Askar FMA135 Compact and Versatile Astrograph for Astrophotography High-Quality Optics: The Askar FMA135 features an APO triplet primary mirror with a 30mm diameter and a 135mm focal length, including one ED glass element for superior chromatic aberration control and sharp, clear images. Integrated Flattener: Equipped with a 3-element flattener, the FMA135 supports advanced photo system (APS) imaging, ensuring excellent edge performance and high-quality astrophotography results. Multi-Functional Design: This astrograph is not only ideal for visual observation and astrophotography but also functions as an excellent finder or guider, offering unmatched versatility. Lightweight and Compact: The FMA135's compact design and lightness make it easy to attach to various cameras with corresponding adapters, transforming it into a 135mm manual lens for stunning ground object imaging. Standard Thread Compatibility: The FMA135 includes a 1.25" female thread for filters and a standard M42×0.75 male thread at the back, accommodating most DSLR or astronomy cameras (additional adapter required). Complete Configuration: The FMA135 comes with a tube ring for Vixen finder base installation, a 1.25" visual back for eyepiece or guiding camera attachment, a high-quality focuser, and a setting thread to prevent deviations during astrophotography. Exceptional Imaging Experience: With its ingenious optical design, the Askar FMA135 delivers a superior imaging experience, making it a perfect choice for both amateur and professional astrophotographers. Chromatic Aberration Control: The precise optical design ensures minimal chromatic aberration, providing clear and accurate color representation in your astrophotography. Versatile Application: Whether you're capturing deep-sky objects or terrestrial scenes, the Askar FMA135 offers unparalleled performance in a compact and portable package. Specifications FMA135 Aperture 30mm Focal length 135mm 135mm（plus the flattener） Focal ratio F4.5 F4.5（plus the flattener） Objective type Air-spaced APO triplet（including an ED glass） Sextuplet refractor for APS imaging Overall length 113mm（photographic mode with flattener） Total Weight (Including tube ring&dovetail plate） 280g Rear-end adapter type M42×0.75 thread（for imaging） 1.25" visual adapter（for visual observation） Package information FMA135（one set） Tube ring（one piece） 1.25" visual adapter（one piece） screw（five pieces） manual（one piece）
