Askar FRA300 Pro Compact and High-Performance Astrograph Smallest and Fastest in the Series: The Askar FRA300 Pro is the latest addition to the popular FRA series, boasting a 60mm aperture and a fast F/5 native focal ratio. With a focal length of 300mm, this is the smallest and fastest astrograph in the FRA series, perfect for amateur astronomers seeking sharp, delicate stars. Exceptional Star Quality: The FRA300 Pro delivers outstanding performance with an RMS radius of just 2μm at the center of the field of view, ensuring star shapes that satisfy even the most discerning users. It supports 44mm full-frame imaging, making it a rare and valuable tool for astrophotography. Advanced Optical Design: Featuring a quintuplet fully air-spaced structure with one ED glass element, the FRA300 Pro effectively removes stray light and offers superior aberration correction. The rear group lenses, which include two far-separated refractive lenses, enhance star quality and control full-frame peripheral light reduction. No Backfocus Calculation Needed: Thanks to its native Petzval design, users do not need to calculate backfocus. The optimal focus position is easily achieved within a certain range, simplifying the imaging process. Robust and Stylish Construction: The FRA300 Pro is built with high-quality CNC-machined components and a smooth spray coating with light oxidation, ensuring both durability and aesthetic appeal. The lightweight and stylish tube ring design adds to its portability, making it an ideal choice for field photographers. Precision Focusing: The 2.5" rack-and-pinion focuser is designed with dual-speed hand knobs for coarse and fine adjustments, providing accurate focusing. It comes equipped with a universal M48x0.75 thread adapter, and additional M54x0.75 and M48x0.75 adapters are included for easy compatibility with various imaging equipment and accessories. A 360° rotator at the end of the focuser allows for easy angle adjustments during shooting. Versatile and Well-Equipped: The FRA300 Pro comes standard with a multifunction handle and a 300mm Vixen-style dovetail plate, enabling easy connection to various mounts and accessories. The multifunctional handle can also connect to a universal Vixen-style finder base, ensuring the astrograph remains balanced on the mount. Cost-Effective Astrophotography: As the first Pro version in the FRA series, the FRA300 Pro builds on the strong reputation of its predecessors with exceptional shooting performance, ease of use, and portability, all at a cost-effective price. It is poised to become your best astrophotography assistant.
