These high-performance models have been created by balancing
size and performance. The superior optical design inherited
from the TSN-820M Series gives the TSN-660 Series features on
a par with much larger scopes in a smaller, more compact size.
These sophisticated scopes satisfy the needs of users in all
fields, from beginning bird watchers to scientific researchers.
66mm Objective Lens
The lens has mor than 120% the light gathering capability
of a 60mm objective lens, ensuring a brighter field of view
for observation.
High-end models with "Prominar" ED Lens
For those seeking higher optical performance, the TSN-663and 664
Prominar models have ED (extra-low dispersion) objective lenses.
Fully Multi-Coated Optics
All lenses, prisms, and even dust protection glass
on the main body are built with multi-layered coatings,
ensuring clear visual range and sharp images.
Rigid Body and Ergonomic Shape
Strong yet lightweight, polycarbonate materials,
including carbon fiber, are used in the body, providing
a rigid structure that can endure hard usage. The
shape is designed for ease of handling and ergonomic
fit in the hand.
Waterproof and Filled with Nitrogen Gas
The housing is waterproof to JIS Protection Class
7* and filled with dry nitrogen gas to prevent the
lens from fogging. Not intended for underwater use.
|