{"product_id":"touptek-astro-hope-d60","title":"ToupTek HOPE D60 F\/4.66 Astrograph APO Quintuplet Refractor","description":"\u003ch1\u003eToupTek HOPE D60 F\/4.66 Astrograph APO Refractor \u003c\/h1\u003e\n\u003cp\u003e\u003cspan\u003ePlanar APO Astronomical Telescope\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eToupTek HOPE D60一Full-Frame Planar Apochromatic Refractor Telescope for Professional Astronomy\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/HOPE_D60_detail_1.webp?v=1762627318\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/HOPE_D60_detail_2.webp?v=1762627341\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe ToupTek HOPE D60 is designed as an excellent telescope for astrophotography while also being ideal for beginners who want to explore the universe with ease. Unlike bulky reflecting telescopes, this compact Planar APO refractor combines portability with a professional five-element optical system, minimizing chromatic aberration and delivering diffraction-limited clarity.\u003c\/p\u003e\n\u003cp\u003eWith its fast f\/4.66 focal ratio and built-in field flattener, the HOPE D60 is a true astrograph, providing wide, flat images without the need for additional accessories. A dual-speed focuser and versatile threaded connections make setup easy for newcomers, while giving advanced users precise control for capturing galaxies, nebulae, and star fields.\u003c\/p\u003e\n\u003cp\u003eThe HOPE D60 combines beginner-friendly simplicity with professional performance, making it a telescope that grows with you throughout your astronomy journey.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/HOPE_D60_detail_4.webp?v=1762627364\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e1. Optical Design\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA 5-element planar apochromatic (PAPO) lens design:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCombination of SD glass and lanthanum glass for near-zero chromatic aberration and accurate color.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNative flat-field:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAchieves full-frame field correction with no vignetting, no distortion, and round pinpoint sharp stars\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ef\/4.66 fast focal ratio:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHigh light-gathering efficiency for capturing wide-field deep-sky objects, revealing detail even with short exposures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e2. Precise Mechanical Design\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Compact and Robust OTA\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Highly Compatible Interfaces\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Compatible with Electric Focusers of Multiple Brands\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Versatile Usage\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSuitable for deep-sky, lunar and solar photography\u003c\/li\u003e\n\u003cli\u003eNo limits on astronomical exploration and daily photography.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/HOPE_D60_detail_8.webp?v=1762629904\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe HOPE D60 astronomical telescope achieves a central RMS spot size \u0026lt;1.1 µm and the full-frame edge RMS \u0026lt;2.3 µm, delivering exceptionally fine, concentrated star points. Multi-wavelength focus remains consistent with near-zero chromatic aberration, ensuring sharp, accurate imaging across the field of view.\u003c\/p\u003e\n\u003cp\u003eA spot diagram illustrates how light from a star is distributed on the telescope’s focal plane, visually confirming stellar precision.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/HOPE_D60_detail_9.webp?v=1762629920\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003eMTF curve shows consistently high resolution and minimal S\/T variation across the full frame.\u003c\/p\u003e\n\u003cp\u003eHOPE D60 is a high-resolution telescope for viewing planets and galaxies, delivering accurate celestial detail reproduction with exceptional uniformity — achieving MTF \u0026gt;0.95 at 10 LP\/mm and \u0026gt;0.85 at 30 LP\/mm, with minimal Sagittal\/Tangential variation across the frame.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/HOPE_D60_detail_10.webp?v=1762629933\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003eExceptional Chromatic Aberration Control.\u003c\/p\u003e\n\u003cp\u003eThe axial aberration curve is flat, with multi-wavelength light converging on the same plane. This ensures minimal spherical and chromatic aberration, delivering sharp, color-accurate imaging across the entire field of view.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/HOPE_D60_detail_11.webp?v=1762630006\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003eEven Brightness, No Edge Vignetting\u003c\/p\u003e\n\u003cp\u003eThe HOPE D60 refractor telescope maintains \u0026gt;90% relative illumination at the 44mm full-frame edge, meaning brightness difference between center and edge is \u0026lt;10%. The curve decays smoothly, ensuring uniform brightness with no vignetting.\u003c\/p\u003e\n\u003cp\u003eRelative illumination measures brightness uniformity across the image plane, showing how light falls from the center (0mm) to the full-frame edge (22mm).\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eValue\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAperture\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e60 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFocal Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e280 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFocal Ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ef\/4.66\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOptical Design\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5-element apochromatic (PAPO) refractor with built-in field flattener\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eImage Circle \/ Sensor Coverage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFull-frame coverage (~44 mm image circle)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelative Illumination at Edge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;90% at 44 mm image circle edge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMechanical Mounting \/ Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard M48×0.75 thread; optional M54×0.75 adapter available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFocuser\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3-inch rack \u0026amp; pinion focuser with ~30 mm travel, coarse and fine adjustments, zero backlash\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompact Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e255 mm (dew shield retracted)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTube Material \/ Construction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCNC-machined aluminium alloy body with blackened interior and retractable dew shield\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBack-Focus \/ Connection Distance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRecommended 55 mm (supports 50–58 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended Use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAstrophotography, wide-field deep-sky imaging; not recommended for visual observation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight (Approx.)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eIn the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFront Lens Cap\u003c\/li\u003e\n\u003cli\u003eTelescope Tube Ring\u003c\/li\u003e\n\u003cli\u003eDovetail Plate\u003c\/li\u003e\n\u003cli\u003eHandle\u003c\/li\u003e\n\u003cli\u003eM48x075 Male Adapter\u003c\/li\u003e\n\u003cli\u003eM48-M Metal Dust Cover\u003c\/li\u003e\n\u003cli\u003eDovetail Rail\u003c\/li\u003e\n\u003cli\u003e3\/8'' to 1\/4'' Threaded insert\u003c\/li\u003e\n\u003cli\u003eHex wrench\u003c\/li\u003e\n\u003cli\u003eUser Manual\u003c\/li\u003e\n\u003cli\u003eTilt adjuster\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWarranty\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.touptek-astro.com\/sales_policy\/\"\u003eToupTek 2 years Warranty \u003c\/a\u003e\u003c\/p\u003e","brand":"Touptek","offers":[{"title":"Default Title","offer_id":48023383343333,"sku":"TOU-HOPE-D60","price":1190.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Header_HOPED60_06.webp?v=1775330036","url":"https:\/\/istronomyplus.com\/products\/touptek-astro-hope-d60","provider":"Astronomy Plus – Telescopes \u0026 Astrophotography Canada","version":"1.0","type":"link"}