SMC Pentax DA* 300mm f/4 ED [IF] SDM

Brand & mount

  • Autofocus lens, USM
  • Brand: Pentax
  • Mount type: crop
  • Type: prime


SMC Pentax DA* 300mm f/4 ED [IF] SDM is a autofocus prime lens with ultra-sonic motor for half-frame SLR system.

Equivalent focal length is 465 mm. The optical scheme comprises 8 elements in 6 groups. Thanks to the 9-bladed aperture, the subjects located outside the depth of field are shown with very smooth features. Equipped with a silent ultrasonic motor providing fast and quiet autofocusing.

This lens has a size of 184 mm. The lens of this size it is difficult to carry. This lens weighs 1070 grams, given the weight of the camera, it may deliver long wearing problems. Mounting the filter has a common size.

May be available from:,,,

Add to CompareRemove ItemAdd to Wish ListRemove Item

Sample photos with SMC Pentax DA* 300mm f/4 ED [IF] SDM (

SDM' per_page='21']


All trademarks are the property of their respective owners in the US, Japan, Germany and other countries. This website is in no way affiliated with the manufacturers of lenses. Therefore, some information may be incorrect or incomplete. If you find a bug report it.

Good Websites