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Tamron 70-300mm f/4.5-6.3 Di III RXD Lens Compared to the Sony FE 70-300mm F4.5-5.6 G OSS Lens
| Specifications | Tamron 70-300mm f/4.5-6.3 Di III RXD Lens | Sony FE 70-300mm F4.5-5.6 G OSS Lens |
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| Year Introduced | 2020 | 2016 |
| Mounts On | Full-Frame | Full-Frame, APS-C |
| Lenses / Groups | 15/10 | 16/13 |
| Angle of View: Diagonal | 34° 21' - 8° 15' | 34° – 8° 10' |
| Aperture | ||
| Aperture Range - Wide / Long | f/4.5-6.3 / f/22-32 | f/4.5-22 / f/5.6-29 |
| Aperture Max by Focal Length | 70-109mm = f/4.5 110-151mm = f/5.0 152-240mm = f/5.6 241-300mm = f/6.3 |
70-82mm = f/4.5 83-156mm = f/5.0 157-300mm = f/5.6 |
| Number of Aperture Blades | 7 | 9 |
| Rounded Aperture? | Y | Y |
| Weight | ||
| Manufacturer Specification Weight | 19.2 oz (545g) | 30.1 oz (854g) |
| Actual Weight | 19.1 oz (540g) | 30.2 oz (855g) |
| Lens Hood Weight | 2.2 oz (62g) | 1.6 oz (45g) |
| In-Use Weight | 21.3 oz (602g) | 31.8 oz (900g) |
| Size | ||
| Manufacturer Spec Size (DxL) | 3.03 x 5.83” (77 x 148mm) | 3.31 x 5.65” (84 x 143.5mm) |
| Measured Size (DxL) | 3.03 x 6.05” (77 x 153.7mm) | 3.33 x 5.85” (84.5 x 148.6mm) |
| Max Length at Full Extension | 8.41” (213.6mm) | 8.42” (213.9mm) |
| Internal Zoom? / Extends with Zoom? | N / Y | N / Y |
| Zoom Extension Length | 2.36” (59.9mm) | 2.57” (65.3mm) |
| Internal Focusing? / Extends with Focusing? | Y / N | Y / N |
| Lens Hood Size (DxL) | 3.59 x 2.92” (91.1 x 74.2mm) | 3.78 x 2.4” (96 x 61mm) |
| Lens Length with Hood (Min-Max) | 8.67 - 11.03” (220.3 - 280.2mm) | 8.09 - 10.67” (205.6 - 270.9mm) |
| Size of Rings: Focus / Zoom | 0.58” / 2.99” (14.7mm / 76mm) | 0.46” / 1.94” (11.7mm / 49.2mm) |
| Filter Size | 67mm UV ► CP ► | 72mm UV ► CP ► |
| Front Element (Filter Mount) Rotates | N | N |
| Focus | ||
| AF Motor Type | RXD Stepping | Linear AF Motor |
| Full Time Manual Focus | Y | |
| Focus Ring Rotation | 1620° | 225° |
| Focus Limiter? / Focus Limiter Ranges | N | Y / 9.8' (3m) - ∞ Full |
| Distance Scale? / Type | N | N |
| Close Focus | ||
| Spec Min Focus Distance (Wide / Long) | 31.5” / 59.06” (800mm / 1500mm) | 35.43” (900mm) |
| Tested Min Focus Distance (Wide / Long) | 26.18” / 55.71” (665mm / 1415mm) | 34.17” / 35.12” (868mm / 892mm) |
| Maximum Magnification | 0.20x | 0.31x |
| Features | ||
| Zoom Ring Rotation | 65° | 70° |
| Tripod Ring Included? / Removable? | N | N |
| Zoom Ring Lock Switch? | N | Y |
| Lens Hood Included / Model? | Y / HA047 Buy ► | Y / ALC-SH144 Buy ► |
| Weather Sealed? / Filter Required? | Y / | Y / |
| Image Stabilization? / Stops? / Tripod Sensing? | N | Y / / |
| Extender Compatible? | N | N |
| Case Included? / Type? | N / | Y / Pouch |
| 47.25" x 31.5" Subject Framing Distance | 70mm = 8.28' 100mm = 11.74' 200mm = 22.84 300mm = 33.12' |
70mm = 8.44' 100mm = 11.51' 135mm = 15.41' 200mm = 22.51' 300mm = 32.38' |
| 1200mm x 800mm Subject Framing Distance | 70mm = 2524mm 100mm = 3579mm 200mm = 6961mm 300mm = 10096mm |
70mm = 2572mm 100mm = 3509mm 135mm = 4699mm 200mm = 6862mm 300mm = 9872mm |
| Review | Tamron 70-300mm f/4.5-6.3 Di III RXD Lens | Sony FE 70-300mm F4.5-5.6 G OSS Lens |
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