Some people who reviewed it agreed that it was compact. Four years ago Archie mentioned “This is a fairly compact camera for a fully featured DSLR with a specification much higher than its price point”. 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” in their review of the Pentax K-1. Ash also mentioned “A couple of days with a compact system camera”.
A few people who purchased the product said that it was a good body shape. Andrew L. said in his review of this digital camera “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 wrote “You can be confident that the camera body will work under most conditions” .
Five Pentax K-1 owners who reviewed it mentioned that it was a good weight. Amazon Customer said in their review two years ago “It is a nice weight, layout of buttons”. Four years ago E. Palmer rated this digital camera as excellent and said in their Pentax K-1 review “The first thing you notice is the weight - so much lighter does not feel as solid”. L. W. Newton said on Amazon also four years ago “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”.
Some customers mentioned in their reviews that the product was heavy and bulky. Emma Clarke rated it 5 stars and she mentioned on Amazon four years ago “Not too heavy, only took an evening to suss out for most of the functions”. Nikola. said on Amazon “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” in their review of this digital camera.
One Pentax K-1 owner considered that it was good structurally. Bruno Pereira wrote in his Pentax K-1 review “It has an amazing construction quality and good grip, image quality is one of the best out there at this price range”. One Pentax K-1 owner who purchased this digital camera thought it was lightweight. Del 58 mentioned “Lightweight and with superb stainless steel” in their review of this digital camera.