Sony Alpha DSLR-A100 Zoom Lenses that have a Sony SSM focus motor

"used it mostly for taking pictures of small animals flowers and trees, and I have to say I was pleasantly surprised with the qualities of the results."

Fixed aperture The same aperture at all focal lengths

	Focus motor	Sony SSM			Zoom range	2.9x
	Fixed aperture	Yes			Length	197 mm
	Max focal length	200 mm			Weight	1.4 kg
	Aperture	f/2.8			Min focal length	70 mm

"I tested the lens last night. It is very sharp and as advertised."

Fixed aperture The same aperture at all focal lengths

	Focus motor	Sony SSM			Zoom range	2.2x
	Fixed aperture	Yes			Length	114 mm
	Max focal length	35 mm			Weight	0.9 kg
	Aperture	f/2.8			Min focal length	16 mm

"It is sharp wide open, focuses fast,handles easily, and weighs less than my 2.8 300"

Great telephoto lens 400 mm

	Focus motor	Sony SSM			Zoom range	5.7x
	Fixed aperture	No			Length	196 mm
	Max focal length	400 mm			Weight	1.6 kg
	Aperture	f/4			Min focal length	70 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			Zoom range	4.3x
	Fixed aperture	No			Length	137 mm
	Max focal length	300 mm			Weight	0.8 kg
	Aperture	f/4.5			Min focal length	70 mm