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URL: http://www.thaiexcite.com/SVBONY-IR-Pass-685nm-Filter-2-.html

ฟิลเตอร์ SVBONY IR Pass 685nm Filter, 2"

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ผู้ผลิต

SvBony

จำนวนในสต๊อก

เหลือ 2 ชิ้น

น้ำหนัก

50.00 g

ราคาของเรา

฿1,990.00

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ฟิลเตอร์ SVBONY IR Pass 685nm Filter, 2"

Reduction of seeing effects, heightened contrast
Great asset for daylight IR-imaging with a digital camera lessening seeing effects
Improved contrast when utilized for lunar and planetary imaging
Darken twilight sky background, allowing images of moon and planets to be taken at dawn or dusk
Made with high-end glass: multi-coated with ion-assisted deposition technology to ensure scratch resistance and stability on the central wavelength
Filter cell made of lightweight, strong metal. CNC machined, sand-blasted, black anodized, then laser engraved.
Super thin filter cell with clear aperture of 26mm (for 1.25" version) or 44mm (2" version)
Can also be used for nature photography in the Near-IR, revealing stunning differences in plants, sky, and clouds (requires the use of a camera that is sensitive to IR above 670nm, such as a modified DSLR or webcam)
Presented in a high-quality filter box

Svbony SV183 .jpg SV183 IR Pass 685nm filter.jpg IR Pass filter.jpg W9142 IR Pass 685nm filter.jpg W9142 filter.jpg IR Pass.jpg

SPECIFICATIONS

Model	W9142A	W9142B
Size	1.25-Inch	2-Inch
Thread	M28.5*0.6	M48*0.75
Clear Aperture	26mm	44mm
Net Weight	8g / 0.3oz /0.02lb	15g / 0.53oz /0.03lb
Lens Material	SCHOTT B260
Frame Material	Aviation Aluminum 6061T6
Substrate Thickness	1.1mm
Surface Quality	60/40
Surface parallelism	1/4 λ
Parallelism	30”
Single Thread	YES
Blocking	OD2@400-660nm
Wavelength Range	350-1100nm
λ cut-on	670nm
Peak transmittance	670nm@T=50% 673-1100nm@T>95%

About SvBony

Svbony started operation in 2009 as a manufacturer of astronomy and sports optical accessories, based in Shenzhen, China. For astronomy, Svbony offerings include a wide range of telescope parts and adapters for both visual and astrophotography. Svbony emphasize on good product quality at affordable prices, and has a distribution network across the world, with US/AU/UK/ES/DE/IT/FR oversea warehouses. Amateur astronomers world-wide recognize Svbony products to be of excellent value. Svbony also has one of the most varieties of hardware adapters for astrophotography - you will likely find a solution to a hardware connection problem you have.