Nikon D5600 Lenses made by Sigma for less than $700 that have a f/2.8 or faster aperture

"This lens is really great. The picture quality is awsome. It can make great proxy. I've shot a picture of a spider and i can see the hair over his eyes." bhphotovideo.com

More advanced image stabilization Sigma OS

Great zoom range 4.1x

	Aperture	f/2.8			Zoom range	4.1x
	Fixed aperture	No			Min focal length	17 mm
	Fisheye	No			Diameter	79 mm
	Image stabilization	Sigma OS			Max focal length	70 mm

"Amazing very nice lens." bhphotovideo.com

More advanced image stabilization Sigma OS

	Aperture	f/2.8			Zoom range	2.9x
	Fixed aperture	Yes			Min focal length	17 mm
	Fisheye	No			Diameter	84 mm
	Image stabilization	Sigma OS			Max focal length	50 mm

"The Sigma 15mm 2.8 is really a very fine lens. The build is first rate and the glass is in the upper tier of the lot." bhphotovideo.com

Fisheye Extremely wide circular images

	Aperture	f/2.8			Zoom range	1x
	Fixed aperture	n/a			Min focal length	15 mm
	Fisheye	Yes			Diameter	74 mm
	Image stabilization	None			Max focal length	15 mm

"This lens is wonderful for macro photography. Sharp focus, great depth of field and excellent price makes it a must have lens." bhphotovideo.com

	Aperture	f/2.8			Zoom range	1x
	Fixed aperture	n/a			Min focal length	50 mm
	Fisheye	No			Diameter	71 mm
	Image stabilization	None			Max focal length	50 mm

"It is terrific! Colors are warm and pure, autofocus is fast and razor sharp, and backgrounds melt into smooth blurred colors." bhphotovideo.com

	Aperture	f/1.4			Zoom range	1x
	Fixed aperture	n/a			Min focal length	50 mm
	Fisheye	No			Diameter	84 mm
	Image stabilization	None			Max focal length	50 mm