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Home » Camera Lens Reviews » Sigma 150-500mm F5-6.3 APO DG OS HSM Pentax Review: Features, Performance Measures

Sigma 150-500mm F5-6.3 APO DG OS HSM Pentax Review: Features, Performance Measures

Looking to find more information regarding the Sigma 150-500mm F5-6.3 APO DG OS HSM Pentax? Read our latest review to learn more about the Sigma 150-500mm F5-6.3 APO DG OS HSM Pentax, its specifications, and if it’s a good camera lens for you. 

Sigma 150-500mm F5-6.3 APO DG OS HSM Pentax Overview

Sigma has been a brand known for quality lenses since their inception in 1973. The Sigma 150-500mm F5-6.3 APO DG OS HSM Pentax is no exception to this rule. This is one of the most versatile lenses out there, with an equivalent focal length of 300-1000mm when paired with a full frame camera body or 450-1000mm on a crop sensor body! It’s also got some really impressive performance measures that are sure to impress any photographer who wants versatility at their fingertips.

Sigma 150-500mm F5-6.3 APO DG OS HSM Pentax Specifications

The Sigma 150-500mm F5-6.3 APO DG OS HSM Pentax was first announced on 01/01/2008 with a Pentax KAF mount type. Below is a summary of this len’s specifications: 

Indicative Price: $1069

Focal Range: 150-500mm

Aperture: F/ 5-6.3

Filter Diameter (millimeters): 77

Maximum Diameter (millimeters): 94.7

Number Of Lenses: 21

Length (millimeters): 252

AF Motor: HSM

Stabilization: OS

Zoom Type: Ring

Tripod Mount: Yes

Colors Available: Black

Full-Time Manual Focus: Yes

Weight (grams): 1910

Sigma 150-500mm F5-6.3 APO DG OS HSM Pentax Performance

The performance of the Sigma 150-500mm F5-6.3 APO DG OS HSM Pentax camera lens is  truly impressive. The Sigma 150-500mm F/Sigma 150-500mm delivers excellent resolution at all focal lengths, even wide open! It’s also got an incredible amount of detail in the center that holds up well into the mid and corner portions of the frame too. Stopping down doesn’t really seem to improve this lens’ performance much either; it seems like finding better results is more about location within the frame than anything else.

Build and Handling Quality

The build quality is  solid, with a metal mount and included lens hood. It’s got a nice weight to it as well without being too heavy or cumbersome for the average photographer. The Sigma 150-500mm F/Sigma 150-500mm is pretty big, but doesn’t feel overbearing on the camera body either.

Autofocus Performance

The autofocus on the Sigma 150-500mm F5-6.3 APO DG OS HSM Pentax lens is   pretty good. It’s not the fastest focusing lens around, but it does lock on quickly and accurately for most subjects.

Sharpness

In terms of sharpness,  this lens is truly one of the best out there. It’s not super sharp wide open, but it does get pretty darn close at f/11 and smaller. The Sigma 150-500mm F/Sigma 150-500mm also has an excellent macro mode that allows for some impressive detail reproduction when you need to shoot up close too!

Vignetting

Vignetting is  very minimal on this lens; it’s really not that noticeable in most cases. Stopping down does seem to exacerbate the issue, however, even though the Sigma 150-500mm F/Sigma 150-500mm is still pretty sharp at f/11 and smaller.

Chromatic Aberration

Chromatic aberration is  very well controlled on this lens, with only a slight amount of purple fringing when shooting high contrast subjects in the corners. Overall it’s pretty minimal and easy to correct if you do notice any issues while editing your images post image capture.

Distortion

Distortion is about average  on the Sigma 150-500mm F/Sigma 150-500mm. There’s a little bit of barrel distortion at all focal lengths that gets worse as you move towards 500 mm, but it’s pretty easily correctable in post processing if necessary.

Image Quality

Like we mentioned earlier,   the image quality of this lens is truly phenomenal. At all focal lengths it’s pretty sharp, even wide open! Stopping down to around f/11 does seem to improve things a bit more though, as the Sigma 150-500mm F/Sigma 150-500mm becomes tack sharp from corner to corner then. The colors that come out of this lens are also really great; we found that they were realistic and lifelike, with good saturation as well.

Bokeh

Bokeh is very smooth when shooting with the Sigma 150-500mm F/Sigma 150-500mm, but it’s also not overly creamy either. It does a great job of separating your subject from the background in most cases though!

How Does The Sigma 150-500mm F5-6.3 APO DG OS HSM Pentax Score? 

Below are the lens metric scores we’ve measured for this specific lens: 

  • Performance and Image Quality: 7/10
  • Features: 7/10
  • Bokeh: 8/10
  • Build Quality: 10/10
  • AutoFocus Quality: 8/10
  • Handling: 6.5/10
  • Value: 7.5/10

Sigma 150-500mm F5-6.3 APO DG OS HSM Pentax Pros and Cons

Below are some of the pros and cons regarding this lens. 

Pros: 

The pros of this camera lens include:

  • Excellent image quality
  • Sharp images across the frame at all focal lengths, even wide open!

Cons: 

The cons of this camera lens include: 

  • Autofocus is a little slow and loud, but still accurate most of the time
  • Some vignetting when stopping down to F/11 or lower

Our Verdict

The Sigma 150-500mm F5-6.3 APO DG OS HSM Pentax is  an excellent lens for Pentax users looking to get the most out of their camera bodies. For what it is, we consider this one of Sigma’s best lenses and definitely recommend you check it out if you want a high-quality zoom lens with decent autofocus performance!

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