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Black Tamron SP 10-24mm zoom lens with textured barrel and Pentax mount

Tamron

Tamron SP B001 10-24mm f/3.5-4.5 Di-II Zoom Lens for Pentax

SKU CH-MGCN-MRDCG

Ultra-wide 10-24 mm zoom for Pentax APS-C DSLRs with a bright f/3.5-4.5 aperture and aspherical elements to control distortion

  • TypeZoom Lens
  • ColorBlack
  • Ultra-wide 10-24 mm zoom captures expansive scenes
  • Bright f/3.5-4.5 aperture enables low-light shooting
  • Three glass-molded and three hybrid aspherical elements reduce aberrations
  • Rounded 7-blade diaphragm creates smooth bokeh
  • Micro motor delivers accurate, smooth autofocus

Wide-angle zoom for APS-C

The Tamron SP B001 covers a 10-24 mm focal range with a variable f/3.5-4.5 maximum aperture. It is built for Pentax DSLR cameras that use smaller APS-C or DX sensors, providing a 35 mm equivalent field of view. The lens suits photographers who need ultra-wide perspectives for architecture, interiors or landscapes.

Optical design reduces aberrations

Three glass-moulded aspherical and three hybrid aspherical elements work together to limit chromatic and spherical aberrations as well as distortion. A rounded 7-blade diaphragm produces smooth background rendering. A micro motor drives autofocus with smooth, quiet operation, and the lens achieves a maximum magnification ratio of 1:5 at the semi-wide setting.

Crop-sensor coverage only

The Di-II designation means the image circle is sized for APS-C sensors, so vignetting occurs on full-frame bodies. The variable aperture narrows from f/3.5 at 10 mm to f/4.5 at 24 mm, reducing light transmission at the long end. Autofocus relies on a micro motor rather than an ultrasonic drive, which can be slower in low-contrast scenes.

Highlights

  • Ultra-wide 10-24 mm zoom captures expansive scenes
  • Bright f/3.5-4.5 aperture enables low-light shooting
  • Three glass-molded and three hybrid aspherical elements reduce aberrations
  • Rounded 7-blade diaphragm creates smooth bokeh
  • Micro motor delivers accurate, smooth autofocus

Specifications

TypeZoom Lens
ColorBlack
BrandTAMRON
ModelNot Available

Questions about this item

Will the Micro Motor autofocus need servicing after heavy use?

The Micro Motor drives focus internally; no external moving parts are exposed, so routine cleaning of the front element is the only regular upkeep.

What optical limit appears first when shooting wide open at 10 mm?

At 10 mm and f/3.5 the design uses three glass-moulded aspherical and three hybrid aspherical elements to control distortion and chromatic aberration, which remain the limiting factors.

How much heat does the lens generate during all-day video recording?

Passive metal barrel dissipates the small amount of heat from the Micro Motor; no active cooling is involved and the lens stays comfortable to hold.

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