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Tamron SP AF 17-50mm f/2.8 XR Di II VC LD Aspherical (IF)

17–50 mm · f/17 · Canon EF, Nikon F AF

The Tamron SP AF 17-50mm f/2.8 XR Di II VC LD Aspherical (IF) is a 17–50 mm zoom lens with a maximum aperture of f/17 for the Canon EF, Nikon F AF mounts. Here are its field of view on different sensors, hyperfocal distances, Milky Way exposure limits and the cameras it fits.

Focal length
17–50 mm
Max aperture
f/17
Mount
Canon EF
Designed for
1.61× crop

Field of view by sensor

SensorDiagonal angle of view35 mm equivalent
APS-C (1.5×)79.5° – 31.6°26–76 mm
Canon APS-C (1.6×)77.0° – 30.3°27–80 mm
Micro Four Thirds64.9° – 24.4°34–100 mm

Hyperfocal distance

Focal length
17 mm
50 mm

Circle of confusion 0.019 mm (sensor size the lens is designed for).

Longest exposure for sharp stars

CameraNPF rule (wide open)500 rule
APS-C (24 MP)41.9 s @ f/1719.2 s

Cameras that fit (221)

Where to buy

B&H PhotoAmazonKEH (used)MPB (used)

FAQ

What is the Tamron SP AF 17-50mm f/2.8 XR Di II VC LD Aspherical (IF) equivalent to on APS-C?
It is designed for a 1.61× sensor, giving a full-frame equivalent of 27–81 mm.
Which cameras is the Tamron SP AF 17-50mm f/2.8 XR Di II VC LD Aspherical (IF) compatible with?
It fits Canon EOS 5DS, Canon EOS 5DS R, Canon EOS 6D, Canon EOS 6D Mark II, Canon EOS 5D Mark IV and more (see the full list above).