Coated N-BK7 Double-concave Lens - WHL

1. High accuracy, 2. Competitive price, 3. Fast lead time - more info check here: http://www.buymeasuringtools.com/Coated-N-BK7-Double-concave-Lens-10218976/

Quick Brief

Place of Origin: Jilin China (Mainland) Brand Name: Worldhawk Model Number: WHL Material: Glass Usage: Optical Structure: Double Concave Shape: Spherical

Product Features:

1. High accuracy

2. Competitive price

3. Fast lead time

Business Terms:

Port: Changchun

Minimum Order Quantity: 10 Piece/Pieces

Supply Ability: 10,000 Piece/Pieces per Month

Payment Terms: T/T

Contact Supplier

Product Packagings & Delivery Terms:

Packaging Detail: firm carton case

Delivery Detail: 15-30 work days after confirmation

Specifications and Product Details:

Specification:

Diameter (mm)	9.00
Diameter Tolerance (mm)	+0.0/-0.10
Clear Aperture CA (mm)	≥90% of Diameter
Effective Focal Length EFL (mm)	-9.00
Back Focal Length BFL (mm)	-9.61
Focal Length Tolerance (%)	±1
Radius R₁=-R₂(mm)	-14.60
Edge Thickness ET (mm)	3.48
Center Thickness CT (mm)	2.25
Center Thickness Tolerance (mm)	±0.1
Centering (arcminutes)	3 - 5
Surface Quality	60/40
Bevel	0.25mm x 45°
Substrate	N-BK7
Coating	As Required