William Optics 50mm f4 guider / finder.

Available with or without the 90º diagonal, which features a 90º erect image prism.

Features:

• Fully multi-coated, high quality 50mm objective
• 5.7º field of view
• 54mm OTA / 58mm dewshield diameter
• 1.25" Helical focuser - accepts standard 1.25" eyepieces
• White power coated finish
• Nylon head screws
• Includes guide rings and mounting base

There are currently no specifications available for this product.

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