{"product_id":"tele-vue-2x-powermate-2-inch","title":"Tele Vue 2x Powermate - 2\"","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eMagnification Factor: 2x\u003c\/li\u003e\n\u003cli\u003eBarrel Size: 2\"\u003c\/li\u003e\n\u003cli\u003eOptical Design: 4-element Telecentric Amplifier\u003c\/li\u003e\n\u003cli\u003eCoatings: Fully Multi-Coated\u003c\/li\u003e\n\u003cli\u003eFilter Threads: Yes (48mm \/ 2\")\u003c\/li\u003e\n\u003cli\u003eWeight: 1.15 lbs (522g)\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\u003eManual\/Software\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\u003eBeyond the Barlow: High-Fidelity Planetary Amplification\u003c\/h2\u003e\n\u003cp\u003eThe Tele Vue 2x Powermate - 2\" is not a Barlow lens; it is a sophisticated 4-element telecentric amplifier designed to increase your telescope's magnification without the optical compromises inherent in traditional designs. This 2-inch model is the definitive choice for observers and imagers who require high-power views of the Moon and planets, delivering images that retain the full fidelity of the primary optics. It is engineered to be a transparent addition to your optical train, preserving sharpness, contrast, and field geometry.\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 Powermate's Telecentric Optical Advantage\u003c\/h3\u003e\n\u003cp\u003eA standard Barlow lens works by diverging the light cone from your telescope's objective, which moves the exit pupil and can introduce spherical aberration, especially in fast telescopes. The Tele Vue Powermate's 4-element design corrects for this. It recaptures the diverging rays and re-collimates them, keeping the exit pupil in its original location and ensuring the light rays exit parallel to the optical axis.\u003c\/p\u003e\n\u003cp\u003eThis telecentric correction is what sets the Powermate apart. It means your eyepieces can operate as if they are looking directly at the telescope's objective, preserving their designed performance characteristics. The result is a uniformly sharp field, free of the edge-of-field astigmatism and color fringing that can soften views through a simple Barlow.\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\u003eFidelity Through High-Transmission Coatings\u003c\/h3\u003e\n\u003cp\u003eEvery air-to-glass surface in the 2x Powermate is fully multi-coated with Tele Vue's proprietary index-matched coatings. This meticulous process minimizes light loss from reflection and maximizes transmission across the visual spectrum. The practical benefit is a brighter, higher-contrast image than what typical Barlows can provide.\u003c\/p\u003e\n\u003cp\u003eOn a target like Jupiter, this translates to more subtle detail in the cloud bands and a more distinct Great Red Spot. The improved contrast makes it easier to discern low-contrast features, such as festoons and ovals, against the planet's bright disk. There is no false color or \"ghosting,\" just the pure signal from your telescope, amplified.\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\u003eA Secure, Non-Marring Mechanical Interface\u003c\/h3\u003e\n\u003cp\u003eThe Powermate's mechanical construction is as robust as its optical design. The 2-inch barrel is machined from solid aluminum and features a chromed sleeve that resists wear and slides smoothly into your focuser. A captive brass clamp ring, tightened by a single oversized thumbscrew, provides a secure grip on your eyepieces or camera nosepiece.\u003c\/p\u003e\n\u003cp\u003eThis design prevents the common problem of marred barrels caused by simple set screws. It also ensures a perfectly centered alignment of the eyepiece with the Powermate's optics, which is critical for maintaining optical performance at high magnifications. This solid, repeatable connection gives you confidence that your expensive eyepieces and cameras are held safely.\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\u003eIntegrated 2-Inch Filter Threads\u003c\/h3\u003e\n\u003cp\u003eFor planetary observers, filters are essential tools for enhancing specific details. The 2x Powermate's barrel is threaded to accept standard 48mm (2-inch) filters. This allows you to attach a Moon filter, a color filter for enhancing planetary features, or even a light pollution filter directly to the Powermate.\u003c\/p\u003e\n\u003cp\u003ePlacing the filter before the eyepiece and Powermate optics is often preferable, as it minimizes any potential reflections that could occur between the filter and the eyepiece's field lens. It also simplifies your workflow, allowing you to leave a commonly used filter attached to the Powermate and switch eyepieces without having to re-thread the filter each time.\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 View from the Cassini Division\u003c\/h3\u003e\n\u003cp\u003eImagine your 10-inch SCT is aimed at Saturn on a night of steady seeing. With a 24mm wide-field eyepiece, you get a pleasing 83x view, but the rings are just a bright, flat oval. You insert the 2x Powermate, and the magnification jumps to 166x. The planet swells to fill more of the field, and the image remains perfectly sharp.\u003c\/p\u003e\n\u003cp\u003eThe first thing you notice is the clean, dark gap of the Cassini Division, now resolved as a distinct black line tracing the circumference of the rings. The subtle shading of the Crepe Ring inside the main rings becomes visible. With a moment of steady air, you can even pick out the faint banding on Saturn's globe itself. This is the Powermate's function: it delivers the magnification needed for fine detail without degrading the image your telescope worked so hard to focus.\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\u003eEngineered for High-Resolution Imaging\u003c\/h3\u003e\n\u003cp\u003eThe Powermate's telecentric design makes it an ideal amplifier for imaging. Because it produces parallel light rays, it is much more forgiving of camera sensor placement than a Barlow. This makes it a perfect match for planetary cameras, webcams, and DSLRs used in \"eyepiece projection\" mode.\u003c\/p\u003e\n\u003cp\u003eWith the optional Tele Vue PMT-2200 T-Ring Adapter, you can connect your camera body directly to the Powermate for a secure, threaded connection. This solid imaging train is essential for high-resolution lunar and planetary photography, eliminating the potential for flexure and ensuring your sensor remains perfectly orthogonal to the optical axis.