Customization High Precision Large Size Optical Glass Periscope Prism Fused Silica Prism for Submarine Periscope Instrument

• Warranty: 3 Months
• Shape: Other
• Material: Optical Glass
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model Number: Periscope Prism
• Surface Quality: 60/40
• Angle Tolerance: +/-0.3′ or Customized
• Surface Flatness: 8 Lambda or Customized
• Bevel: 0.2-0.5mmx45°
• Flatness: Customized
• Diameter Tolerance: +/-0.1mm or Better
• Perpendicularity: ±2arc Min
• Coated: Black Painted or Customized
• Trademark: Jingyan
• Origin: Sichuan, China

Product Description

Customization High Precision Large Size Optical Glass Periscope Prism Fused Silica Prism for Submarine Periscope Instrument

Periscope prism Applicable for armored combat vehicles, submarines, tanks, armoured personnel carriers etc

Technical requirement	Commercial Grade	Precision Grade	High Precision
Size range	100-600mm	100-600mm	100-600mm
Dimensional tolerance	±0.1mm	±0.025mm	±0.01mm
Thickness tolerance	±0.1mm	±0.025mm	±0.01mm
Angle tolerance	±10´	±1´	±30´´
Surface quality	60-40	40-20	20-10
Surface accuracy	2.0λ	λ/10	λ/20
Bevelling	0.1-0.5mm*45°
Material	K9 / Fused silica or other optical glass

1. Customs Duties:
All the products shipping from China might cause tariffs.All the products S&F sells default FOB trading terms the buyer will take responsibility on all kinds of tax in
their country. If you have special requests about declarationplease leave messages to us when you place an order.

2. Delivery 
 ·All packages to Brazil need CPFnumber byDHL/UPS/Fedex/EMS
 ·All packages to Argentina need CUIT number byDHL/UPS/Fedex/EMS All packages by Chile need RUT number byDHL/UPS/Fedex/EMS
 ·All packages to Russia need the Full Name(First name+Mid name+Last name

2. Warranty 
If any quality problem found after your receiving the package within 7 days,pls provide proof of video or photos to uswe could offer refund or replacement once we confirm the problem.
For return and exchange,buyer holds responsibility of paying the freight of sending the product back,We will bear the freight of resending it