The smc PENTAX-DA* 50-135mm f/2.8 ED AL[IF]SDM telephoto zoom lens delivers the highest level of optical quality and includes SDM technology for fast, accurate, quiet focus. Bringing together advanced optical technologies, including aspherical elements, special optical-glass elements and original lens coatings, these new interchangeable lenses are superior to any existing lens series in terms of contrast, clarity and edge-to-edge sharpness.

SpecificationsSupport
Lens mount:

- PENTAX KAF2 mount

Lens construction:

- 18 elements in 14 groups

Angle of view:

- 31.5° - 11.9° (when used with PENTAX Digital SLR camera body)

Diaphragm control:

- Automatic

Number of aperture blades:

- 9

Minimum aperture:

- F22

Metering system:

- TTL open-aperture metering

Minimum focusing distance:

- 3.3 ft (1.0m)

Filter size:

- 67mm

Maximum magnification:

- 0.17X

Dimensions (diameter x length):

- 3.0 x 5.4 inches (76.5 x 136mm)

Weight (w/o hood):

- 24.2 oz. (685g)

Weight (with hood):

- 27.0 oz. (765g)

 

 

 

DA Lens Instruction Manual
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