--- product_id: 612425087 title: "CAUME 50mm Apochromatic Objective Lens for DIY Astronomical Telescope, Blue" brand: "caume" price: "AR$121193" currency: ARS in_stock: true category: "Caume" url: https://www.desertcart.com.ar/products/612425087-caume-50mm-apochromatic-objective-lens-for-diy-astronomical-telescope-blue store_origin: AR region: Argentina --- # F7.2 precise focus ratio high-res, low-dispersion optics 50mm apochromatic lens CAUME 50mm Apochromatic Objective Lens for DIY Astronomical Telescope, Blue **Brand:** caume **Price:** AR$121193 **Availability:** ✅ In Stock ## Summary > 🔭 See the stars like never before with CAUME’s pro-grade apochromatic lens! ## Quick Answers - **What is this?** CAUME 50mm Apochromatic Objective Lens for DIY Astronomical Telescope, Blue by caume - **How much does it cost?** AR$121193 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/612425087-caume-50mm-apochromatic-objective-lens-for-diy-astronomical-telescope-blue) ## Best For - caume enthusiasts ## Why This Product - Trusted caume brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision Manual Focus:** 360° smooth manual focus ring ensures pinpoint clarity on celestial targets. - • **Consistent Imaging Quality:** Each lens is factory-tested and paired for uniform, reliable performance every time. - • **Crystal-Clear Cosmic Views:** Apochromatic double-separation design eliminates chromatic aberration for razor-sharp images. - • **Durability Meets Performance:** Bonded lens elements resist yellowing and edge peeling over time—built to last. - • **Versatile Optical Powerhouse:** Ideal for DIY astronomical telescopes and precision parallel light pipeline testing. ## Overview The CAUME 50mm Apochromatic Objective Lens features a 51mm diameter and F7.2 focus ratio, engineered with a double-separation apochromatic optical structure to deliver high-resolution, low-dispersion images. Its bonded two-piece lens design prevents aging issues like yellowing and edge peeling, ensuring long-lasting clarity. Factory-tested for consistent imaging, this manual-focus prime lens is perfect for DIY astronomical telescopes and precision optical testing. ## Description Model:50mm, Diameter:51mm, Focus:360, Focusratio:F7.2, Film:Blue The objective lenses are all equipped with apochromatic double-separation optical structure, and the two-piece apochromatic lenses have better compatibility with the bonded ones, resulting in high imaging sharpness with no worry about the aging of the photosensitive glue in the large-diameter objective lenses that may cause yellowing and edge peeling over time. The objective lenses are tested and paired for imaging quality through a parallel light pipeline and dividing plate, ensuring that each set of objective lenses delivers consistent imaging performance. High-resolution, low-dispersion objective lenses are the best choice for various applications such as telescope objective lenses and parallel light pipeline production testing instruments. ## Features - Model:50mm, Diameter:51mm, Focus:360, Focusratio:F7.2, Film:Blue - The objective lenses are all equipped with apochromatic double-separation optical structure, and the two-piece apochromatic lenses have better compatibility with the bonded ones, resulting in high imaging sharpness with no worry about the aging of the photosensitive glue in the large-diameter objective lenses that may cause yellowing and edge peeling over time. - The objective lenses are tested and paired for imaging quality through a parallel light pipeline and dividing plate, ensuring that each set of objective lenses delivers consistent imaging performance. - High-resolution, low-dispersion objective lenses are the best choice for various applications such as telescope objective lenses and parallel light pipeline production testing instruments. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CMZ33S5D | | Best Sellers Rank | #159 in Microscope Lenses | | Brand | CAUME | | Camera Lens | The CAUME 50mm prime lens is a high-quality, apochromatic objective lens designed for astronomical telescopes. It features a 50mm focal length, F7.2 maximum aperture, and a 51mm diameter. Known for its low dispersion and consistent imaging performance, this lens is ideal for telescope objective lenses and parallel light pipeline production testing instruments. It offers optical image stabilization… | | Camera Lens Description | The CAUME 50mm prime lens is a high-quality, apochromatic objective lens designed for astronomical telescopes. It features a 50mm focal length, F7.2 maximum aperture, and a 51mm diameter. Known for its low dispersion and consistent imaging performance, this lens is ideal for telescope objective lenses and parallel light pipeline production testing instruments. It offers optical image stabilization but lacks autofocus and special features like macro photography or weather sealing. Camera Lens Description The CAUME 50mm prime lens is a high-quality, apochromatic objective lens designed for astronomical telescopes. It features a 50mm focal length, F7.2 maximum aperture, and a 51mm diameter. Known for its low dispersion and consistent imaging performance, this lens is ideal for telescope objective lenses and parallel light pipeline production testing instruments. It offers optical image stabilization but lacks autofocus and special features like macro photography or weather sealing. See more | | Exposure Control Type | Manual | | Focal Length Description | 50.0 millimeters | | Focus Type | Manual Focus | | Image stabilization | Optical | | Lens | Standard | | Lens Design | Prime | | Lens Type | Standard | | Manufacturer | CAUME | | Manufacturer Part Number | TianWen11WYJ01 | | Media Type | ProductImage | | Minimum Focal Length | 50 Millimeters | | Model Name | CAUME 50mm Apochromatic Blue | | UPC | 764015311420 | | Water Resistance Level | Not Water Resistant | | Zoom Ratio | 1:1 | ## Product Details - **Brand:** CAUME - **Focal Length Description:** 50.0 millimeters - **Lens Type:** Standard - **Minimum Focal Length:** 50 Millimeters ## Images ![CAUME 50mm Apochromatic Objective Lens for DIY Astronomical Telescope, Blue - Image 1](https://m.media-amazon.com/images/I/51PswirEGLL.jpg) ![CAUME 50mm Apochromatic Objective Lens for DIY Astronomical Telescope, Blue - Image 2](https://m.media-amazon.com/images/I/51lxPd4KCUL.jpg) ![CAUME 50mm Apochromatic Objective Lens for DIY Astronomical Telescope, Blue - Image 3](https://m.media-amazon.com/images/I/51HK5xSC-7L.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.com.ar/products/612425087-caume-50mm-apochromatic-objective-lens-for-diy-astronomical-telescope-blue](https://www.desertcart.com.ar/products/612425087-caume-50mm-apochromatic-objective-lens-for-diy-astronomical-telescope-blue) --- *Product available on Desertcart Argentina* *Store origin: AR* *Last updated: 2026-05-22*