Lens Specifications and Measurements
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| Specifications | Canon EF 100-300mm f/4.5-5.6 USM Lens |  |
| Focal Length Range | 100-300mm | |
| Angle of View: Diagonal | 24° – 8°15' | |
| Angle of View: Horizontal | 20° – 6°50' | |
| Angle of View: Vertical | 14° – 4°35' | |
| Lenses / Groups | 13/10 | |
| Aperture | ||
| Aperture Range - Wide / Long | f/4.5-32 / f/5.6-38 | |
| Aperture Max by Focal Length | 100-114mm = f/4.5 115-179mm = f/5.0 180-300mm = f/5.6 |
|
| Number of Aperture Blades | 8 | |
| Rounded Aperture? | ||
| Weight | ||
| Manufacturer Specification Weight | 19.1 oz | |
| Actual Weight | 17.1 oz | |
| Lens Hood Weight | 1.1 oz | |
| In-Use Weight | 18.2 oz | |
| Size | ||
| Manufacturer Spec Size (DxL) | 2.87 x 4.8” | |
| Measured Size (DxL) | 2.87 x 5.1” | |
| Max Length at Full Extension | 7.01” | |
| Internal Zoom? / Extends with Zoom? | N / Y | |
| Zoom Extension Length | 1.97” | |
| Internal Focusing? / Extends with Focusing? | Y / Y | |
| Lens Hood Size (DxL) | 3.46 x 2.07” | |
| Lens Length with Hood (Min / Max) | 6.82 / 8.72” | |
| Size of Rings - Zoom / Focus | 2.63” / 0.28” | |
| Filter Size | 58mm | |
| Front Element (Filter Mount) Rotates | N | |
| Features | ||
| Tripod Ring Included? / Removable? | N | |
| Zoom Ring Lock Switch? | ||
| Lens Hood Model / Included? | ET-65III / N | |
| Weather Sealed? / Filter Required? | N | |
| Image Stabilization? / Stops? / Tripod Sensing? | N | |
| Case Included? / Type? | N / LP1019 | |
| Focus | ||
| AF Motor Type | Ring USM | |
| Full Time Manual Focus | Y | |
| Focus Limiter? / Focus Limiter Ranges | N | |
| Distance Info Provided to Camera? | Y | |
| Distance Scale? / Type | Y / Window | |
| Metal Mount? | Y | |
| Extender Compatible? | N | |
| Close Focus | ||
| Specified Min Focus Distance | 59.1” | |
| Tested Min Focus Distance (Wide / Long) | 57.95” / 57.68” | |
| Maximum Magnification (MM) | ||
| MM with 12mm Extension Tube | 0.26-0.04x | |
| MM with 25mm Extension Tube | 0.37-0.09x | |
| MM with 250D Closeup Lens | ||
| MM with 500D Closeup Lens | ||
| History | ||
| Year Introduced | 1990 | |
Recommended Shopping Resources (Using these links to make your purchase supports this site)
Canon EF 100-300mm f/4.5-5.6 USM Lens at B&H Photo
Canon EF 100-300mm f/4.5-5.6 USM Lens at Adorama (Imported)
Canon EF 100-300mm f/4.5-5.6 USM Lens at Adorama
Canon EF 100-300mm f/4.5-5.6 USM Lens at Amazon.com
Canon EF 100-300mm f/4.5-5.6 USM Lens at J&R
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