A number of customers mentioned that it was compact. Expert review site Ephotozine.com mentioned “It's designed to compete with other premium compact cameras, such as the Sony Cyber-shot RX100 II, with 1inch sensor, although benef”. Ephotozine.com also wrote “It has an ultra compact magnesium alloy body that weighs only 204g”. Ephotozine.com also mentioned “Is designed to compete with other premium compact cameras, such as the Sony Cyber-shot RX100 II, with 1inch sensor, etc, although benefits from a larger Micro Four Thirds sensor.”.
A number of people who bought it concluded that it was lightweight. Expert website Digitaltrends.com wrote in their review of the Panasonic Lumix DMC-GM1 “Panasonic deserves a round of applause for designing a very compact and lightweight interchangeable lens camera” and rated it 75 out of 100. Amateurphotographer.co.uk said in their review of the Panasonic Lumix DMC-GM1 “A mix of lightweight, compact design”. Camerastuffreviewcom wrote “Extremely compact, lightweight” in their review and rated it 4 stars.
One Panasonic Lumix DMC-GM1 owner who bought it concluded that it was a squeeze to fit in. Expert review site Whatdigitalcamera.com wrote “The way such impressive features have been squeezed into such a small body goes to show what is possible” in their Panasonic Lumix DMC-GM1 review and gave the product a rating of 5 stars.
One person concluded that it was a good body shape. Three years ago expert website Techradar.com/au/ said “It's impressive that Panasonic has managed to compress its excellent technology into a body as remarkably small as this” and rated the product as excellent.