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Tamron A03 AF 28-200mm F/3.8-5.6 XR IF Macro Lens

The Tamron A03 is a 28–200mm f/3.8 lens designed for Canon EF, Nikon F, Sony A, Pentax K mount cameras. Used copies start from $49.99 on GearFocus, with buyer protection on every purchase.

Tamron A03 AF 28-200mm F/3.8-5.6 XR IF Macro Lens

Tamron A03 AF 28-200mm F/3.8-5.6 XR IF Macro Lens

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Tamron 28-200mm f/3.8-5.6 (171D) for Nikon F
Tamron 28-200mm f/3.8-5.6 (171D) for Nikon F

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Lens OverviewTamron A03

The Tamron A03 AF 28-200mm f/3.8-5.6 is a full-frame compatible zoom lens offering a broad focal range from 28mm wide angle through 200mm telephoto. With a maximum aperture of f/3.8 at the wide end, it covers a wide spectrum of shooting scenarios in a single optic. The lens supports both autofocus and manual focus operation, giving shooters flexibility depending on the situation.

One of its most practical strengths is its broad mount compatibility — it is available in Canon EF, Nikon F, Sony A, and Pentax K mounts, making it accessible to a wide range of DSLR users across different camera systems. The lens is rated for full-frame sensors, so it can be used on both full-frame and crop-sensor bodies without vignetting concerns on the former. It accepts 72mm filters, which is a common and reasonably accessible filter size.

Weighing just 354g, this is a notably lightweight option for a lens covering such an extensive zoom range, making it well-suited for travel and everyday carry situations where minimizing bag weight is a priority. No image stabilization is included, which is worth factoring in when shooting at longer focal lengths or in lower light.

Key FeaturesTamron A03

28-200mm Zoom Range: A single lens covers wide-angle through telephoto, reducing the need to carry multiple lenses for everyday and travel shooting.

Full-Frame Coverage: Designed for full-frame sensors, it can also be used on APS-C crop-sensor DSLRs without vignetting concerns.

f/3.8 Maximum Aperture: A relatively bright aperture at the wide end provides reasonable light-gathering capability for a superzoom lens.

Macro Capability: Close-focus macro functionality allows for detailed shots of small subjects without a dedicated macro lens.

XR (Extra Refractive Index) Glass: High-refractive-index glass elements help keep the lens compact despite its extensive zoom range.

Internal Focus (IF) Design: The front element does not rotate or extend during focusing, making polarizer use easier and handling more stable.

Lens SpecificationsTamron A03

Tamron A03 full specifications
SpecDetail
Use CasesTravel, Portrait, Landscape, Macro
Lens TypeAll-in-One / Travel Zoom
FormatFull Frame
Zoom/PrimeZoom
Focal Length28–200mm
Maximum Aperturef/3.8
Camera SystemDSLR
Lens MountCanon EF, Nikon F, Sony A, Pentax K
AutofocusYes
Focus TypeAuto, Manual
Image StabilizationNone
Filter Thread72mm

DescriptionTamron A03

The Tamron A03 AF 28-200mm f/3.8-5.6 is a full-frame compatible zoom lens spanning 28mm to 200mm, covering wide-angle through telephoto shooting with a single optic. Its maximum aperture of f/3.8 at the wide end provides reasonable light-gathering capability, though this narrows to f/5.6 at the telephoto end. The lens supports both autofocus and manual focus, offering flexibility across different shooting styles and situations.

At just 354g, it is a lightweight option for its zoom range, making it well-suited for travel and on-the-go photography. It is available in Canon EF, Nikon F, Sony A, and Pentax K mounts, covering a wide range of DSLR platforms. The 72mm filter thread accommodates standard filter accessories.

Note that no image stabilization is included, so technique and shutter speed management become more important when shooting at longer focal lengths.

ProsTamron A03

  • Wide 28–200mm focal length range (minFocalLength: 28, maxFocalLength: 200) covers wide angle to telephoto in one lens
  • Full-frame rated (lensFormat: Full Frame), compatible with both full-frame and crop-sensor DSLRs
  • Broad mount compatibility across Canon EF, Nikon F, Sony A, and Pentax K systems

ConsTamron A03

  • No image stabilization (imageStabilization: None), which can be a drawback at longer focal lengths
  • Maximum aperture narrows to f/5.6 at the telephoto end, limiting low-light performance at 200mm
  • 72mm filter thread is larger and heavier than some competing lenses in this category, adding accessory cost

Resources & DownloadsTamron A03

Frequently Asked QuestionsTamron A03

What camera mounts is this lens available in?+
The Tamron A03 is available in Canon EF, Nikon F, Sony A, and Pentax K mounts. This covers a broad range of DSLR camera systems, so be sure to select the correct mount version for your camera body.
Is this lens compatible with full-frame cameras?+
Yes, the lens is rated for full-frame sensors (lensFormat: Full Frame). It can also be used on crop-sensor DSLR bodies within the supported mount families.
Does this lens have image stabilization?+
No, image stabilization is listed as None in the specifications. Shooters working at longer focal lengths or in lower light may need to compensate with higher shutter speeds or higher ISO settings.
What filter size does this lens use?+
The Tamron A03 has a 72mm filter thread. This is a moderately large filter size, so factor in the cost of 72mm filters if you plan to use polarizers, ND filters, or similar accessories.
How heavy is this lens?+
The lens weighs 354g, which is quite light for a zoom covering 28–200mm. This makes it a practical choice for travel photography where keeping kit weight low is a priority.
Does this lens support autofocus?+
Yes, autofocus is supported (autoFocus: true), and the lens also allows manual focus operation. Both focus modes are available according to the specifications.

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