**Pentax 50-135mm f/2.8* IF SDM SMC ED AL**

Pentax 50-135mm f/2.8* IF SDM SMC ED AL

* (professional)ultrasonic screw driven dustproof & waterproof

Main function	multifunctional
System	Pentax
Mount	Pentax K
Focal length	50 - 135 mm
Aperture value	f/2.8
Viewing angles	32° - 12°
Min. diaphragm	22
Minimum focus distance	1 m
Maximum zoom	0.17
Sensor size	APS-C
Autofocus drive	ultrasonic drive motor
AF drive (screw driven)	/ disabled by software, but present with the possibility of activation through firmware replacement /
Design (elements/groups)	18 elements in 14 groups / including 3 ED elements /
Number of diaphragm blades	9
Dustproof & waterproof
Filter diameter	67 mm
Dimensions (diameter/length)	76.5х136 mm
Weight	685 g
Added to E-Catalog	april 2008

. Universal lens for Pentax systems with K mounts and APS-C matrices. It has a shift in focal lengths towards “long-range” — their range is 50-135 mm, with a constant aperture of f / 2.8. Autofocus is provided by an ultrasonic motor. Also worth noting is the 9-blade aperture with a minimum value of 22.

Everything is relative: interchangeable lenses for cameras from third-party manufacturersLenses from alternative brands: money down the drain or an increase in image quality?

Information in model description is for reference purposes.
Before buying always check characteristics and configuration of product with online store manager
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