{"product_id":"orion-optics-uk-ag10-straight-finder-50mm-wide-field","title":"Orion Optics UK AG10 Straight Finder 50mm Wide Field","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003e50mm Aperture\u003c\/li\u003e\n\u003cli\u003eStraight-Through Optical Design\u003c\/li\u003e\n\u003cli\u003eFully Coated Optics\u003c\/li\u003e\n\u003cli\u003eVisible Crosshair Reticle\u003c\/li\u003e\n\u003cli\u003eQuick-Release Dovetail Shoe\u003c\/li\u003e\n\u003cli\u003eSprung-Loaded Adjustment Screws\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\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\u003eOrion Optics UK AG10 Straight Finder 50mm Wide Field\u003c\/h2\u003e\n\u003cp\u003eThe Orion Optics UK AG10 Straight Finder 50mm Wide Field is engineered for astronomers who prefer the hands-on approach of manually locating celestial objects. Its 50mm aperture gathers substantial light, producing a bright image that makes it possible to find most deep-sky targets by star-hopping, even if your mount already has GoTo capabilities.\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\u003e50mm Coated Optics: Bright Views for Star-Hopping\u003c\/h3\u003e\n\u003cp\u003eA finder's primary job is to make faint guide stars visible, and the AG10's 50mm objective lens is a significant advantage over smaller standard finders. The fully coated optics ensure maximum light transmission, revealing dimmer stars needed to navigate complex star fields. An integrated crosshair reticle remains visible against the sky, allowing you to place your target in the exact center of the field before switching to the main telescope eyepiece.\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\u003eDovetail Shoe \u0026amp; Sprung Screws: Fast, Reliable Alignment\u003c\/h3\u003e\n\u003cp\u003eThis finder is designed for practicality both in the field and during transport. It mounts via a fixed dovetail shoe, enabling you to attach and remove the entire finder body quickly without tools. This system ensures that your finder's alignment with the main optical tube is maintained session after session. The full sprung-loaded adjustment screws provide smooth, positive control for precise alignment and hold it securely against accidental bumps.\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\u003eStraight-Through vs. 90-Degree: Choosing Your Finder Design\u003c\/h3\u003e\n\u003cp\u003eOrion Optics UK offers two 50mm finder designs, and the AG10 is the straight-through version. This design is often preferred for its intuitive aiming, as it allows you to sight directly along the main telescope tube to acquire the general area of your target. While a 90-degree finder can offer a more comfortable head position for objects near the zenith, the straight-through path of the AG10 provides a direct line of sight that many observers find faster for initial object acquisition.\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\"\u003eWhy use the AG10 50mm finder on a telescope with GoTo?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eEven with a GoTo system, a high-quality 50mm finder is invaluable for confirming alignment stars and verifying that the telescope has slewed to the correct object. It also provides a satisfying, hands-on way to explore the sky and serves as a reliable backup if your GoTo system has issues.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the straight-through design of the AG10 finder help locate objects?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe straight-through view allows you to coarsely aim your telescope by looking along the outside of the tube, similar to using iron sights on a rifle. This makes it very intuitive to get your telescope pointed at a bright star or a general region of the sky before you look through the finder's eyepiece for fine-tuning.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the advantage of the AG10's 50mm aperture over a smaller finder?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe 50mm aperture gathers significantly more light than smaller 30mm or 40mm finders. This results in a brighter image and allows you to see fainter stars, which is crucial for star-hopping to faint deep-sky objects like nebulae and galaxies that may not have bright stars nearby.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use this 50mm finder to locate faint targets like the Ring Nebula (M57)?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The 50mm aperture is well-suited for finding brighter planetary nebulae like the Ring Nebula (M57). While you won't see detail in the finder itself, it will gather enough light to show M57 as a faint, non-stellar smudge, allowing you to easily center it with the crosshairs for viewing in the main telescope.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do the sprung-loaded adjustment screws on the AG10 finder work?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe sprung-loaded screws maintain constant pressure on the finder tube. This prevents the alignment from shifting due to vibration or handling. When you turn a screw to adjust the aim, the spring system ensures the movement is smooth and precise, without the \"slop\" or backlash common in simpler designs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill the AG10 finder fit a non-Orion Optics UK telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe AG10 uses a dovetail shoe for mounting. While this is a common standard, compatibility depends on the type of mounting base on your specific telescope. You may need a compatible shoe or adapter if your telescope does not already have one that matches the finder's dovetail bracket.\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\u003eAG10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAperture\u003c\/td\u003e\n\u003ctd\u003e50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003eStraight-Through\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptics\u003c\/td\u003e\n\u003ctd\u003eFully Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReticle\u003c\/td\u003e\n\u003ctd\u003eCrosshairs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eDovetail Shoe with Sprung-Loaded Screws\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\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/orion-optics-uk-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eOrion Optics UK 1-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Orion Optics UK","offers":[{"title":"Default Title","offer_id":52942360281373,"sku":"OOUK-AG10-STRAIGHT-FINDER-50MM-WIDE","price":218.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/OrionOpticsUK-Straight-finder-50mm-wide-field-1_24acaed3-46ba-49f1-8127-e44ab0d9954a.jpg?v=1789606649","url":"https:\/\/davidastro.com\/products\/orion-optics-uk-ag10-straight-finder-50mm-wide-field","provider":"David Astro","version":"1.0","type":"link"}