angle of View
With 77 mm, 88 mm Scopes: 2.4 to 1.3° (Actual) With TP556: Scopes: 2.2 to 1.2° (Actual)
Field of View
With TSN-880/770 Scopes: 126 to 69' @ 1000 yd / 42 to 23 m @ 1000 m With TP556 Scopes: 114 to 63' @ 1000 yd / 38 to 21 m @ 1000 m
Exit Pupil Diameter
With TSN-880 Scopes: 3.5 to 1.5 mm With TSN-770 Scopes: 3.1 to 1.3 mm With TP556 Scopes: 3.2 to 1.3 mm
ø: 2.2 x L: 3.4 to 4.4" / ø: 5.5 x L: 8.7 to 11.1 cm
13 oz / 370 g
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