Products description
A periscope is an instrument for observation over, around or through an object, obstacle or condition that prevents direct line-of-sight observation from an observer's current position.
Principle of the periscope.
A - Periscope using two plane mirrors.
B - Periscope using two right-angled prisms.
1 - 2 - Plane mirrors.
3 - 4 - Right-angled prisms.
5 - 6 - Observer eye.
7 - 8 - Periscope tube.
H - Periscope optical height.
A large dimensional prism is commonly used for periscope which is used on tanks, submarines special carriers. Shape can be dove prism and right angle prism.
| Material |
BK7, sapphire, SF11, Si, Ge and other optical glasses |
| Diameter |
1mm-150mm |
| Dia. Tolerance |
0.001mm - 0.003mm |
| Sphericity |
0.001 |
| Clear Aperture |
95% |
| Surface Quality |
20-10 |
Picture of our Periscope Prism
Company Introduction
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VY Optics could also manufacture and design other optical elements, including achromatic lens, dome lens, filter, prism, ball lens, cylindrical lens, optical mirrors, spherical lens and rod lens, we can fabricate high-precision lens as per your requested.
>> FAQ
Q:
Do you provide samples? Is it free or charged?
· We'd like to supply samples for free if we have it in stock, but we don't pay freight.
Q:
How long is your delivery time?
· Regarding inventory, it is 3 working days;
· For customized one, it's about 15-25 working days, depended on exact quantity and order date.
Q:
Is it possible to customize special lens?
· Yes, to customize special optical element and coating are available here.
Q:
How to pay?
· T/T, Ali online assurance payment, MoneyGram, West Union, Paypal and so on.
Q:
How to ensure the safety of payment?
· VY Optics is a reliable supplier not only audited on Ali, but also on Made-in-China, reputation and quality is life of our company, and we support Ali Trade Assurance.
Q:
How do you ship goods?
· Low value sample: EUB, E Express of China Post, which is cheap;
· Light weight parcel: DHL, FedEx, TNT, UPS, EMS, SF Express, China Post;
· Heavy cargo: by air or by sea, ship on pallet.
Our company enjoy a considerable discount owing to long-term cooperation with courier company.
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