Introducing the Askar 107PHQ: The Ultimate Flatfield Astrograph for Every Astronomer Innovative Flatfield Design: The Askar 107PHQ, featuring a long focal ratio and built-in Flatfield lens, eliminates the need for an additional field flattener, simplifying setup and ensuring optimal imaging performance. Exceptional Optical Quality: Boasts an f/7 focal ratio with a 749mm focal length and includes four lenses, two of which are ED glass, significantly reducing chromatic aberration and supporting magnifications up to 300× for visual observation. Perfect Star Imaging: Equipped with a high-performance Flatfield lens, the 107PHQ ensures minimal distortion at the image edges, with an RMS radius at the center field of just 3um, making it ideal for astrophotographers demanding the highest quality. Versatility in Use: Whether capturing deep sky wonders or observing planets, the 107PHQ is compatible with 1.25", 2" zenith mirrors, various eyepieces, and high-resolution cameras, offering outstanding flexibility and detail retrieval. Robust and Attractive Build: Features a durable and stylish CNC-machined body with distinctive green accents, designed to support a load of 8kg with a 3.4" rigid focuser and 95mm travel distance, optimized for both visual and photographic use. Comprehensive Accessories Included: Ships with an Askar 107PHQ OTA, a set of M86-M48 adapters, tube rings, a 300mm Vixen-style dovetail plate, and a high-quality aluminum suitcase, ensuring you have everything needed for a seamless experience right out of the box. Explore the universe with the Askar 107PHQ, a professionally crafted astrograph that combines ease of use for beginners with the high-end functionality required by seasoned enthusiasts. Specifications 107PHQ Aperture size 107mm Focal length 749mm Focal ratio f/7 Objective lens Quadruplet air-spaced APO (including two ED glass) Image circle 44mm Maximum accessory connection (with the focuser fully retreated) Imaging mode 79mm (from the base of M48×0.75 male thread) 99mm (from the base of M54×0.75 male thread) 119mm (from the base of M68×1male thread) 149mm (from the base of M86×1 male thread) Observing mode 120mm (from the end of 2" visual back) Total length 603mm（when the dew shield is contracted 754mm（when the dew shield is stretched） OTA Weight 5.7kg Total Weight (Including tube ring&dovetail plate） 6.9kg Rear-end thread type M86×1 to M68×1 M68×1 to M54×0.75 M54×0.75 to M52×0.75 M52×0.75 to M48×0.75（with M48×0.75 filter thread） Four-piece photographic adapter M48×0.75 Gross weight A 107PHQ OTA，a pair of tube rings, a handle, an Askar 300mm Vixen dovetail plate, a set of four-piece photographic adapters, a manual Software and Docs 107PHQ User's Manual
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