>> Product Description The hemisphere dome we
manufactured be used to protect the lens of underwater camera,
which could resist the pressure of water, and give a best view
field to catch picture. >> SpecificationSpecification
of hemisphere dome we could supplied as follow: Materials:
BK7 glass, UV fused silica etc., various types of optical
glass. Diameter: From 10 to 250 mm. Diameter Tolerance:
0.1 mm, standard; 0.01 mm - attainable. Surface Quality:
60/40 Scratch/Dig, standard; 20/10 Scratch/Dig, attainable
depending on material type and combination of other
parameters. Power/Irregularity: 5/1 (interference fringes),
standard; 0.5/0.1 (interference fringes), attainable depending on
material type and combination of other parameters. Aperture 60
deg. Decentration: 0.05mm, standard; 0.01, attainable.
Range of diameterDia.0.7mm-Dia.400mmRange of curve radiusR1.5-R∞
etc.Tolerance of diameter+/-0.1, +/-0.01, +/-0.005 etc.Surface
accuracyλ , 1/2λ , 1/4λ , 1/10λ etc.Tolerance of
Thickness+/-0.1, +/-0.05, +/-0.01 etc.Centration+/-2′,+/-1′
etc.Aperture N5, 1 etc.Irregularity ΔN2, 1, 0.5, 0.2 etc.Surface
quality60/40, 40/20, 20/10, 10/5 etc.>> Company
Introduction>> Related Products 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. >> FAQQ: 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,
Alibaba 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 Alibaba, but also on Made-in-China, reputation and
quality is life of our company, and we support Alibaba 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. Saphhire
Hemispherical Dome Lens for Subsea Camera/* March
10, 2023 17:59:20 */!function(){function s(e,r){var
a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
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