The focal length reducer 0.8x and the field planter William Optics 6A designed for correcting the star points in WO f / 6 refractors. 2 "design ensures good cooperation with APS matrices and smaller pes.

• intended for use with APS-C mirrorless cameras and mirrorless cameras
• doublet, with FMC layers
• glass: Ohara Corporation
• reduction factor: 0.8x
• works extremely well with popular refractors 66-80 mm f / 6 other than WO brands
• anodized, careful finish, all internal surfaces are threaded and blackened to eliminate reflections
• simple mounting: T-2 rotary thread
• T-2 / Canon EOS ring included
• especially recommended for WP refractors: ZS71, GT81, GT102