Payment & Shipping Terms:
|Near Focus:||4.5m||Optical Material:||FMC Optical Glass|
bird watching binoculars,
high definition binoculars
Bak4 Prism 8x40 Porro Prism Binoculars Fogproof Telescope Blue for Adults
Fully Multi-coated Lens
All lens are fully multi-coated, light transmittance is 95% above, colorful image provided.
Advanced BAK4 prism with coating, designed for porro system, getting bright and crisp film than BK7 prism.
Wide Angle View
Special designed optical system achieves wide view angle at 8°. See more scene at long distance.
Large Objective Lens
40mm large objective lens for brighter film with less aberration.
Nitrogen Filled Lens
100% pure nitrogen filled lens getting IPX7 waterproof / fog proof / dust proof performance, working perfect in bad condition.
Metal screw interface for tripod, connecting more stabilized and durable also.
Rubber Skin Surface
Rubber skin covered surface with Anti-slip pattern design. Stabilized handle feeling for long time use.
Soft Rubber Eyecup
Soft fold-down rubber eyecup, touching more comfortable compared with twist-up eyecup.
Porro Prism light path is fully reflect by the prism inside, which almost no light loss in whole optical system, film brighter and own high definition. While roof prism need special coating process to avoid phase difference in multi-refraction, also the film with light loss will be dark. Based on same optical performance, porro prism has more competitive price than roof prism.
Objective Diameter 40mm
Field of View (1000m) 140m/420ft
Field Angle 8°
Near Focus 4.5m
Exit Pupil 5mm
Eye Relief 16.7mm
Focus System Center Focus
1) Customized card: Thank you card for your customer
2) Accessories: Tripod / mobile holder
3) Logo: logo printing on binoculars / wiping cloth / strap / carry bag
4) Customized gift box: with your own logo and pattern
1) Inner Box: binoculars / wiping cloth / strap / instruction note / soft carry bag
2) Master Carton: 12 units per carton / size 49x37x45cm / G.W.:22KG
3. Payment: Accept T/T / Paypal / L/C or other payment method according to your convenience
4. Warranty: 2 years limited warranty
5. Delivery & Shipping:
1) Production starts after down payment confirmed.
2) Order deliver after fully payment confirmed.
3) Order production time 15-30 days.
1) For small quantity order or sample order, we suggest DHL and EMS.
2) For large quantity order we suggest shipping by sea or air way.
Multi-coated Optical Glass
Contact Person: Jane Tian