{"title":"Photometric Filters","description":"\u003cp\u003ePhotometric filters for scientific imaging and measurement. This range covers the Sloan (SDSS) and Bessell (Johnson-Cousins) photometric systems. They are used for photometry, exoplanet transit work, variable star measurement and survey-matched imaging.\u003c\/p\u003e\u003cp\u003eAll filters shown are precision Chroma Technology filters.\u003c\/p\u003e","products":[{"product_id":"chroma-u-bessell-filter","title":"CHROMA TECHNOLOGY U-Bessell Filter","description":"\u003cp\u003eThe Chroma Technology U-Bessell Filter is a high-precision astronomical filter designed to meet the rigorous requirements of photometric observations and astrophotography. It adheres to the Bessell photometric system's specifications, isolating the ultraviolet (U) band for capturing accurate data in scientific studies and delivering stunning images of celestial objects.\u003c\/p\u003e\n\u003cp\u003eThis filter is crafted with premium materials and advanced multi-layer dielectric coatings, ensuring exceptional transmission in the U-band while minimizing unwanted light from adjacent bands. Its precise spectral profile makes it ideal for measuring the ultraviolet emission from stars, galaxies, and other astronomical objects, enabling astrophotographers and researchers to gather accurate color and intensity data.\u003c\/p\u003e\n\u003cp\u003eDurable and reliable, the Chroma U-Bessell Filter resists environmental degradation and delivers consistent performance under various imaging conditions. Whether you're conducting photometric studies or enhancing your imaging setup, this filter is an indispensable tool for achieving accurate and high-quality results in ultraviolet astronomy.\u003c\/p\u003e","brand":"Chroma","offers":[{"title":"1.25 inch MOUNTED","offer_id":42161178476613,"sku":"CT-27050-1.25M","price":520.0,"currency_code":"AUD","in_stock":true},{"title":"2 inch MOUNTED","offer_id":42161178509381,"sku":"CT-27050-2M","price":1260.0,"currency_code":"AUD","in_stock":true},{"title":"31mm UNMOUNTED","offer_id":42161178542149,"sku":"CT-27050-31D","price":520.0,"currency_code":"AUD","in_stock":true},{"title":"36mm UNMOUNTED","offer_id":42161178574917,"sku":"CT-27050-36D","price":640.0,"currency_code":"AUD","in_stock":true},{"title":"50mm UNMOUNTED","offer_id":42161178607685,"sku":"CT-27050-50D","price":1170.0,"currency_code":"AUD","in_stock":true},{"title":"50x50 mm UNMOUNTED","offer_id":42161178640453,"sku":"CT-27050-50X50","price":1300.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/Chroma_Front.jpg?v=1762487244"},{"product_id":"chroma-b-bessell-filter","title":"CHROMA TECHNOLOGY B-Bessell Filter","description":"\u003cp\u003eThe Chroma Technology B-Bessell Filter is a precision-engineered astronomical filter tailored for photometric applications and astrophotography. Designed to meet the standards of the Bessell photometric system, this filter isolates the blue (B) band, ensuring accurate and reliable data collection for scientific observations and vivid imaging of celestial objects.\u003c\/p\u003e\n\u003cp\u003eWith advanced multi-layer dielectric coatings, the B-Bessell filter offers exceptional transmission in the blue band while effectively suppressing out-of-band light. This makes it ideal for capturing the true colors and intensities of stars, galaxies, and other deep-sky objects, ensuring high-fidelity photometric measurements and visually stunning results.\u003c\/p\u003e\n\u003cp\u003eBuilt for durability and consistent performance, the Chroma B-Bessell Filter is resistant to environmental wear and designed to perform under a range of imaging conditions. Whether you're conducting precise photometric studies or enhancing your astrophotography, this filter is an essential tool for achieving accurate and high-quality results in the blue spectrum.\u003c\/p\u003e","brand":"Chroma","offers":[{"title":"1.25 inch MOUNTED","offer_id":42161202954309,"sku":"CT-27052-1.25M","price":520.0,"currency_code":"AUD","in_stock":true},{"title":"2 inch MOUNTED","offer_id":42161202987077,"sku":"CT-27052-2M","price":1260.0,"currency_code":"AUD","in_stock":true},{"title":"31mm UNMOUNTED","offer_id":42161203019845,"sku":"CT-27052-31D","price":520.0,"currency_code":"AUD","in_stock":true},{"title":"36mm UNMOUNTED","offer_id":42161203052613,"sku":"CT-27052-36D","price":640.0,"currency_code":"AUD","in_stock":true},{"title":"50mm UNMOUNTED","offer_id":42161203085381,"sku":"CT-27052-50D","price":1170.0,"currency_code":"AUD","in_stock":true},{"title":"50x50mm UNMOUNTED","offer_id":42161203118149,"sku":"CT-27052-50X50","price":1300.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/Chroma_Front.jpg?v=1762487244"},{"product_id":"chroma-v-bessell-filter","title":"CHROMA TECHNOLOGY V-Bessell Filter","description":"\u003cp\u003eThe Chroma Technology V-Bessell Filter is a high-precision astronomical filter specifically designed for photometric studies and astrophotography. Adhering to the Bessell photometric system's specifications, this filter isolates the visual (V) band, enabling accurate measurements and stunning visual representations of celestial objects.\u003c\/p\u003e\n\u003cp\u003eEngineered with advanced multi-layer dielectric coatings, the V-Bessell filter ensures optimal transmission in the visual spectrum while effectively blocking out-of-band light. It is particularly suited for capturing the true brightness and color of stars, galaxies, and other astronomical phenomena, making it a valuable tool for both scientific research and astrophotographic imaging.\u003c\/p\u003e\n\u003cp\u003eCrafted for reliability and durability, the Chroma V-Bessell Filter withstands environmental challenges and delivers consistent performance across various observing conditions. Whether you're conducting detailed photometric analyses or enhancing your imaging setup, this filter provides exceptional accuracy and clarity in the visual band, making it an essential component for professionals and enthusiasts alike.\u003c\/p\u003e","brand":"Chroma","offers":[{"title":"1.25 inch MOUNTED","offer_id":42161546952773,"sku":"CT-27051-1.25M","price":520.0,"currency_code":"AUD","in_stock":true},{"title":"2 inch MOUNTED","offer_id":42161546985541,"sku":"CT-27051-2M","price":1260.0,"currency_code":"AUD","in_stock":true},{"title":"31mm UNMOUNTED","offer_id":42161547018309,"sku":"CT-27051-31D","price":520.0,"currency_code":"AUD","in_stock":true},{"title":"36mm UNMOUNTED","offer_id":42161547051077,"sku":"CT-27051-36D","price":640.0,"currency_code":"AUD","in_stock":true},{"title":"50mm UNMOUNTED","offer_id":42161547083845,"sku":"CT-27051-50D","price":1170.0,"currency_code":"AUD","in_stock":true},{"title":"50x50mm UNMOUNTED","offer_id":42161547116613,"sku":"CT-27051-50X50","price":1300.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/Chroma_Front.jpg?v=1762487244"},{"product_id":"chroma-r-bessell-filter","title":"CHROMA TECHNOLOGY R-Bessell Filter","description":"\u003cp\u003eThe Chroma Technology R-Bessell Filter is a precision-crafted astronomical filter designed for photometric research and astrophotography. Built to meet the stringent standards of the Bessell photometric system, this filter isolates the red (R) band, providing accurate data for scientific observations and vivid imagery of celestial objects.\u003c\/p\u003e\n\u003cp\u003eFeaturing advanced multi-layer dielectric coatings, the R-Bessell filter offers exceptional transmission in the red spectrum while minimizing out-of-band interference. It is ideal for capturing the rich hues and intensities of stars, nebulae, and galaxies, ensuring reliable photometric measurements and breathtaking astrophotographic results.\u003c\/p\u003e\n\u003cp\u003eEngineered for durability and consistent performance, the Chroma R-Bessell Filter resists environmental wear, maintaining its precision across diverse imaging conditions. Whether used for detailed photometric analysis or enhancing your astrophotography workflow, this filter is an indispensable tool for delivering accurate and high-quality results in the red band.\u003c\/p\u003e","brand":"Chroma","offers":[{"title":"1.25 inch MOUNTED","offer_id":42161700700229,"sku":"CT-27053-1.25M","price":520.0,"currency_code":"AUD","in_stock":true},{"title":"2 inch MOUNTED","offer_id":42161700732997,"sku":"CT-27053-2M","price":1260.0,"currency_code":"AUD","in_stock":true},{"title":"31mm UNMOUNTED","offer_id":42161700765765,"sku":"CT-27053-31D","price":520.0,"currency_code":"AUD","in_stock":true},{"title":"36mm UNMOUNTED","offer_id":42161700798533,"sku":"CT-27053-36D","price":640.0,"currency_code":"AUD","in_stock":true},{"title":"50mm UNMOUNTED","offer_id":42161700831301,"sku":"CT-27053-50D","price":1170.0,"currency_code":"AUD","in_stock":true},{"title":"50x50mm UNMOUNTED","offer_id":42161700864069,"sku":"CT-27053-50X50","price":1300.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/Chroma_Front.jpg?v=1762487244"},{"product_id":"chroma-technology-i-bessell-filter","title":"CHROMA TECHNOLOGY I-Bessell Filter","description":"\u003cp\u003eThe Chroma Technology I-Bessell Filter is a premium astronomical filter designed for photometric precision and advanced astrophotography. Aligned with the Bessell photometric system, this filter isolates the infrared (I) band, enabling accurate data collection and enhanced imaging of celestial objects in the near-infrared spectrum.\u003c\/p\u003e\n\u003cp\u003eUtilizing advanced multi-layer dielectric coatings, the I-Bessell filter ensures exceptional transmission in the I band while effectively reducing out-of-band interference. It is ideal for capturing the subtle details and intensities of stars, galaxies, and other deep-sky objects, particularly in the near-infrared region, where many astronomical features become more prominent.\u003c\/p\u003e\n\u003cp\u003eDurable and reliable, the Chroma I-Bessell Filter is designed to withstand challenging imaging environments while delivering consistent performance. Whether you're conducting precise photometric studies or capturing striking astrophotographic images, this filter is an essential tool for professionals and enthusiasts seeking accuracy and excellence in the near-infrared spectrum.\u003c\/p\u003e","brand":"Chroma","offers":[{"title":"1.25 inch MOUNTED","offer_id":42227802636357,"sku":"CT-27054-1.25M","price":520.0,"currency_code":"AUD","in_stock":true},{"title":"2 inch MOUNTED","offer_id":42227802669125,"sku":"CT-27054-2M","price":1260.0,"currency_code":"AUD","in_stock":true},{"title":"31mm UNMOUNTED","offer_id":42227802701893,"sku":"CT-27054-31D","price":520.0,"currency_code":"AUD","in_stock":true},{"title":"36mm UNMOUNTED","offer_id":42227802734661,"sku":"CT-27054-36D","price":640.0,"currency_code":"AUD","in_stock":true},{"title":"50mm UNMOUNTED","offer_id":42227802767429,"sku":"CT-27054-50D","price":1170.0,"currency_code":"AUD","in_stock":true},{"title":"50x50 mm UNMOUNTED","offer_id":42227802800197,"sku":"CT-27054-50X50","price":1300.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/Chroma_Front.jpg?v=1762487244"},{"product_id":"chroma-technology-u-sloan-sdss-filter","title":"CHROMA TECHNOLOGY U-SLOAN SDSS Filter","description":"\u003cp\u003eThe Chroma Technology U-Sloan SDSS Filter is a high-performance astronomical filter engineered for precise photometric measurements and advanced imaging applications. Designed to align with the Sloan Digital Sky Survey (SDSS) photometric system, this filter isolates the ultraviolet (U) band, ensuring accurate and reliable data for scientific studies and astrophotography.\u003c\/p\u003e\n\u003cp\u003eConstructed with advanced multi-layer dielectric coatings, the U-Sloan filter offers superior transmission in the ultraviolet range while minimizing out-of-band interference. It is ideal for capturing ultraviolet emissions from stars, galaxies, and other celestial phenomena, enabling detailed studies of astrophysical properties and producing visually striking imagery.\u003c\/p\u003e\n\u003cp\u003eBuilt for durability and consistent performance, the Chroma U-Sloan SDSS Filter resists environmental degradation, maintaining its precision under diverse observing conditions. Whether used for professional research or enhancing your astrophotographic capabilities, this filter delivers exceptional accuracy and clarity in the ultraviolet spectrum, making it an indispensable tool for astronomers and astrophotographers alike.\u003c\/p\u003e","brand":"Chroma","offers":[{"title":"1.25 inch MOUNTED","offer_id":42227827114053,"sku":"CT-U-Sloan-1.25M","price":520.0,"currency_code":"AUD","in_stock":true},{"title":"2 inch MOUNTED","offer_id":42227827146821,"sku":"CT-U-Sloan-2M","price":1260.0,"currency_code":"AUD","in_stock":true},{"title":"31mm UNMOUNTED","offer_id":42227827179589,"sku":"CT-U-Sloan-31D","price":520.0,"currency_code":"AUD","in_stock":true},{"title":"36mm UNMOUNTED","offer_id":42227827212357,"sku":"CT-U-Sloan-36D","price":640.0,"currency_code":"AUD","in_stock":true},{"title":"50mm UNMOUNTED","offer_id":42227827245125,"sku":"CT-U-Sloan-50D","price":1170.0,"currency_code":"AUD","in_stock":true},{"title":"50x50 mm UNMOUNTED","offer_id":42227827277893,"sku":"CT-U-Sloan-50X50","price":1300.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/Chroma_Front.jpg?v=1762487244"},{"product_id":"chroma-technology-r-sloan-sdss-filter","title":"CHROMA TECHNOLOGY R-SLOAN SDSS Filter","description":"\u003cp\u003eThe Chroma Technology R-Sloan SDSS Filter is a precision-engineered astronomical filter designed for photometric studies and astrophotography. Conforming to the Sloan Digital Sky Survey (SDSS) photometric system, this filter isolates the red (R) band, ensuring accurate measurements and stunning imaging of celestial objects in the red spectrum.\u003c\/p\u003e\n\u003cp\u003eFeaturing advanced multi-layer dielectric coatings, the R-Sloan filter delivers exceptional transmission in the red band while minimizing out-of-band interference. It is ideal for capturing the richness and detail of stars, galaxies, and nebulae, particularly those with significant red emission features, making it an essential tool for both scientific observations and high-quality astrophotography.\u003c\/p\u003e\n\u003cp\u003eDurable and reliable, the Chroma R-Sloan SDSS Filter is designed to withstand challenging imaging environments while maintaining precise performance. Whether you're conducting detailed photometric analyses or creating vivid astrophotographic images, this filter provides outstanding accuracy and clarity in the red band, making it indispensable for astronomers and astrophotographers seeking superior results.\u003c\/p\u003e","brand":"Chroma","offers":[{"title":"1.25 inch MOUNTED","offer_id":42227836649541,"sku":"CT-R-Sloan-1.25M","price":520.0,"currency_code":"AUD","in_stock":true},{"title":"2 inch MOUNTED","offer_id":42227836682309,"sku":"CT-R-Sloan-2M","price":1260.0,"currency_code":"AUD","in_stock":true},{"title":"31mm UNMOUNTED","offer_id":42227836715077,"sku":"CT-R-Sloan-31D","price":520.0,"currency_code":"AUD","in_stock":true},{"title":"36mm UNMOUNTED","offer_id":42227836747845,"sku":"CT-R-Sloan-36D","price":640.0,"currency_code":"AUD","in_stock":true},{"title":"50mm UNMOUNTED","offer_id":42227836780613,"sku":"CT-R-Sloan-50D","price":1170.0,"currency_code":"AUD","in_stock":true},{"title":"50x50 mm UNMOUNTED","offer_id":42227836813381,"sku":"CT-R-Sloan-50X50","price":1300.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/Chroma_Front.jpg?v=1762487244"},{"product_id":"chroma-technology-i-sloan-sdss-filter","title":"CHROMA TECHNOLOGY I-SLOAN SDSS Filter","description":"\u003cp\u003eThe Chroma Technology I-Sloan SDSS Filter is a high-precision astronomical filter tailored for photometric accuracy and advanced imaging. Designed in accordance with the Sloan Digital Sky Survey (SDSS) photometric system, this filter isolates the near-infrared (I) band, enabling detailed observations and vivid imaging of celestial objects in this spectrum.