Featuring Kowa’s PROMINAR XD lenses, the TSN-660 Series delivers the perfect fusion between optical performance and portability.
Eyepieces sold separately.
|Kowa Prominar XD Lenses||Kowa’s HD Lenses (eXtra-low Dispersion glass with similar characteristics to fluorite crystal) combines with a special dispersion concave lens to reduce a very high percentage of chromatic aberration for the ultimate viewing experience.|
|Waterproof and Fogproof||The housing is waterproof to JIS Protection Class 7 and filled with dry nitrogen gas to prevent internal fogging to ensure image clarity.|
|All-Surface Multi-Coating||The all-surface multi-coating optical system provides a precise color definition for a brighter and sharper image.|
|Kowa’s KR Coating||Kowa’s KR coating protects the lenses from dirt and other foreign residues that may affix to the lenses during normal use. Fingerprints or oil can easily be removed with the proper lens cleaning techniques.|
|Objective Lens Effective Diameter||66 mm|
|Minimum Focusing Distance||6 m|
|Objective Lens||XD Lens|
|Filter Thread||72 mm|