This price includes tariffs, based on the applicable tariff charges. This change is effective as of 04/30/2025, updated 10/25/25. Pricing is subject to change and may fluctuate.Tamron 23FM25SP23FM SP Series lenses are fixed focal length lenses. They incorporate advanced technologies in compact packages to deliver ultra-high optical quality even in close-focusing distances, providing ideal solutions in various image processing applications. They're optimized for 4.0 µm pixel size and can be used on up to 2/3″ sensors.23FM25SP Technical Specifications: Product Line / Series 23FM-SP Lens Type Fixed Focal Length IP Rating Not Specified Focal Length 25 mm ƒ/N ƒ/1.4 - ƒ/22 Imager Format 2/3″ Light Spectrum Visible Resolution (MP) 3 Resolution (Pixel Size) 4 μm Weight 103 Mount C-Mount Filter Thread M30.5-0.5 Minimum Object Distance 150 mm Magnification Not Specified Front Diameter Not Specified Rear Effective Diameter Not Specified Focus Control Manual with Lock Iris Control Manual with Lock Zoom Control None Focus Range 0.15 m - ∞ Operating Temperature Range -10 to +60 °C Dimensions 34 × 34 × 47 mm TV Distortion (%) Not Specified FOV @ 1/3″ 11° × 8.2° FOV @ 1/2″ 14.6° × 11° FOV @ 2/3″ 20° × 15.1°