Some people mentioned in their reviews that it was compact. Archie wrote in his review of the Pentax K-1 on Amazon “This is a fairly compact camera for a fully featured DSLR with a specification much higher than its price point” and scored it 5 stars. Ash wrote on Amazon “I came to this camera having had little-to-no experience with anything other than a compact 'point-and-shoot' camera”. Ash also wrote “A couple of days with a compact system camera”.
Several people who reviewed it reckoned that it was a good body shape. Andrew L. he said “Fantastic camera body for the price”. Andrew L. also mentioned “I have already got some great shots with this body and my existing Pentax-fit lenses, much better than I was able to achieve with my previous body”. Gcw said on Amazon “You can be confident that the camera body will work under most conditions” in their Pentax K-1 review.
Some customers concluded that the Pentax K-1 was a good weight. Amazon Customer mentioned in their Pentax K-1 review “It is a nice weight, layout of buttons” and gave the product a rating of 5 stars. E. Palmer mentioned three years ago “The first thing you notice is the weight - so much lighter does not feel as solid” in their review of this digital camera. L. W. Newton said “The K-5 II it is around a 3rd smaller in physical size and a little lighter in weight, there are a few less buttons than the K-5 II” in their review.
Several customers concluded that the Pentax K-1 was heavy and bulky. Emma Clarke wrote on Amazon “Not too heavy, only took an evening to suss out for most of the functions” in her review of the Pentax K-1 and scored the product 5 stars. Three years ago Nikola. mentioned “It takes Nice pictures, very comfortable grip, not heavy and most of all I don't have to be worried about whether conditions any more with W.R”.
One person wrote that this digital camera was good structurally. Bruno Pereira said in his Pentax K-1 review on Amazon three years ago “It has an amazing construction quality and good grip, image quality is one of the best out there at this price range”.