Sony Alpha DSLR-A100 Wildlife lenses that have a focus motor

". It's construction with Metal and Plastic minimizes weight while maintaining a very quality feel. It allows hand holding at the 400mm end with results that are incredible."

	Focus motor	Sony SSM			Aperture	f/4
	Zoom range	5.7x			Fixed aperture	No
	Image stabilization	None			Max focal length	400 mm
	Min focal length	70 mm			Length	196 mm

"Wow, Great lens from 120 to 400mm nice photos and pretty fast for under $1000.00 lens."

	Focus motor	Sigma HSM			Aperture	f/4.5
	Zoom range	3.3x			Fixed aperture	No
	Image stabilization	Sigma OS			Max focal length	400 mm
	Min focal length	120 mm			Length	204 mm

"Captured tons of amazing shots of birds and wildlife. Images crisp, clear; even at 200mm.- Great quality, easy to focus, quick focus, good aperture.- No cons."

Quite short 102 mm

	Focus motor	Sigma HSM			Aperture	f/4
	Zoom range	4x			Fixed aperture	No
	Image stabilization	Sigma OS			Max focal length	200 mm
	Min focal length	50 mm			Length	102 mm

"I like nature and photograph birds,bugs,mushrooms and flowers. I had been useing the Sony 75-300 kit lens which was noisy and slow to focus. The 70-300G lens is silent and acquires focus almost instantly.I no longer have purple fringing on my bird shots. I love this lens."

	Focus motor	Sony SSM			Aperture	f/4.5
	Zoom range	4.3x			Fixed aperture	No
	Image stabilization	None			Max focal length	300 mm
	Min focal length	70 mm			Length	137 mm

"The telephoto capabilities of this lens are great and the wide-angle aspects at 18-24 area make this a multipurpose daily go everywhere lens."

Great zoom range 13.9x

	Focus motor	Sigma HSM			Aperture	f/3.5
	Zoom range	13.9x			Fixed aperture	No
	Image stabilization	Sigma OS			Max focal length	250 mm
	Min focal length	18 mm			Length	n/a