Askar 80PHQ

Discover the Stellar Performance of the Askar 80PHQ Refractive Astrograph   Sleek Design and Superior Grip: Features an ivory and flawless coating on the main tube with a pimply texture for improved grip and aesthetic appeal. User-Friendly Mechanical Construction: Equipped with clamshell-style CNC-manufactured black tube rings and simple locking screws for easy, tool-free setup. Vibrant Accents: Bright green dust cap, handle, locking screws, focusing knob, and decorative rings add vitality and contrast to the classic white and green PHQ series design. Advanced Optical System: Incorporates a 3+1 quadruplet lens structure with two pieces of ED glass to effectively reduce chromatic aberration and enhance image clarity and sharpness. Integrated Lens Design: Unique lens arrangement ensures superior vignette control and image quality, crucial for serious astrophotography. Long Focal Ratio: Offers a focal ratio of f/7.5, providing detailed and sharp images, ideal for deep-sky photography. Compact and Portable: At 448mm in length and weighing 4.7kg, the 80PHQ is more compact and lighter than its counterparts, making it ideal for those with lighter mounts or who travel frequently. Precision Focusing: Features a 3" rack-and-pinion focuser with dual-speed adjustment and a rotator marked with precise graduations for accurate adjustments. No Extra Flattener Needed: The powerful flatfield optical design eliminates the need for an additional flattener, simplifying the setup and use. Perfect for Both Beginners and Veterans: While similar to the 107PHQ in many ways, the 80PHQ offers a unique combination of portability and ease of use, appealing to both new enthusiasts and seasoned astrophotographers. With its combination of advanced features and user-friendly design, the Askar 80PHQ stands out as a top choice for anyone passionate about capturing the cosmos. Specifications 80PHQ Aperture size 80mm Focal length 600mm Focal ratio f/7.5 Objective lens Quadruplet air-spaced APO (including two ED glass) Image circle 44mm Rear-end thread Imaging mode 115mm（from the base of M48×0.75 male thread） 135mm（from the base of M54×0.75 male thread） 155mm（from the base of M68×1male thread） 168.5mm（from the base of M76×1 male thread） Observing mode 148mm（from the end of 2" eyepiece holder） Total length 450mm（including 1.25" eyepiece holder as dew shield contracted） 540mm（including 1.25" eyepiece holder as dew shield fully stretched） 480mm（including the 4-piece adapter as dew shield contracted） 570mm（including the 4-piece adapter as dew shield fully stretched） OTA Weight 3.9kg Total Weight (Including tube ring&dovetail plate） 4.7kg Rear-end thread type M76×1-M68×1 M68×1-M54×0.75 M54×0.75-M54×0.75 M54×0.75-M48×0.75（M48×0.75 filter thread inside） Gross weight An 80PHQ OTA，a pair of tube rings, a handle, an Askar 300mm Vixen dovetail plate, a set of 4-piece photographic adapters, a manual Software and Docs 80PHQ User's Manual