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Tamron 50-300mm F/4.5-6.3 Di III VC VXD Lens Compared to the Tamron 70-300mm f/4.5-6.3 Di III RXD Lens
| Specifications | Tamron 50-300mm F/4.5-6.3 Di III VC VXD Lens | Tamron 70-300mm f/4.5-6.3 Di III RXD Lens |
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| Year Introduced | 2024 | 2020 |
| Mounts On | Full-Frame, APS-C | Full-Frame |
| Lenses / Groups | 19/14 | 15/10 |
| Angle of View: Diagonal | 46°48' - 8°15' | 34° 21' - 8° 15' |
| Aperture | ||
| Aperture Range - Wide / Long | f/4.5-22 / f/6.3-32 | f/4.5-6.3 / f/22-32 |
| Aperture Max by Focal Length | 50-69mm = f/4.5 70-101mm = f/5.0 102-178mm = f/5.6 179-300mm = f/6.3 |
70-109mm = f/4.5 110-151mm = f/5.0 152-240mm = f/5.6 241-300mm = f/6.3 |
| Number of Aperture Blades | 9 | 7 |
| Rounded Aperture? | Y | Y |
| Weight | ||
| Manufacturer Specification Weight | 23.5 oz (665g) | 19.2 oz (545g) |
| Actual Weight | 23.5 oz (665.1g) | 19.1 oz (540g) |
| Lens Hood Weight | 1.8 oz (49.9g) | 2.2 oz (62g) |
| In-Use Weight | 25.2 oz (715g) | 21.3 oz (602g) |
| Size | ||
| Manufacturer Spec Size (DxL) | 3.07 x 5.91” (78 x 150mm) | 3.03 x 5.83” (77 x 148mm) |
| Measured Size (DxL) | 3.06 x 6.13” (78 x 155.7mm) | 3.03 x 6.05” (77 x 153.7mm) |
| Max Length at Full Extension | 8.37” (212.5mm) | 8.41” (213.6mm) |
| Internal Zoom? / Extends with Zoom? | N / Y | N / Y |
| Zoom Extension Length | 2.24” (56.8mm) | 2.36” (59.9mm) |
| Internal Focusing? / Extends with Focusing? | Y / N | Y / N |
| Lens Hood Size (DxL) | 0 x 2.29” (0 x 58.2mm) | 3.59 x 2.92” (91.1 x 74.2mm) |
| Lens Length with Hood (Min-Max) | 8.26 - 10.5” (209.8 - 266.6mm) | 8.67 - 11.03” (220.3 - 280.2mm) |
| Size of Rings: Focus / Zoom | 0.89” / 2.24” (22.5mm / 57mm) | 0.58” / 2.99” (14.7mm / 76mm) |
| Filter Size | 67mm UV ► CP ► | 67mm UV ► CP ► |
| Front Element (Filter Mount) Rotates | N | N |
| Focus | ||
| AF Motor Type | VXD Linear | RXD Stepping |
| Full Time Manual Focus | Y | Y |
| Focus Ring Rotation | 710° | 1620° |
| Focus Limiter? / Focus Limiter Ranges | N | N |
| Distance Scale? / Type | N | N |
| Close Focus | ||
| Spec Min Focus Distance (Wide / Long) | 8.66” / 35.43” (220mm / 900mm) | 31.5” / 59.06” (800mm / 1500mm) |
| Tested Min Focus Distance (Wide / Long) | 8.58” / 35.47” (218mm / 901mm) | 26.18” / 55.71” (665mm / 1415mm) |
| Maximum Magnification | 0.50x | 0.20x |
| Features | ||
| Zoom Ring Rotation | 75° | 65° |
| Tripod Ring Included? / Removable? | N | N |
| Zoom Ring Lock Switch? | Y | N |
| Lens Hood Included / Model? | Y / HA-065 Buy ► | Y / HA047 Buy ► |
| Weather Sealed? / Filter Required? | Y / | Y / |
| Image Stabilization? / Stops? / Tripod Sensing? | Y / / | N |
| Extender Compatible? | N | N |
| Case Included? / Type? | N / | N / |
| 47.25" x 31.5" Subject Framing Distance | 50mm = 6.06' 70mm = 8.32' 100mm = 11.90' 135mm = 15.60' 200mm = 23.37' 300mm = 33.11' |
70mm = 8.28' 100mm = 11.74' 200mm = 22.84 300mm = 33.12' |
| 1200mm x 800mm Subject Framing Distance | 50mm = 1847mm 70mm = 2536mm 100mm = 3627mm 135mm = 4755mm 200mm = 7122mm 300mm = 10092mm |
70mm = 2524mm 100mm = 3579mm 200mm = 6961mm 300mm = 10096mm |
| Review | Tamron 50-300mm F/4.5-6.3 Di III VC VXD Lens | Tamron 70-300mm f/4.5-6.3 Di III RXD Lens |
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