Thank you for viewing! TAMRON SP 500mm F8 Mirror Lens Model Name: 55B A lightweight and compact mirror-type super-telephoto 500mm lens that fits in the palm of your hand. By adopting a newly developed rear surface mirror, aberrations caused by focusing are corrected in the lens section. Continuous focusing is possible from infinity to the macro range (maximum macro magnification 1:3, 1.7m), and the adoption of a silver-coated mirror with a reflectivity of 95% or more achieves high transmittance, boasting uniform and high-contrast image quality. 【Specifications】 Model Name: 55BB Mount: Adaptall 2 Focal Length: 500mm Open F-value: 8.0 Lens Construction: 4 groups 7 elements Minimum Aperture: - Minimum Focusing Distance: 1.7m Maximum Magnification: 1:3 Filter Diameter: 30.5mm Hood: 28FH Weight: 595g Maximum Diameter x Overall Length: 84mm x 91.5mm Price: ¥62,400 (tax included ¥65,520) Release Date: 1983 Production End: 2006 ==================== ◾️Appearance Overall, it is in a clean condition. There are fine scratches due to use, but there is no noticeable damage and it is in good condition. ◾️Optics (Visual Check) Slight dust and debris are visible inside the lens due to use. ◾️Operation Operation is unconfirmed as there is no way to check. ◾️Items Included ・Lens ・Hood In the unlikely event of an initial defect, we will provide a warranty. Please purchase with confidence♪ (Please contact us within 10 days of arrival, before the receipt evaluation) Management Number: 018