This hefty, constant-aperture zoom showed overall decent optics in our tests, with the exception of close-up performance at 300mm.

Standout Spec: Tripod-collar lock knob has a spring-loaded safety catch that prevents the lens from slipping out of the collar. Smart!

Product Specifications

Lens Type: Zoom
Compatibility: Full Frame
Range: Telephoto, Super Telephoto
Mount: Canon, Nikon, Pentax, Sigma, Sony
Auto Focus: Yes
Full-Time Manual Focus Override: Yes
Silent AF: Yes
Zoom: Yes
Minimum Focal Length: 100 mm
Maximum Focal Length: 300 mm
Fastest Aperture: f/4.0
Slowest Aperture: f/32.0
Image Stabilization: No
Elements: 16
Groups: 14
Filter Size: 82 mm
Length: 8.8 inches
Weight: 52.2 ounces
Price: $1200.00
Tripod Collar: No
Included Case: Yes
Macro: No
Tilt/Shift: No
Model Number: