{"product_id":"ioptron-3383-lrgb","title":"iOptron LRGB Imaging Filter Kit - 1.25\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eComplete LRGB Filter Set\u003c\/li\u003e\n\u003cli\u003eIncludes Luminance, Red, Green, and Blue Filters\u003c\/li\u003e\n\u003cli\u003eStandard 1.25\" Filter Size\u003c\/li\u003e\n\u003cli\u003eThreaded for Standard Filter Wheels and Accessories\u003c\/li\u003e\n\u003cli\u003eEnables Full-Color Imaging with Monochrome Cameras\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eiOptron LRGB Imaging Filter Kit - 1.25\"\u003c\/h2\u003e\n\u003cp\u003eThe iOptron LRGB Imaging Filter Kit provides the four essential filters—Luminance, Red, Green, and Blue—required for full-color astrophotography with a monochrome camera. Mounted in standard 1.25\" cells, this 4-filter set allows you to capture high-resolution detail and vibrant color data separately for maximum processing control.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eThe 4-Filter LRGB Method for High-Resolution Color\u003c\/h3\u003e\n\u003cp\u003eThis 4-filter set is the foundation of high-resolution color astrophotography. By using a monochrome camera, you can capture a detailed, high-signal Luminance (L) layer through the clear filter, then gather the color information separately through the Red (R), Green (G), and Blue (B) filters. This method ensures that the full resolution of your sensor is dedicated to each channel, resulting in sharper final images compared to one-shot-color cameras.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eStandard 1.25\" Format for Maximum Compatibility\u003c\/h3\u003e\n\u003cp\u003eEach filter in the iOptron LRGB kit is mounted in a standard 1.25\" threaded cell. This universal format ensures compatibility with the vast majority of electronic and manual filter wheels, especially those used with cameras featuring APS-C or smaller sensors. The threaded design allows for secure installation, preventing tilt and ensuring a consistent focal plane between filter changes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eLRGB vs. One-Shot-Color (OSC): Control Over Your Data\u003c\/h3\u003e\n\u003cp\u003eWhile one-shot-color (OSC) cameras offer a simpler workflow, the LRGB filter method provides superior control over your final image. You can allocate different exposure times for each channel—for example, longer on the Luminance for detail, and adjusted times on the RGB channels to perfect color balance. This separation also allows for more advanced processing techniques, such as using the L-channel to enhance sharpness without affecting color saturation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the purpose of the iOptron LRGB Imaging Filter Kit?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe iOptron LRGB Imaging Filter Kit is designed for astrophotographers using \u003cstrong\u003emonochrome cameras\u003c\/strong\u003e. It allows you to create full-color images by capturing four separate sets of data: one for brightness (Luminance) and one for each of the primary colors (Red, Green, Blue), which are then combined during image processing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDo I need a filter wheel to use the iOptron 1.25\" LRGB filters?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile you can manually unscrew and swap filters between exposures, it is highly inconvenient and risks moving the telescope. A \u003cstrong\u003efilter wheel\u003c\/strong\u003e is strongly recommended to use the iOptron LRGB kit efficiently, as it allows you to switch between the four filters remotely without touching the imaging train.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the iOptron LRGB filters for visual observing?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, this filter set is designed specifically for \u003cstrong\u003eimaging\u003c\/strong\u003e. While colored filters are used visually for enhancing planetary contrast, this LRGB set is designed to isolate specific color bands for a camera sensor to reconstruct a color image and is not suitable for direct visual use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does imaging with the iOptron LRGB Filter Kit compare to using a color camera?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eImaging with the iOptron LRGB kit and a monochrome camera generally yields \u003cstrong\u003esharper images with better detail\u003c\/strong\u003e. This is because the camera's full sensor resolution is used for each color channel. A one-shot-color camera uses a permanent filter matrix that dedicates only a fraction of its pixels to each color, sacrificing some resolution for convenience.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow would I use the iOptron LRGB Filter Kit to image the Andromeda Galaxy (M31) with an 8\" SCT?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor a galaxy like M31, you would spend the majority of your imaging time on the \u003cstrong\u003eLuminance filter\u003c\/strong\u003e to capture faint dust lanes and structural details. You would then capture shorter total exposures through the Red, Green, and Blue filters to record the color of the core and star-forming regions. The L-channel data is later used to sharpen the combined RGB color data.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eFor a target like the Orion Nebula (M42), would I need different exposure times for each filter in the iOptron LRGB Kit?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. Most monochrome sensors have different sensitivities to red, green, and blue light. For a target like M42, you would typically need to expose longer through the \u003cstrong\u003eRed and Blue filters\u003c\/strong\u003e than the Green filter to achieve a balanced color signal. The Luminance filter would also require its own specific exposure time to capture the faint outer nebulosity without blowing out the bright core.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Code\u003c\/td\u003e\n\u003ctd\u003e3383-LRGB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eLRGB (Luminance, Red, Green, Blue)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e1.25\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003eSet of 4 Filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eLuminance Filter (1.25\")\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eRed Filter (1.25\")\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eGreen Filter (1.25\")\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eBlue Filter (1.25\")\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eProtective Storage Case\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/ioptron-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eiOptron 1-Year Accessory Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"iOptron","offers":[{"title":"Default Title","offer_id":52917291385117,"sku":"IOP-3383-LRGB","price":219.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/iOptron-LRGB-Imaging-Filter-Kit-1-25-1_10aa64fb-8356-42fb-be0a-1b17d2bf2bc9.jpg?v=1789142050","url":"https:\/\/davidastro.com\/en-us\/products\/ioptron-3383-lrgb","provider":"David Astro","version":"1.0","type":"link"}