{"product_id":"antlia-lrgb-v-filters","title":"Antlia LRGB-V Pro Filters","description":"\u003ch1 data-mce-fragment=\"1\"\u003eAntlia LRGB-V Pro Filters\u003c\/h1\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Antlia LRGB-V Pro series filters are designed for monochrome cameras that use both CCD and CMOS sensors. Suitable sensors include KAF\/KAI sensors, Sony IMX sensors, GSENSE and other sensor manufacturers. The LRGB-V Pro set is designed to approximately equalize the RGB response from the flux of red-sensitive CCD detectors. The result is that you achieve 1:1:1 equalized RGB exposures with the benefit of simplified post processing and reduced imaging time. New LRGB-V Pro series filters feature a carefully designed spectral gap between the green and red channels to minimize the effect of light pollution and to provide high transmittance of useful frequencies. The filters’ design maximizes the capture of details from fainter galaxies and nebulae emissions. The LRGB-V Pro series filters guarantee the high transmission of the OIII band in both the B and G filters (OIII signal \u0026gt;95% in blue and green). The bandwidth of the B channel is narrowed for the purpose of improving the blue channel overflow (haloing) around the star due to B channel overexposure. Antlia LRGB-V Pro series filters block the emission line around 589nm by the design of wide gap between G and R filters, which suppresses much of the light pollution from high pressure sodium and mercury street lamps and results in a more natural color balance. The uniformity in substrate thickness delivers good parfocal performance across all Antlia filters.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eHighlight of LRGB-V Pro series set\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e1. Premium coating technology and finely polished substrate Our quality selection processes are optimized to ensure highly homogeneous glass-substrates. Our application of advanced optical coating technology and double-sided precision polishing achieves both consistent parfocal and optical performance across all filters. 2. Maximized colour balance and contrast for each of the three RGB channels and excellent S\/N performance Dozens of coating layers are deposited on both sides of the glass substrate that enables LRGB-V Pro filters to achieve a high SNR. The Anti reflection coatings and carefully designed spectral gaps minimize unwanted light scatter and maximize useful signal data for each filter channel.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e3. Tighter star profiles and halo reduction The cut-off rate of LRGB-V Pro series set is designed in high level to minimize halos around brighter stars and reduce star bloat. Our careful design of the blue channel transmission characteristics targets the problem of blue star bloating.\u003c\/p\u003e\n\u003ch4 data-mce-fragment=\"1\"\u003eApplication and Performance:\u003c\/h4\u003e\n\u003cp data-mce-fragment=\"1\"\u003e1. Designed for monochrome CCD and CMOS cameras\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e2. Great imaging colors for celestial objects, galaxies, star clusters and nebulae\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e3. AR anti-reflection film design for secondary reflection and star halo reduction\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e4. R-Filter provides maximum transmission of H-alpha and S II emission\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e5. B\/G overlap doubles the energy in the OIII line\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e6. Balanced RGB-design offer 1:1:1 exposure times for most telescope optical systems\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e7. All Antlia LRGB-V Pro filters are edge blackened to eliminate internal reflections from stray light\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e8. The substrate thickness of each of the four LRGB filers is maintained to tight tolerances\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e9. Not recommended for Solar observing and imaging\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e10. Not recommended for visual observation\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eImportant Note:\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003eWhen using any parfocal filters, the user may still experience focus shifts between filters during long imaging sessions. It is important to remember that temperature shifts will change the length of the optical path due to the differential contraction between the telescope tube and the glass optical elements. It is recommended that the photographers check focus either manually or automatically in software every 1 to 2 hours. In cases where the telescope has been brought from a warm environment to outside, more frequent focus checks are required until the equipment has stabilized nearer to ambient temperature.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eBasic Substrate:\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003eoptical substrate\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eFilter Thickness:\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e2mm+\/-0.05mm for 1.25’’\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eSurface Quality:\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003eS\/D (scratch\/dig)= 60\/40 (Refer to MIL-O-13830)\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eTransmitted Wavefront:\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003eLambda\/4 or better.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eParallelism:\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003eless than 30 arcsec\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eSingle \/ Non-glued substrate\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eFilter Ring:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e1.25’’(M28.5*0.6) or 2’’(M48*0.75)\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eUltra-thin filter cell to minimize vignetting\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eBlack anodized finish Laser engraving\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eNo fading\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eIn the Box\u003c\/h3\u003e\n\u003cp\u003eLRBG (4) Filters \u003cbr\u003e\u003c\/p\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"value\"\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eWarranty \u0026amp; Manuals\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eAntlia 3-Years Warranty Against Delamination\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Antlia","offers":[{"title":"1.25\" Round Mounted","offer_id":43780813684965,"sku":"AF-LRGB-V-1","price":426.0,"currency_code":"CAD","in_stock":true},{"title":"31mm Round Unmounted","offer_id":43780813717733,"sku":"AF-LRGB-V-31","price":454.0,"currency_code":"CAD","in_stock":true},{"title":"36mm Round Unmounted","offer_id":43780813750501,"sku":"AF-LRGB-V-36","price":511.0,"currency_code":"CAD","in_stock":true},{"title":"2\" Round Mounted","offer_id":43780813783269,"sku":"AF-LRGB-V-2","price":667.0,"currency_code":"CAD","in_stock":true},{"title":"50mm Round Unmounted","offer_id":43780813816037,"sku":"AF-LRGB-V-50","price":852.0,"currency_code":"CAD","in_stock":true},{"title":"50mm x 50mm Square Unmounted","offer_id":48235207557349,"sku":"AF-LRGB-V-50x50-SQUARE","price":1065.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/antlia-lrgb-v-filters-astronomy-plus-1.webp?v=1690488424","url":"https:\/\/istronomyplus.com\/products\/antlia-lrgb-v-filters","provider":"Astronomy Plus – Telescopes \u0026 Astrophotography Canada","version":"1.0","type":"link"}