SLR Lens Comparison

Half Frame
	Canon	Nikon	Sony	Pentax	Olympus	Sigma	Tamron	Tokina


Long Zoom	Canon EF-S 17-85/4-5.6 IS	Nikon DX 18-200/3.5-5.6 VR	Sony DT 18-250/3.5-6.3	Pentax DA 18-250/3.5-6.3	Olympus 18-180/3.5-6.3

Small Aperture Zoom	Canon EF-S 10-22/3.5-4.5		Sony DT 11-18/4.5-5.6
	Canon EF-S 18-55/3.5-5.6	Nikon DX 18-55/3.5-5.6	Sony DT 18-70/3.5-5.6	Pentax DA 18-55/3.5-5.6	Olympus 14-42/3.5-5.6
	Canon EF-S 55-250/4-5.6 IS	Nikon DX 55-200/4-5.6 VR	Sony DT 55-200/4-5.6	Pentax DA 50-200/4-5.6	Olympus 40-150/4-5.6
					Olympus 70-300/4-5.6

Medium Aperture Zoom					Olympus 7-14/4
		Nikon DX 12-24/4		Pentax DA 12-24/4	Olympus 11-22/2.8-3.5
				Pentax DA 16-45/4	Olympus 14-54/2.8-3.5
					Olympus 50-200/2.8-3.5

Large Aperture Zoom	Canon EF-S 17-55/2.8 IS	Nikon DX 17-55/2.8		Pentax DA 16-50/2.8
				Pentax DA 50-135/2.8	Olympus 35-100/2
					Olympus 90-250/2.8

Small Aperture Prime				Pentax DA 14/2.8
				Pentax DA 21/3.2
				Pentax DA 40/2.8
				Pentax DA 70/2.4

Large Aperture Prime					Olympus 150/2
Large Aperture Prime					Olympus 300/2.8

Macro					Olympus 35/3.5 Macro
Macro	Canon EF-S 60/2.8 Macro				Olympus 50/2 Macro

Fish Eye		Nikon DX 10.5/2.8 Fisheye		Pentax DA 10-17/3.5-4.5 Fisheye	Olympus 8/3.5 Fisheye

Tele Converter					Olympus 1.4x

Full Frame

Long Zoom	Canon 28-300/3.5-5.6 IS			Pentax 28-105/3.2-4.5

Variable Aperture Zoom	Canon 20-35/3.5-4.5	Nikon 18-35/3.5-4.5
	Canon 28-135/3.5-5.6 IS	Nikon 24-120/3.5-5.6 VR	Sony 24-105/3.5-4.5	Pentax 28-80/3.5-5.6
	Canon 55-200/4.5-5.6
	Canon 70-300/4-5.6 IS	Nikon 70-300/4.5-5.6 VR	Sony 75-300/4.5-5.6	Pentax 75-300/4.5-5.8
	Canon 100-400/4.5-5.6 IS	Nikon 80-400/4.5-5.6 VR

Small Aperture Zoom	Canon 17-40/4			Pentax 20-35/4
	Canon 24-105/4 IS
	Canon 70-200/4 IS

Large Aperture Zoom	Canon 16-35/2.8	Nikon 14-24/2.8
	Canon 24-70/2.8	Nikon 24-70/2.8
	Canon 70-200/2.8 IS	Nikon 70-200/2.8 VR	Sony 70-200/2.8
		Nikon 200-400/4 VR

Small Aperture Prime	Canon 20/2.8	Nikon 20/2.8	Sony 20/2.8
	Canon 24/2.8	Nikon 24/2.8
	Canon 28/2.8	Nikon 28/2.8	Sony 28/2.8
	Canon 35/2	Nikon 35/2		Pentax 35/2
				Pentax 43/1.9
	Canon 50/1.8	Nikon 50/1.8
	Canon 85/1.8	Nikon 85/1.8		Pentax 77/1.8
	Canon 100/2	Nikon 105/2
	Canon 135/2.8		Sony 135/2.8
	Canon 200/2.8	Nikon 180/2.8
	Canon 300/4 IS	Nikon 300/4
	Canon 400/5.6
			Sony 500/8

Medium Aperture Prime	Canon 28/1.8			Pentax 31/1.8
Medium Aperture Prime	Canon 50/1.4	Nikon 50/1.4	Sony 50/1.4	Pentax 50/1.4

Large Aperture Prime	Canon 14/2.8	Nikon 14/2.8
	Canon 24/1.4
	Canon 35/1.4		Sony 35/1.4
	Canon 50/1.2
	Canon 85/1.2	Nikon 85/1.4	Zeiss 85/1.4
	Canon 135/2	Nikon 135/2	Zeiss 135/1.8
		Nikon 200/2 VR
	Canon 300/2.8 IS	Nikon 300/2.8 VR	Sony 300/2.8	Pentax 300/2.8
	Canon 400/2.8 IS	Nikon 400/2.8 VR

Tele Converter	Canon 1.4x	Nikon 1.4x	Sony 1.4x
		Nikon 1.7x
	Canon 2x	Nikon 2x	Sony 2x

Macro	Canon 50/2.5 Macro	Nikon 60/2.8 Micro	Sony 50/2.8 Macro	Pentax 50/2.8 macro
	Canon MP-E 65/2.8 1-5x
	Canon 100/2.8 Macro	Nikon 105/2.8 Micro VR	Sony 100/2.8 Macro	Pentax 100/2.8 macro
	Canon 180/3.5 Macro	Nikon 200/4 Micro

Tilt Shift	Canon TS-E 24/3.5
	Canon TS-E 45/2.8
	Canon TS-E 90/2.8	Nikon PC 85/2.8 Micro

Fish Eye	Canon 15/2.8 Fisheye	Nikon 16/2.8 Fisheye	Sony 16/2.8 Fisheye