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Pentax SMC Pentax-D FA 50mm f/2.8 Macro

Photo: DragonLord (CC BY-SA 3.0)

SMC Pentax-D FA 50mm f/2.8 Macro

  • 50mm
  • f/2.8
  • Macro
  • 265 g

Quick answer

A compact full-frame 50mm macro for Pentax, weighing about 265 g and reaching 1:1. It has a 49mm filter thread.

Pros

  • True 1:1
  • Light at about 265 g
  • Sharp
  • Compact

Cons

  • Short working distance
  • No lens stabilization
  • Screw-drive autofocus

Verdict

A light macro. Working distance is short at 1:1.

About this lens

The Pentax SMC Pentax-D FA 50mm f/2.8 Macro is a macro lens covering 50mm at f/2.8 for Pentax K mount cameras. It is intended for close-up work with small subjects such as flowers and insects.

Pentax SMC Pentax-D FA 50mm f/2.8 Macro specifications

Brand
Pentax
Mount
Pentax K
Focal length
50mm
Maximum aperture
f/2.8
Lens type
Macro
Format coverage
full-frame
Released
2004
Optical construction
8 elements in 7 groups
Aperture blades
8
Autofocus motor
screw-drive
Maximum magnification
1x
Filter thread
49 mm
Weight
265 g
Length
60 mm
Diameter
67.5 mm

Specification source: en.wikipedia.org

What can you shoot with the Pentax SMC Pentax-D FA 50mm f/2.8 Macro?

  • Macro and copy work
  • General photography
  • Light travel kit

Its bright maximum aperture handles indoor and evening light reasonably well.

Full-frame equivalent and field of view

Calculated from the focal length and crop factor. Not measured.

Sensor Crop Equivalent Horizontal FOV Diagonal FOV
Full frame 1.0x 50mm 39.6° 46.8°
APS-C 1.5x 75mm 27° 32.2°

Try the field-of-view calculator

Frequently asked questions

Does the Pentax D FA 50mm f/2.8 Macro have image stabilization?

No. Pentax bodies stabilize the sensor, so shake reduction depends on the camera.

What filter size does it use?

The front thread measures 49mm, which is the size to look for when choosing a polarizer, UV or ND filter.

Is the Pentax D FA 50mm f/2.8 Macro a full-frame lens?

Yes. The D FA designation means it covers full-frame sensors.

Alternatives for Pentax K from other brands

All Pentax K lenses

Same mount, overlapping focal range, closest maximum aperture first.

More Pentax lenses for Pentax K

All Pentax lenses

Other 50mm lenses

All 50mm lenses

Cameras that fit the Pentax K mount

All Pentax K cameras (20)