Review Lens: Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical [IF] Pentax

Lens Overview - Tamron SP AF 28-75mm F/2.8

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A versatile zoom lens for everyday shooting, this SP 28-75mm F/2.8 XR Di Lens from Tamron covers a useful wide-angle to portrait-length range of focal lengths to suit photography in a variety of environments. Its internal auto focus motor provides quick and precise focusing performance, while a sophisticated optical design that incorporates XR (Extra Refractive Index) and LD (Low Dispersion) glass among 16 elements and 14 groups helps to improve sharpness, contrast, and color accuracy. To benefit working in difficult lighting conditions, a wide, f/2.8 constant maximum aperture affords consistent brightness throughout the lens's zoom range.

Standard zoom is designed for FX-format Nikon F-mount DSLRs, however can also be used with DX models where it provides a 42-112.5mm equivalent focal length rangeBright f/2.8 constant maximum aperture affords consistent brightness throughout the zoom range, and benefits working in difficult lighting conditionsInternal auto focus motor with manual override for quick and precise focusing performanceXR (extra refractive) and LD (low dispersion) glass among 16 elements and 14 groups helps to improve sharpness, contrast, and color accuracySeven-blade circular diaphragm contributes to a smooth and pleasing bokeh quality
UPC: 725211097037

Tamron SP AF 28-75mm F/2.8 Latest Price



Focal Length28 to 75mm (35mm Equivalent Focal Length: 42 to 112.5mm)
Maximum Aperturef/2.8
Minimum Aperturef/32
Lens MountNikon F
Format CompatibilityFull-Frame
Angle of View75° to 32°
Minimum Focus Distance1.08' / 33 cm
Maximum Magnification0.26x
Optical Design16 Elements in 14 Groups
Diaphragm Blades7
Focus TypeAutofocus
Image StabilizationNone
Filter Size67 mm (Front)
Dimensions (ø x L)2.87 x 3.62" / 7.29 x 9.19 cm
Weight1.12 lb / 508 g

Photos Example - Tamron SP AF 28-75mm F/2.8

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Lens Technical

Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical [IF] PentaxPentax HD DA* 11-18mm F2.8 ED DC AWCanon RF 70-200mm F2.8L IS USM
Name Tamron SP AF 28-75mm F/2.8 XR Di LD Aspherical [IF] PentaxPentax HD DA* 11-18mm F2.8 ED DC AWCanon RF 70-200mm F2.8L IS USM
Max Aperture At Min Focal f/2.8f/2.8f/2.8
Year 200320192019
Mount Type Pentax KAFPentax KAFCanon RF
Lens Type Lens Wide,lens MediumLens SuperwideLens Medium,lens Telephoto,lens Supertelephoto
Auto Focus NoNoNo
Price $499$1840
Lens Zoom ZoomZoomZoom
Lens Range 281170
Global 15.2591
Effective Mega Pixel 8.91873
Distorsion 0.14758
Vignetting -0.350571
Tstop 3.16276
Ac 5.66997
Vignetting Ranking 688
Tstop Ranking 5105
Ac Ranking 2680
Pixel Depth 24
Price Sensor 1300
Sensor Raw 24.51
Sensor Format Sensor Apsc
Type SemiProDSLR
Zoom Factor 111
Weight 1lb1lb1lb
Macro NoNoNo
Launch Date Mar. 2003Jan. 2019Feb. 2019
Brand TamronPentaxCanon


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