A number of people who purchased it considered that it was able to produce good images. A. C. Yelmo wrote “Nearly all the cameras in the world, as you can easily check googling images for "on-off dial") had the controls inverted”. Barso wrote “Sometimes it can take great photos with the pancake” in their review of the Pentax K-01. Boatbuilder Man said on Amazon three years ago “Takes perfectly good pictures most of the time” in their review.
Some customers considered that it was good in low light. Three years ago A. C. Yelmo said “The low light sensitivity is great” in their review of this digital camera however despite that they gave the Pentax K-01 a rating of 60 out of 100. N. Topham scored it very highly and said in their review of this digital camera on Amazon “I had a Pentak K-7 and the improvment in image quality and low light performance quickly promoted this to the camera of choice”. Nr mentioned “Good in low light too”.
Two Pentax K-01 owners who bought it agreed that it had a good picture resolution. Dr. M. Z. Aung said “The PENTAX K-01 is an interchangeable lens camera with super-high-resolution image quality supported by approximately 16.28 effective megapixels” in their review of the Pentax K-01.
One Pentax K-01 owner considered that this digital camera had a good ISO range. Four years ago Reviewed.com wrote “Excellent high ISO performance”.