Flexible mounting with adjustable position for precise alignment. The setup supports screws of various sizes smaller than 1/4 inch and allows the position to be adjusted to suit your accessory layout. Compatibility and conversion - PU150A, PU200A, and PU300A feature 3/8 inch threaded holes that can be converted to 1/4 inch threads, enabling broad compatibility with common astronomy accessories. Astronomy accessories - Barlow lenses available in 2x and 3x for higher magnification without changing your telescope’s focal length. - Moon filter and planet filters to enhance contrast and reveal details of the Moon, planets, and bright deep-sky targets. Astrophotography and imaging - T-ring adapters for camera attachment. - Prime focus adapters for direct imaging. - Field flatteners to improve edge sharpness. - Reducers to achieve wider fields and shorter exposures. - Smartphone adapters for quick, easy mobile astrophotography. - Compatible with specialized astronomy cameras for dedicated imaging setups. Use scenarios - Planets and Moon imaging: Use a Barlow (2x or 3x) with filters to bring out surface details; attach via T-ring or smartphone adapter for quick captures. - Deep-sky imaging: Pair a reducer with a field flatter to obtain sharp, wide-field images using a dedicated camera. - Flexible setups: Convert 3/8 inch holes to 1/4 inch threads and swap screws of various small sizes to fit different accessories and mounts, enabling rapid configuration changes. Key attributes - Function: modular mounting and broad accessory compatibility for observing and imaging. - Compatibility: supports PU150A, PU200A, PU300A; 3/8" holes convertible to 1/4" threads. - Performance: enables adjustable positioning, higher magnification with Barlow lenses, and a range of imaging adapters and filters for enhanced detail.