--- product_id: 436559057 title: "1.25\" UV/IR Cut Filter for CCD Digital Astrophotography" brand: "optolong" price: "฿5066" currency: THB in_stock: true category: "Optolong" url: https://www.desertcart.co.th/products/436559057-1-25-uv-ir-cut-filter-for-ccd-digital-astrophotography store_origin: TH region: Thailand --- # 96% H-beta transmission Diffraction-limited optics Scratch & humidity resistant 1.25" UV/IR Cut Filter for CCD Digital Astrophotography **Brand:** optolong **Price:** ฿5066 **Availability:** ✅ In Stock ## Summary > 🌠 Capture the cosmos in razor-sharp detail—your gateway to next-level astrophotography! ## Quick Answers - **What is this?** 1.25" UV/IR Cut Filter for CCD Digital Astrophotography by optolong - **How much does it cost?** ฿5066 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/436559057-1-25-uv-ir-cut-filter-for-ccd-digital-astrophotography) ## Best For - optolong enthusiasts ## Why This Product - Trusted optolong brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Perfect Fit for Every Setup:** Standard 1.25" size and parfocal with other Optolong filters for effortless swapping and consistent focus. - • **Crystal-Clear Deep Sky Views:** Maximize contrast with 96% transmission at key H-beta wavelength for stunning nebulae clarity. - • **Seamless Optical Integration:** Diffraction-limited design preserves your telescope’s full resolving power—no image degradation. - • **Built to Last, Built to Perform:** Scratch-resistant, humidity-proof glass ensures your filter stays flawless through every observation session. - • **Optimized Multi-Bandpass Filtering:** Precisely blocks unwanted wavelengths while passing critical H-alpha and OIII bands for vibrant astrophotography. ## Overview The Optolong 1.25" UV/IR Cut Filter is a premium multi-coated glass filter designed for CCD and CMOS astrophotography. It delivers 96% transmission at the H-beta wavelength and effectively blocks unwanted UV and IR light, enhancing contrast and reducing noise. Its scratch-resistant, humidity-proof construction and diffraction-limited optics ensure durability and uncompromised image quality. Compatible with standard 1.25" telescope focusers and parfocal with other Optolong filters, it’s ideal for deep sky imaging with small to medium telescopes. ## Description OPTOLONG Astronomical filters are used worldwide by professionals and advanced amateurs because of their superior quality and our guarantee. Our filters are correctly optimized for naked eye visual observation, each object will be viewed with maximum contrast through your eyepiece. The transmission curves of the filters are designed so that you gain maximum contrast and brightness while retaining the subtlest gradations in each object. Unmatched optical quality and high efficiency hardened multi-coatings result in the sharpest and highest images possible. ## Features - 1. 96% transmission at 486nm (H-beta) 2.95% transmission at 496nm (OIII) - 3.92.5% transmission at 501nm (OIII) 4.98% transmission at 656nm (H-alpha) - 5. pass from 450 to 520nm and from 620nm 6.Entire Blocking of annoying wavelengths - 7.Ideal All-round Deep Sky filter even for small telescopes 8.Not sensitive to humidity or aging - 9.Scratch-resistant - 10. Excellent carrier material. The optical Leitungs of your telescope is not reduced by the filter in any way - 11. Parfocal with other Optolong filters 12.Glass thickness: 1.85mm - 13.Completely resistant against high humidity, scratches and aging effects - 14.Diffraction limited, the filter will not reduce the optical performance of your telescope - 15.Optolong filters are delivered in a high-quality, long lasting, filter box ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09Y1L5YXD | | Best Sellers Rank | #26 in Telescope Filters | | Brand | Optolong | | Built-In Media | Filter | | Coating Description | Multi Coating | | Compatible Devices | Color CMOS cameras, CCD cameras, modified one-shot cameras, monochrome CCD cameras | | Customer Reviews | 4.5 4.5 out of 5 stars (31) | | Enclosure Material | Glass | | Item Dimensions D x W x H | 1.25"D x 1.25"W x 1.25"H | | Item Dimensions L x W | 1.25"L x 1.25"W | | Manufacturer | OPTOLONG | | Manufacturer Part Number | 044 | | Media Type | ProductImage | | Model Name | 044 | | Model Number | 044 | | Number of Items | 1 | | Number of Packs | 1 | | Photo Filter Size | 28 millimeters | | Screen Size | 1.25 inches | | Special Effect | Ultraviolet | | Thread Size | 31.75 millimeters | | Unit Count | 1 Count | | Water Resistance Level | Not Water Resistant | ## Product Details - **Brand:** Optolong - **Coating Description:** Multi Coating - **Material:** Glass - **Number of Items:** 1 - **Number of Packs:** 1 - **Photo Filter Effect Type:** Ultraviolet - **Photo Filter Size:** 28 millimeters - **Photo Filter Thread Size:** 31.75 millimeters - **Product Dimensions:** 1.25"L x 1.25"W - **Water Resistance Level:** Not Water Resistant ## Images ![1.25" UV/IR Cut Filter for CCD Digital Astrophotography - Image 1](https://m.media-amazon.com/images/I/51ikDBvYidL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.th/products/436559057-1-25-uv-ir-cut-filter-for-ccd-digital-astrophotography](https://www.desertcart.co.th/products/436559057-1-25-uv-ir-cut-filter-for-ccd-digital-astrophotography) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-11-01*