Tamron SP 28-75mm f/2.8 Aspherical LD XR Di IF Macro Autofocus Lens for Pentax K-Mount {67} A09

Model #359648

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The Tamron 28-75mm f/2.8 XR Aspherical Macro DI IF LD (model A09P) is a fast aperture medium zoom range lens for Pentax K Mount DSLR cameras. The lens is part of Tamron's DI (Digitally Integrated Design) line of lenses. DI lenses have optics adapted for the unique challenges and performance characteristics of digital sensors such as increased resolution and sensor reflectivity. The 28-75mm is designed to cover full 35mm frame format sensors where it offers a zoom range spanning from moderately wide angle at the 28mm focal length to the start of the portrait lens range at it's 75mm focal length.

The f/2.8 maximum aperture is constant throughout full the zoom range, makes shooting in challenging available lighting conditions possible, and allows significant background blur. Bright f/2.8 aperture zooms like this one are the go-to general purpose choice of most working professional photographers. In the past, comparable lenses weighed 2 pounds with 77mm diameter fronts. In the 28-75mm f/2.8 XR Tamrons engineers have quite notably found a way to adeptly use XR (Extra Refractive Index) and LD (Low Dispersion) glass elements in optical arrangements that maintain high image quality while reducing the size and weight of the design considerably. The 28-75mm f/2.8 XR weighs-in at a svelt 510g (1.12lbs) and uses 67mm filters, a revolutionary feat!

The Tamron 28-75mm f/2.8 XR is a superb versatile general purpose lens and it travels well thanks to it's excellent form factor. It's a great option for Nikon users wanting high quality images and flexibility without being weighed down unnecessarily.

Key Features

  • Superior Performance medium zoom range lens
  • For Pentax K (KAF) Mount
  • Covers full 35mm frame format
  • Versatile zoom goes from wide angle to the start of the portrait range
  • Di (Digitally Integrated Design) optics for digital sensors
  • Bright f/2.8 constant maximum aperture
  • Revolutionary compact form factor, smallest and lightest in it's class
  • 2 XR (Extra Refractive Index) elements
  • 3 LD (Low Dispersion) glass elements
  • 4 Aspherical lens elements
  • Circular aperture diaphragm (7 blades)
  • Gear drive focus (uses camera AF motor)
  • IF (Internal Focus) design and non-rotating filter ring
  • Close focus to 0.33m (13in)
  • Maximum magnification of 1:3.9 at 75mm focal length
  • Zoom lock switch prevents barrel extension while carrying
  • Weighs only 510g (1.12lbs)
  • Uses 67mm filters
  • Mechanical aperture control allows use on broad range of cameras and adapters

Available accessories include the petal style bayonet lens hood and 67mm filters.

Brand Name Tamron
Filter Size 67mm
Focus Type Manual focus (only)
Lens Mount Pentax KAF2 (SMC-DA, SMC-DFA)
Lens Type Wide-Angle, Standard / Normal
Max Focal Length 75mm
Min Focal Length 28mm

Learn what to expect cosmetically from each grade. Images are representative and may not reflect the exact item. All gear is guaranteed functional unless noted. Accessories are typically not included unless listed. Like New through Bargain grades include a 180-day warranty. Items may also be available.

Exceptions


New
New in box complete with manufacturer's USA warranty. Not previously owned or used.
Like New
Essentially new with no signs of use. “Open box.” In manufacturer's packaging with original accessories and instructions. 180-day warranty.
As Is
Non-functional or damaged. Equipment will not work. Usable for parts. Not covered under KEH warranty and non-returnable.

Like New Minus

Like New Minus
Like New Minus

Like New Minus

Barely used with virtually no traces of wear. Only the closest inspections will reveal slight use. Lens glass could contain light dust or debris. Excellent picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.

Excellent Plus

Excellent Plus
Excellent Plus

Excellent Plus

Lightly used with limited signs of wear. Exceptionally nice but may have slight wear on finish visible. Lens glass could contain light dust or debris. Excellent picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.

Excellent

Excellent
Excellent

Excellent

Noticeably used with average signs of wear with the possibility of blemishes and/or minimal dings. Lens glass may have average dust and zoom/focus ring tension may have slight looseness or tightness overall, but will not affect picture quality. 180-day warranty.

Bargain

Bargain
Bargain

Bargain

Heavily used with noticeable cosmetic and optical wear, but performance is mostly unaffected. May have dents, dings, or finish loss. Lens glass may have small scratches, dust, and blemishes, and zoom/focus ring tension may have moderate looseness or tightness overall. 180-day warranty.

Ugly

Ugly
Ugly

Ugly

Heavily used with extensive visible wear. Equipment is rough, with multiple impressions in the finish, excessive finish loss and brassing. Glass will have marks, fungus and/or heavy/cloudy haze which could affect picture quality. Accessories usually not included, unless noted in listing. Not covered under KEH warranty.