Polaroid Polaroid Studio Series 900mm f/8 HD Manual Focus Telephoto Mirror Lens, 0.37x Magnification A Fully Multi-Coated (Every Element) Low Dispersion Glass Capable Of Producing Sharp, High Definition Images &lt;&gt; Anti-reflection Coating High Speed Auto Exposure Capable &lt;&gt; Includes Deluxe Lens Case Infrared Compatible &lt;&gt; Compact and lightweight Aluminum alloy construction A T Mount Adapter Is Required To Attach This Lens (Sold Separately)