Optolong L ultimate No Lens Flare Ultra narrowband Lens Filter Color Camera Photography Filter For DSLR
- Category: Camera Filters >>>
- Supplier: Optolong Optics Co. Ltd
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Product Overview
Description
Product Description
Brief Introcuction of Astronomical Filter L-Ultimate
Optolong L-Ultimate —— It's about a 3nm dual band designed to drastically reduce the effect of light pollution, the 3nm isolates the nebulae's emissions into H-Alpha (red) and OIII (green-blue). It blocks light pollution, maximizes the signal from nebulae, and darkens the sky background. It also blocks artificial light from mercury vapor lamps, high and low pressure sodium vapor lights, and unwanted natural light caused by the emission of neutral oxygen in our atmosphere.
Specification
Substrates | Optical imaging glass |
Surface Quality | 60-40 |
Spectrum | OIII 3nm Ha 3nm |
FWHM | Narrowband 3nm |
Size | 2" |
Transmitted Wavefront RMS | λ/4 |
Parallelism | 30s |
Feature1 | Maximizes the transmission of the main emission lines of the nebula in OIII (496nm and 500nm) and H-alpha (656nm). Used with DSLR,color/MONO CMOS and CCD, however, this filter is not suitable for fast ratio systems. |
Feature2 | The sky background of the image is darker, and the contrast between the nebulae and the signal-to-noise ratio are improved to the greatest extent. In heavy light pollution areas, the product can also selectively filter light pollution and clutter signals through the emission lines of nebulae, and finally avoid the impact of light pollution on astrophotography. |
Feature3 | You will get a darker sky background, more contrast of the image and the suppression on stars. L-Ultimate has also been optimized in terms of halo performance, so that there is no obvious halo when shooting on a bright star object. |
Company Profile
Company story
Optolong Optics Co.,ltd supply fluorescence filters and astronomical filters form 1999, we have distributor around the word and had 20 years of experience in the filter industry, mainly including standard products for fluorescence filters, OEM products, and standard products for astronomical filters. Regarding the company details,please browse our website:
Astronomical Filters website://optolong.com/cms/index/index.html
Fluorescence Filters website:https://optolongfilter.com/
Astronomical Filters website://optolong.com/cms/index/index.html
Fluorescence Filters website:https://optolongfilter.com/
Our Advantages
Company and main product introduction / Hot Sale Products
Company profile: We are a china manufacturer of astronomy filters, fluorescence filters and microscops cubes since 1999.We can customize 240-1200nm optical filter products Main products are as follows:
1. Bandpass Filters 200-2000nm for optical sensor and imaging processing application.
2. Fluorescent filters standard: Bandpass : DAPI, FITC, TRITC, TexasRed, Cy5, FAM, ROX, HEX ; Longpass : LP-DAPI, LP-FITC , LP-TRITC , LP-TexasRed ; Fish series: Fish-Aqua , Fish-Green ,Fish-Orange,Fish-Red ; Dual Band : Green- Orange ; Triple Band :DAPI-Green-Orange.
3. Fluorescence filters OEM: OEM exitation filter, emission filter, dichroic filter for fluorescence detection instrument.
4. Astronomy filters standard：L-Pro, L-eNhance, L-eXtreme, L-Ultimate, Moon Skyglow, Clear Sky, UHC, LRGB, SII, H-alpha, OIII, CLS, CLS-CCD, ND filter ,SHO-3nm,SHO-7nm,UV IR Cut,IR Pass 685nm,Planet filter set.
5. Beam splitter, Anti-reflect mirror , High-reflect mirror, Optical window,Longpass filter, Shortpass filter.
1. Bandpass Filters 200-2000nm for optical sensor and imaging processing application.
2. Fluorescent filters standard: Bandpass : DAPI, FITC, TRITC, TexasRed, Cy5, FAM, ROX, HEX ; Longpass : LP-DAPI, LP-FITC , LP-TRITC , LP-TexasRed ; Fish series: Fish-Aqua , Fish-Green ,Fish-Orange,Fish-Red ; Dual Band : Green- Orange ; Triple Band :DAPI-Green-Orange.
3. Fluorescence filters OEM: OEM exitation filter, emission filter, dichroic filter for fluorescence detection instrument.
4. Astronomy filters standard：L-Pro, L-eNhance, L-eXtreme, L-Ultimate, Moon Skyglow, Clear Sky, UHC, LRGB, SII, H-alpha, OIII, CLS, CLS-CCD, ND filter ,SHO-3nm,SHO-7nm,UV IR Cut,IR Pass 685nm,Planet filter set.
5. Beam splitter, Anti-reflect mirror , High-reflect mirror, Optical window,Longpass filter, Shortpass filter.
Application
Certifications
Our service
1. Dimesion size, thickness up to customer requirements
2. Many material could be choosed, like BK7, Fused Silica
3. AR HR DLC coating or as your requestv
4. After-sales guarantee service，Optolong is responsible for every piece of optical filter sold
2. Many material could be choosed, like BK7, Fused Silica
3. AR HR DLC coating or as your requestv
4. After-sales guarantee service，Optolong is responsible for every piece of optical filter sold
Packing & Delivery
1,Super clean workshops,protected with PE Film,no need to clean,available at any time,with lowest labor cost;
2,Wrapping with vaccum,damp-proof,dust-proof bag;
3,Plastic box，High-density carton,with protective sponge inside;
2,Wrapping with vaccum,damp-proof,dust-proof bag;
3,Plastic box，High-density carton,with protective sponge inside;
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