This independent review site earns affiliate commission (at no cost to you) when provided links are used to make any purchase
Tamron 28-75mm f/2.8 Di III RXD Lens Compared to the Sony FE 24-70mm F2.8 GM Lens
| Specifications | Tamron 28-75mm f/2.8 Di III RXD Lens | Sony FE 24-70mm F2.8 GM Lens |
|---|---|---|
 |
 |
|
| Year Introduced | 2018 | 2016 |
| Mounts On | Full-Frame, APS-C | Full-Frame, APS-C |
| Lenses / Groups | 15/12 | 18/13 |
| Angle of View: Diagonal | 75° 23' - 32° 11' | 84° – 34° |
| Aperture | ||
| Aperture Range - Wide / Long | f/2.8-22 | f/2.8-22 |
| Number of Aperture Blades | 9 | 9 |
| Rounded Aperture? | Y | Y |
| Weight | ||
| Manufacturer Specification Weight | 19.4 oz (550g) | 31.3 oz (886g) |
| Actual Weight | 19.1 oz (540g) | 31.4 oz (890g) |
| Lens Hood Weight | 0.9 oz (25g) | 1.2 oz (35g) |
| In-Use Weight | 19.9 oz (565g) | 32.7 oz (925g) |
| Size | ||
| Manufacturer Spec Size (DxL) | 2.87 x 4.64” (73 x 117.8mm) | 3.45 x 5.35” (87.6 x 136mm) |
| Measured Size (DxL) | 2.87 x 4.84” (73 x 123mm) | 3.45 x 5.57” (87.6 x 141.4mm) |
| Max Length at Full Extension | 5.82” (147.9mm) | 6.79” (172.5mm) |
| Internal Zoom? / Extends with Zoom? | N / Y | N / Y |
| Zoom Extension Length | 0.98” (24.9mm) | 1.22” (31.1mm) |
| Internal Focusing? / Extends with Focusing? | Y / N | Y / N |
| Lens Hood Size (DxL) | 3.41 x 1.43” (86.7 x 36.4mm) | 4.09 x 1.94” (103.9 x 49.3mm) |
| Lens Length with Hood (Min-Max) | 5.99 - 6.97” (152.1 - 177mm) | 7.2 - 8.42” (182.8 - 213.9mm) |
| Size of Rings: Focus / Zoom | 0.57” / 1.46” (14.6mm / 37.2mm) | 0.93” / 1.28” (23.5mm / 32.5mm) |
| Filter Size | 67mm UV ► CP ► | 82mm UV ► CP ► |
| Front Element (Filter Mount) Rotates | N | N |
| Focus | ||
| AF Motor Type | RXD Stepping | SSM |
| Full Time Manual Focus | Y | Y |
| Focus Ring Rotation | 1440° | 138° |
| Focus Limiter? / Focus Limiter Ranges | N | N |
| Distance Scale? / Type | N | N |
| Close Focus | ||
| Spec Min Focus Distance (Wide / Long) | 7.48” / 15.35” (190mm / 390mm) | 14.96” (380mm) |
| Tested Min Focus Distance (Wide / Long) | 7.24” / 15.12” (184mm / 384mm) | 13.78” / 14.65” (350mm / 372mm) |
| Maximum Magnification | 0.34x | 0.24x |
| Features | ||
| Zoom Ring Rotation | 60° | 70° |
| Tripod Ring Included? / Removable? | N | / |
| Zoom Ring Lock Switch? | N | Y |
| Lens Hood Included / Model? | Y / HA036 Buy ► | Y / ALC-SH141 Buy ► |
| Weather Sealed? / Filter Required? | Y / | Y / |
| Image Stabilization? / Stops? / Tripod Sensing? | N | N |
| Extender Compatible? | N | N |
| Case Included? / Type? | N / | Y / Padded Nylon |
| 47.25" x 31.5" Subject Framing Distance | 28mm = 3.39' 35mm = 4.12' 50mm = 5.95' 75mm = 8.49' |
24mm = 2.97' 35mm = 4.27' 50mm = 6.08' 70mm = 8.04' |
| 1200mm x 800mm Subject Framing Distance | 28mm = 1032mm 35mm = 1255mm 50mm = 1813mm 70mm = 2588mm |
24mm = 905mm 35mm = 1302mm 50mm = 1854mm 70mm = 2451mm |
| Review | Tamron 28-75mm f/2.8 Di III RXD Lens | Sony FE 24-70mm F2.8 GM Lens |
Buy ► 
|
Buy ►
| |
| Rent ► | Rent ► | |
Recommended Retailers
- B&H Photo(strongly recommended)
- Adorama
- Amazon.com
Wex Photographic- Check the used inventory at
B&H | KEH | Adorama | MPB
Rent it Here
Can you help right now?
Please share this page!
