{"product_id":"player-one-1-25-m42-rotolock","title":"Player One Rotolock Adapter - M42-1.25\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eConverts M42x0.75 Female Threads to a 1.25\" Holder\u003c\/li\u003e\n\u003cli\u003eRotolock Twist-to-Lock Mechanism\u003c\/li\u003e\n\u003cli\u003eSelf-Centering Design Eliminates Optical Tilt\u003c\/li\u003e\n\u003cli\u003ePrevents Scratches and Marring on Accessory Barrels\u003c\/li\u003e\n\u003cli\u003eIdeal for Planetary Imaging 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\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\u003e1.25-M42 Rotolock\u003c\/h2\u003e\n\u003cp\u003eThe 1.25-M42 Rotolock converts a standard M42x0.75 female thread to a self-centering 1.25\" holder for cameras and eyepieces. A single clockwise twist engages the lock, providing a perfectly centered and secure hold across the entire 1.25\" barrel without the tilt or marring caused by thumbscrews.\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\u003eM42 to 1.25\" Rotolock: Perfect Centering Without Thumbscrews\u003c\/h3\u003e\n\u003cp\u003eFor planetary imaging, perfect alignment of the camera sensor to the optical axis is non-negotiable. Traditional thumbscrew adapters introduce tilt by applying uneven pressure, which can soften fine details. The Rotolock solves this by using an internal compression ring that grips the entire circumference of your accessory for a perfectly square, secure connection every time.\u003c\/p\u003e\n\u003cp\u003eOperation is simple and intuitive: rotate the knurled ring clockwise to lock your camera or eyepiece, and rotate it counter-clockwise to release. This design not only provides superior alignment but also prevents the screws from scratching or denting the barrels of your valuable equipment.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect Centering:\u003c\/strong\u003e The internal locking ring applies uniform pressure, ensuring your camera sensor remains perfectly aligned with the optical axis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure Hold:\u003c\/strong\u003e Eliminates the risk of accessories slipping or wobbling, which is critical during long imaging sessions or when using heavier cameras.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Marring:\u003c\/strong\u003e Unlike thumbscrews that dig into your eyepiece and camera barrels, the Rotolock's smooth action preserves the finish of your equipment.\u003c\/li\u003e\n\u003c\/ul\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\"\u003eHow does the 1.25-M42 Rotolock improve planetary imaging?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003ePlanetary imaging relies on perfect optical alignment to achieve maximum sharpness. The Rotolock ensures your camera sensor is perfectly centered and parallel to the focal plane, eliminating the subtle tilt introduced by thumbscrews that can soften fine details on Jupiter's cloud bands or Saturn's rings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the 1.25-M42 Rotolock more secure than a standard thumbscrew adapter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. A thumbscrew applies pressure at one or two points, whereas the Rotolock distributes clamping force around the entire 360-degree circumference of the accessory barrel. This creates a more uniform and secure grip that prevents any wobble or slippage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat equipment can I connect the 1.25-M42 Rotolock to?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis adapter features a standard \u003cstrong\u003eM42x0.75 female thread\u003c\/strong\u003e (also known as a T-thread). It can be attached to many focusers, filter wheels, off-axis guiders, or other accessories that have a male M42 T-thread output. The output side accepts any standard 1.25\" accessory.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill the 1.25-M42 Rotolock scratch my eyepieces or camera nosepieces?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. One of the primary advantages of the Rotolock design is that it doesn't use set screws. The internal compression ring provides a firm grip without digging into or marring the polished surface of your accessory barrels, preserving their condition.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhy can’t I slide my 1.25\" camera nosepiece all the way into the Rotolock?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe Rotolock mechanism uses an internal compression ring. For an accessory to slide in, the ring must be fully open. Rotate the outer grip \u003cstrong\u003ecounter-clockwise\u003c\/strong\u003e until it stops to ensure the adapter is ready to accept a 1.25\" barrel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs there a specific orientation needed to insert an accessory into the 1.25-M42 Rotolock?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo. Since the locking mechanism is circular and self-centering, you can insert your 1.25\" camera or eyepiece at any rotational angle. This makes setup faster and easier, as you don't need to align a barrel's undercut with a thumbscrew.\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\u003eTelescope Side Connection\u003c\/td\u003e\n\u003ctd\u003eM42x0.75 Female Thread (T-Thread)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccessory Side Connection\u003c\/td\u003e\n\u003ctd\u003e1.25\" Holder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLocking Mechanism\u003c\/td\u003e\n\u003ctd\u003eRotolock Twist-Lock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCentering\u003c\/td\u003e\n\u003ctd\u003eSelf-Centering\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\"\u003e1.25-M42 Rotolock Adapter\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\u003cp\u003e\u003ca title=\"Player One 2-Year Warranty\" href=\"https:\/\/davidastro.com\/pages\/player-one-warranty-policy\" target=\"_blank\"\u003ePlayer One 2-Year Warranty\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Player One","offers":[{"title":"Default Title","offer_id":52913428791581,"sku":"POA-RL125-M42","price":39.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/PlayerOne-1-25-M42-ROTOLOCK-1_7817363c-abf9-4ab4-9a50-0b2e72b20449.jpg?v=1789090995","url":"https:\/\/davidastro.com\/fr-us\/products\/player-one-1-25-m42-rotolock","provider":"David Astro","version":"1.0","type":"link"}