# Constant GSD


	DJI P1
	Sentera 65R
	Sony A7R4

## Description A constant GSD comparison of the Sentera 65R, DJI P1, and Sony A7R4. The altitude values from each sensor will vary based on their lens. ## Flight Specifications

Sensor	Aircraft	GSD	Altitude	Overlap	Flight Speed	RTK	Image Format	Data Volume	Number of Photos
Sentera 65R	M300	0.28in/0.72cm	200ft / 60m	75%	10mph	No	JPEG	12.3GB	439
DJI P1	M300	0.28in/0.72cm	185ft / 56m	75%	10mph	No	JPEG RAW	18.0GB 55.3GB	655
Sony A7R4	Astro	0.28in/0.72cm	150ft / 46m	75%	10mph	No	JPEG	6.35GB	271

## Camera Specifications

Sensor	HFOV	VFOV	Focal Length	Resolution	Max Capture Rate
Sentera 65R	57.9	45.1	27mm	65MP 9344x7000	3 FPS
DJI P1	54.5	37.8	35mm	45MP 8192x5460	1.5 FPS
Sony A7R4	73.3	55	24mm	60MP 9504x6336	0.5 FPS

## Data Set Contents * RGB Mosaic * DSM * Raw Images * Stitching Report {% hint style="info" %} If you want to download the raw images and process yourself, download the Raw Images.zip file from each folder location. {% endhint %} ## Sentera 65R Data {% embed url="" %} ## DJI P1 Data {% embed url="" %} ## Sony A7R4 Data {% embed url="" %}