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PENTAX > 
Item#: 9SIA4A71E45229

PENTAX 21870 DA 50-200mm f/4-5.6 ED WR Lens

  • Flexible 4X zoom coverage in the telephoto range.
  • Weather-resistant to handle damp, inclement conditions
  • The PENTAX-original Quick-Shift Focus System
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With a medium range 4X telephoto zoom in an affordable, durable package, this lens catches medium- to long-distance objects and everything in between. And it’s weather-resistant, so you can keep exploring even in damp, inclement conditions.

  • newegg Weather-resistant The weather-resistant design allows the smc PENTAX DA 50-200mm F4-5.6 ED WR to handle damp, inclement conditions, ideal for outdoor shooting when used on Pentax weather resistant DSLR bodies.
  • newegg Quick-Shift Focus System The PENTAX-original Quick-Shift Focus System allows instant switching from autofocus to manual focus operation.
  • newegg ED and Aspherical Lens Elements The Extra-low Dispersion (ED) glass lens element and two aspherical lens elements offer superior sharpness with minimum chromatic and spherical aberration.
  • newegg Improved Control Developed specifically for PENTAX digital SLR cameras, the lens features a simple, functional design which provides improved operability and body-based depth of field control.


Learn more about the PENTAX 21870

Model

Brand
PENTAX
Model
21870
Type
Zoom Lens

Spec

Diameter
49mm
Focal Length
50 - 200 mm
Aperture
Maximum: f/4 - 5.6 Minimum: f/22 - 32
Camera Mount
PENTAX KAF2
Angle of View
31.5 - 8.1 degree
Minimum Focus Distance
3.6' (1.1m)
Magnification
0.24x
Lens Construction
11 elements in 10 groups
Filter thread (Diameter)
49 mm
Dimensions
2.7" x 3.1" (69 x 79.5mm)
Weight
10.1 oz (285g)
Specifications
LENS MOUNT: PENTAX KAF2

FOCAL LENGTH: 50-200mm (equiv 76.5-307mm)

APERTURE: F4-5.6

MIN APERTURE: F22-32

LENS CONSTRUCTION: 11 elements in 10 groups

ANGLE OF VIEW: 31.5-8.1 degree (w/ PENTAX DSLR)

MIN FOCUSING DISTANCE: 3.6' (1.1m)

MAX MAGNIFICATION: 0.24X

DIAPHRAGM CONTROL: Fully Automatic

NUMBER OF APERTURE BLADES: 6

MAX DIAMETER x MIN LENGTH: 2.7" x 3.1" (69 x 79.5mm)

WEIGHT (W/O HOOD): 10.1 oz (285g)

Features

Features
Flexible 4X zoom coverage in the telephoto range.

Weather-resistant to handle damp, inclement conditions.

The PENTAX-original Quick-Shift Focus System allows instant switching from autofocus to manual focus operation.

An Extra-low Dispersion (ED) glass lens element and two aspherical lens elements offer superior sharpness with minimum chromatic and spherical aberration.

The PENTAX-original SP (Super Protect) coating repels dust, water and grease to keep your lens clean and your image quality at its peak.

Simple and functional design improves operability and body-based depth of field control.

The focal length is equivalent to 76.5mm-307mm in the 35mm format.

Quick Info


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PENTAX > 
Item#: 9SIA4A71E45229
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