Sigma 170–500mm F/5–6.3 APO Lens – Sony/Minolta A Mount - Excellent

A rare ultra-telephoto zoom lens offering an impressive 170–500mm focal range, designed for Sigma AF mount cameras. This APO version features low-dispersion glass and aspherical elements for improved image quality across its extensive zoom range. Though autofocus is disabled on this copy, manual focus operation remains smooth and precise—ideal for tripod-based wildlife, aviation, or landscape photography.

Key Features:

• Focal Length: 170–500mm – ultra-telephoto reach for distant subjects
• Maximum Aperture: f/5–6.3 – suitable for daylight and tripod use
• Optical Design: 13 elements in 11 groups, including 3 SLD (Special Low Dispersion) elements and 1 aspherical lens
• Diaphragm: 9 blades for smooth background blur
• Minimum Focus Distance: Approx. 3.2m (10.5 ft)
• Maximum Magnification: 1:6.6
• Filter Thread: 86mm – supports large polarizers and UV filters
• Mount: Sigma AF (SAF) – compatible with select Sigma DSLRs
• Focus Type: Manual focus only
• Dimensions: 92.5mm × 232mm
• Weight: Approx. 1345g
• Tripod Collar: Removable, included

Included:

• Front and rear lens caps
• Tripod collar

Excellent Condition:

• Optics: Clear
• Mechanics: Fully working
• Cosmetics: Excellent with light signs of use

User Notes:

• Manual focus only – ideal for deliberate shooting styles and tripod setups
• Delivers solid sharpness and contrast, especially when stopped down
• Compatible with Sigma DSLRs using the SAF mount; not suitable for Canon/Nikon/Pentax bodies without modification
• Best used with a sturdy tripod due to size and weight
• Popular among wildlife and aviation photographers for its reach and value

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