Discover the Precision of Askar 65PHQ Flatfield Astrograph
Streamlined Imaging Setup: Eliminates the need for additional flatteners, complex back-focus calculations, or cumbersome connections. Simply attach any imaging accessory, focus, and capture.
Compact and Powerful: The 65PHQ features a more compact form compared to its predecessors, boasting a 416mm focal length and an f/6.4 focal ratio.
Advanced Optical Design: A quintuplet lens system including two ED glass elements, designed to superbly control chromatic and other aberrations, ensuring crisp and clear images.
Optimized for Full-Frame Cameras: Supports a full-frame image circle and maintains a precise spot diagram, minimizing star distortions at the image periphery.
Lightweight and Portable: Weighing just 2kg for the optical tube assembly and 2.8kg with full accessories, making it ideal for both stationary and mobile setups.
Robust Focusing System: Features a 2.5” rigid focuser with a new 360° rotator marked with scales for accurate adjustments, plus a finder base for additional utility.
Versatile Connection Options: Includes M68, M54, and M48 camera adapters, with the M48 adapter featuring a 2” female thread for straightforward filter installation.
Visual Observation Capability: Perfectly suitable for visual observations, fitting various diagonals and eyepieces, even allowing for high magnification viewing of planets.
High-Quality Construction: Comes with a telescopic lens hood, CNC machined tube, and aesthetically pleasing decorative elements, ensuring durability and user-friendly experience.
Comprehensive Mounting Solutions: Equipped with a multifunctional handle, a 300mm dovetail plate, and robust double tube rings, simplifying the mounting and alignment processes.
The Askar 65PHQ is an exceptional choice for astrophotographers looking for a capable, versatile, and easy-to-use astrograph that delivers quality imaging across various applications.
Specifications
65PHQ
Aperture size
65mm
Focal length
416mm
Focal ratio
f/6.4
Objective lens
Quintuplet air-spaced APO (including two ED glasses)
Image circle
44mm
Maximum accessory connection (with the focuser fully retreated)：
Imaging mode
76mm（from the base of M48×0.75 male thread）
105mm（from the base of M54×0.75 male thread）
130mm（from the base of M68×1 male thread）
Observing mode
121mm（from the end of 2" eyepiece holder）
Total length
328mm（including 1.25" eyepiece holder as dew shield contracted）
388mm（including 1.25" eyepiece holder as dew shield fully stretched）
360mm（including the 3-piece adapter as dew shield contracted）
420mm（including the 3-piece adapter as dew shield fully stretched）