\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\u003ePowermate vs. Barlow: A Critical Distinction\u003c\/h3\u003e\n\u003cp\u003eChoosing the right magnification tool depends on your equipment and goals. The 2-inch 2x Powermate occupies a specific performance niche.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. Tele Vue 2x BIG Barlow:\u003c\/strong\u003e The BIG Barlow is an excellent visual accessory that provides a more affordable path to 2x amplification. However, the Powermate's telecentric correction provides a distinct advantage for imagers and for visual use in very fast (f\/4-f\/5) telescopes, where it better controls aberrations and maintains eyepiece performance. For critical planetary work, the Powermate is the superior optical tool.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. Tele Vue 4x Powermate:\u003c\/strong\u003e The 4x Powermate is a specialized tool for nights of exceptional seeing or for imagers using large pixels who need to achieve a specific image scale. The 2x Powermate is far more versatile, providing a magnification boost that is usable on average nights with a wider range of telescopes and eyepieces. The 2x is the workhorse of the Powermate family.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe primary trade-off for the Powermate's optical performance is its size, weight, and cost compared to a standard Barlow. At 1.15 lbs, it requires a robust focuser and may necessitate re-balancing your telescope. However, for those who refuse to compromise on image quality, this is a trade-off that delivers a clear, visible return at the eyepiece.\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\"\u003eIs the Powermate really better than a good Barlow lens?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFor most visual use, the difference can be subtle, but for imaging and use with fast telescopes (f\/5 or lower), the Powermate's telecentric design provides a flatter, sharper field by not moving the exit pupil. It maintains the performance of your eyepieces more faithfully than a Barlow.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use the 2\" Powermate with 1.25\" eyepieces?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. You will need a high-quality 2\" to 1.25\" adapter to place in the Powermate's barrel. This allows you to use your 1.25\" eyepieces while taking advantage of the Powermate's optical quality.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWill the 2x Powermate work for deep-sky observing?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eWhile designed for high-power planetary viewing, it can be used to increase magnification on smaller deep-sky objects like planetary nebulae (e.g., the Ring Nebula, M57) or to split tight double stars. However, it will dim the image, as any magnification increase does.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I attach a camera to the 2x Powermate?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYou will need the Tele Vue PMT-2200 T-Ring Adapter. This accessory threads onto the top of the Powermate, providing standard T-threads for connecting a DSLR-specific T-ring or a planetary imaging camera.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the 2\" Powermate heavy? Will my focuser handle it?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThe 2\" 2x Powermate weighs 1.15 lbs (522g). While most modern 2-inch Crayford or rack-and-pinion focusers can handle the weight, it is a significant load. Ensure your focuser's tension is properly adjusted to prevent slipping, and be prepared to re-balance your telescope.\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\u003eModel #\u003c\/td\u003e\n\u003ctd\u003ePMT-2200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnification Factor\u003c\/td\u003e\n\u003ctd\u003e2x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBarrel Size\u003c\/td\u003e\n\u003ctd\u003e2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Design\u003c\/td\u003e\n\u003ctd\u003e4-element telecentric amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLens Coatings\u003c\/td\u003e\n\u003ctd\u003eFully Multi-Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Threads\u003c\/td\u003e\n\u003ctd\u003e48mm (for 2\" filters)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.15 lbs \/ 522 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e4.8\" \/ 122 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Barrel Diameter\u003c\/td\u003e\n\u003ctd\u003e2.7\" \/ 68.6 mm\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\"\u003eTele Vue 2x Powermate - 2\"\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\"\u003eTop Dust Cap\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\"\u003eBottom Dust Cap\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\u003cli class=\"DAV-grid-item\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Tele_Vue_2x_Powermate_Manual.pdf\" target=\"_blank\"\u003e\u003csvg class=\"DAV-img-box\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath d=\"M0 64C0 28.7 28.7 0 64 0L224 0l0 128c0 17.7 14.3 32 32 32l128 0 0 144-208 0c-35.3 0-64 28.7-64 64l0 144-48 0c-35.3 0-64-28.7-64-64L0 64zm384 64l-128 0L256 0 384 128zM176 352l32 0c30.9 0 56 25.1 56 56s-25.1 56-56 56l-16 0 0 32c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-48 0-80c0-8.8 7.2-16 16-16zm32 80c13.3 0 24-10.7 24-24s-10.7-24-24-24l-16 0 0 48 16 0zm96-80l32 0c26.5 0 48 21.5 48 48l0 64c0 26.5-21.5 48-48 48l-32 0c-8.8 0-16-7.2-16-16l0-128c0-8.8 7.2-16 16-16zm32 128c8.8 0 16-7.2 16-16l0-64c0-8.8-7.2-16-16-16l-16 0 0 96 16 0zm80-112c0-8.8 7.2-16 16-16l48 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 32 32 0c8.8 0 16 7.2 16 16s-7.2 16-16 16l-32 0 0 48c0 8.8-7.2 16-16 16s-16-7.2-16-16l0-64 0-64z\" fill=\"#0047a7\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eDownload Manual\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/tele-vue-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eTele Vue 5-Year Limited Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TeleVue","offers":[{"title":"Default Title","offer_id":51223879844125,"sku":"TV-PMT-2200","price":388.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/Tele_Vue_2x_Powermate_2in_1.jpg?v=1777515018","url":"https:\/\/davidastro.com\/en-us\/products\/tele-vue-2x-powermate-2-inch","provider":"David Astro","version":"1.0","type":"link"}