Double Concave Lens
A double concave lens/double concave mirror has a negative focal length, thereby causing collimated incident light to diverge. The double concave lens/mirror has an equal radius of curvature on both sides of the lens. They are generally used to expand light or increase focal length in the existing system, such as beam expander and projection systems.
Description Of Double Concave Lens/Mirror
The double concave lens of Ecoptik has a negative focal length, thereby causing collimated incident light to diverge. A double concave lens has an equal radius of curvature on both sides of the lens.
As a professional custom lens manufacturer, Ecoptik has high-quality optical component for sale. Welcome to contact us if needed.
Contact : Wu Sandy, +86 (431) 8188 4163
Good deal: buying from seller
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59590 B2B ServicesReport abuse
Wednesday, September 14, 2016
Quantity : 5000 - Price : 50,00 €
Gland Packing Globe Valves ( Straight- Through Type) DIN Standard Gland Packing Globe Valve DIN Globe valve DIN Stop valve DIN Absperrventil Durchgangsform DIN Válvulas de globo DIN ventil uzavírací s klasickou ucpávkou přímý DIN Standard seteventiler med pakkboks (rett løp...)
ETM Armaturen
- 59590 - Henri Durre
- 86 577 67953935
42952 Second hand goodsReport abuse
Saturday, November 15, 2014
As owner, we have for sale : * Man-Roland R 504 HOB, Year 2007 53x74 - 4 colors - Straight line - Equipped with: - RCI 2 Consol - Techkon ExPresso Densitometer - PPL (Semi-Automatic plate changing) - All Automatic Waching Devices : Blanket, Impressions Cylinders & Inking...
ACS DIFFUSION s.a.s.
- acsdiffusionsa
- 42952 - Saint-Etienne
- 0033 (0)4 77 92 77 88
- 06 10 63 37 83
50100 Everything else / BulkReport abuse
Tuesday, January 06, 2026
Quantity : 80000 Ream - Price : $0.79/Ream for 8000
SPECIFICATION PaperOne Copy paper A4 80Gsm Features Of A4 Paper One Copy Paper 80Gsm : Substance G/M2 80 + - 2.5 - Substance Variation Cd - Thickness Difference Cd % Equal To/Below 10 - Brightness % 100-102 - Opacity % Equal To/Below 90 - Breaking Length Average M Equal To/Above...
NATH LAOH LTD
- 50100 - Chiang Mai
- +66 9 95 35 59 56
