Amazon has a ‘best of web’ price on the Canon EF 300mm f/2.8L IS USM Telephoto Lens for Canon SLR cameras. $3,999 + free shipping = $3,999. Make sure you choose Amazon as the retailer.

Specs:

• EF mount; telephoto lens
• Ultra-low Dispersion glass with Fluorite elements; inner focusing ring; full-time manual focus; image stabilizer
• 300mm focal length
• f/2.8 maximum aperture
• Micro UltraSonic Motor (USM)
• Angle of view (Horizontal, Vertical, Diagonal): 6 degrees 50 minutes, 4 degrees 35 minutes, 8 degrees 15 minutes
• Lens construction: 17 elements in 13 groups
• Number of diaphragm blades: 8
• Minimum aperture: 32
• Closest focusing distance: 8.2 feet
• Maximum magnification: 0.13x
• AF actuator: USM
• Filter diameter: 52 millimeters drop-in
• Maximum diameter by length: 128 by 252 inches
• Weight: 5.6 pounds (lens only)
• Magnification with Extension Tube EF 12 II: 0.18 to 0.04
• Magnification with Extension Tube EF 25 II: 0.24 to 0.09
• Lens hood: ET-120
• Hard case: Lens case 300
• Soft case: Not available
• GF Holder III (Hood III): NC
• GF Holder IV (Hood IV): NC
• Warranty: 1 year

Buy it: Canon EF 300mm f/2.8L IS USM Telephoto Lens – $3,999 Shipped

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