7x Magnification
is the marine standard, with a wide, stable image for tracking other boats, buoys and bridge numbers even in rough water.
High Contrast Optics
provide bright, sharply contoured images with natural color definition for outstanding viewing quality suitable for both beginners and professionals.
Floating Prism System
uses flexible silicon lens mount to absorb severe shock, impact and abuse without damage
Sports-Auto Focus™ System
lets you focus each eyepiece to your vision once, then keeps images razor sharp from 20 yards to infinity. No more chasing focus on moving objects.
Makrolon® housing
is durable polycarbonate with NBR Long Life rubber armoring, creating a lightweight, rugged chassis that withstands 11 Gs of impact. Impervious to harsh conditions for generations of trusted use.
N2 injection™ system
seals 14-psi pressurized dry nitrogen into the optic, for fogproof clarity in any condition - from artic cold to desert heat.
MSRP | $319.99 |
---|---|
Item Number | 3521 |
Magnification | 7x |
Objective Lens Diameter | 30 |
Field of View at 1,000 yds. (ft) | 370 |
Focus System | Sports-Auto-Focus™ |
Optics System | High Contrast |
Close Focus | 66 |
Exit Pupil (mm) | 4.28 |
Luminosity | 18.36 |
Twilight Factor | 14.49 |
Eyecups | Cylindrical |
Rubber Armoring | NBR Long Life |
Waterproof | Submersion to 6 Ft. |
Weight(oz.) | 18.5 |
Dimensions (HxWxL) | 4.2 x 6.5 x 3.0 |
Neck Strap | Comfort |
Neck Strap Attachment | Standard |
Objective Cover | Yes |
Rain Protection Cap | Yes |
Carry Case | Yes |
Warranty | Heritage™ Warranty |