\u003c\/p\u003e\n\u003cp\u003eCrafted with advanced multi-layer dielectric coatings, the I-Sloan filter ensures exceptional transmission in the I band while effectively blocking unwanted light from adjacent bands. It is particularly suited for capturing the subtle details of stars, galaxies, and other deep-sky objects in the near-infrared, where unique astrophysical phenomena can be observed.\u003c\/p\u003e\n\u003cp\u003eBuilt to withstand rigorous use, the Chroma I-Sloan SDSS Filter offers durability and consistent performance across diverse imaging conditions. Whether used for precise photometric studies or astrophotographic projects, this filter provides unparalleled clarity and accuracy in the near-infrared spectrum, making it an essential tool for astronomers and astrophotographers striving for superior results.\u003c\/p\u003e","brand":"Chroma","offers":[{"title":"1.25 inch MOUNTED","offer_id":42227843137605,"sku":"CT-I-Sloan-1.25M","price":520.0,"currency_code":"AUD","in_stock":true},{"title":"2 inch MOUNTED","offer_id":42227843170373,"sku":"CT-I-Sloan-2M","price":1260.0,"currency_code":"AUD","in_stock":true},{"title":"31mm UNMOUNTED","offer_id":42227843203141,"sku":"CT-I-Sloan-31D","price":520.0,"currency_code":"AUD","in_stock":true},{"title":"36mm UNMOUNTED","offer_id":42227843235909,"sku":"CT-I-Sloan-36D","price":640.0,"currency_code":"AUD","in_stock":true},{"title":"50mm UNMOUNTED","offer_id":42227843268677,"sku":"CT-I-Sloan-50D","price":1170.0,"currency_code":"AUD","in_stock":true},{"title":"50x50 mm UNMOUNTED","offer_id":42227843301445,"sku":"CT-I-Sloan-50X50","price":1300.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/Chroma_Front.jpg?v=1762487244"},{"product_id":"chroma-technology-z-sloan-sdss-filter","title":"CHROMA TECHNOLOGY Z-SLOAN SDSS Filter","description":"\u003cp\u003eThe Chroma Technology Z-Sloan SDSS Filter is a precision-designed astronomical filter tailored for photometric accuracy and advanced astrophotography. Conforming to the Sloan Digital Sky Survey (SDSS) photometric system, this filter isolates the \u003cstrong\u003ez\u003c\/strong\u003e band, a region in the far-red to near-infrared spectrum, ensuring precise data collection and exceptional imaging performance.\u003c\/p\u003e\n\u003cp\u003eWith advanced multi-layer dielectric coatings, the Z-Sloan filter offers outstanding transmission in the z band, which typically spans wavelengths from approximately \u003cstrong\u003e850 nm to 950 nm\u003c\/strong\u003e, while effectively minimizing light from adjacent bands. It is particularly useful for observing cooler stars, distant galaxies, and objects obscured by interstellar dust, as the z band penetrates these regions more effectively than shorter wavelengths.\u003c\/p\u003e\n\u003cp\u003eEngineered for durability and consistent performance, the Chroma Z-Sloan SDSS Filter maintains its precision under challenging imaging conditions. Whether used for detailed photometric studies or capturing stunning astrophotographic images, this filter provides exceptional clarity and accuracy in the far-red to near-infrared spectrum, making it an indispensable tool for astronomers and astrophotographers seeking superior results.\u003c\/p\u003e","brand":"Chroma","offers":[{"title":"1.25 inch MOUNTED","offer_id":42227848216645,"sku":"CT-Z-Sloan-1.25M","price":520.0,"currency_code":"AUD","in_stock":true},{"title":"2 inch MOUNTED","offer_id":42227848249413,"sku":"CT-Z-Sloan-2M","price":1260.0,"currency_code":"AUD","in_stock":true},{"title":"31mm UNMOUNTED","offer_id":42227848282181,"sku":"CT-Z-Sloan-31D","price":520.0,"currency_code":"AUD","in_stock":true},{"title":"36mm UNMOUNTED","offer_id":42227848314949,"sku":"CT-Z-Sloan-36D","price":640.0,"currency_code":"AUD","in_stock":true},{"title":"50mm UNMOUNTED","offer_id":42227848347717,"sku":"CT-Z-Sloan-50D","price":1170.0,"currency_code":"AUD","in_stock":true},{"title":"50x50 mm UNMOUNTED","offer_id":42227848380485,"sku":"CT-Z-Sloan-50X50","price":1300.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/6673\/1845\/files\/Chroma_Front.jpg?v=1762487244"}],"url":"https:\/\/bintel.com.au\/collections\/photometric-filters.oembed","provider":"The Binocular and Telescope Shop","version":"1.0","type":"link"}