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This compact, lightweight, standard zoom lens provides the most frequently requested focal-length range for general photography. Ranging from wide angle to medium telephoto, it’s designed to accommodate the image circle of the large full-frame image sensor, incorporating state-of-the-art optics and high-performance optical elements. When mounted on the PENTAX K-1 camera body, it delivers high-resolution imaging power, making it an ideal everyday-use lens, suitable for a variety of scenes, from landscape to street photography to portraits.

This compact, lightweight, standard zoom lens provides the most frequently requested focal-length range for general photography. Ranging from wide angle to medium telephoto, it’s designed to accommodate the image circle of the large full-frame image sensor, incorporating state-of-the-art optics and high-performance optical elements. When mounted on the PENTAX K-1 camera body, it delivers high-resolution imaging power, making it an ideal everyday-use lens, suitable for a variety of scenes, from landscape to street photography to portraits.

Standard zoom lens covering most frequently-used range

This standard zoom lens accommodates the image circle of a full-frame image sensor, and covers focal lengths between 28mm wide angle to 105mm medium telephoto. By incorporating the latest optics and a number of high-performance optical elements, it retains a sufficient brightness level even at edges of the image field, while effectively compensating for aberrations. It delivers high-resolution images by optimizing the imaging power of the PENTAX K-1’s 36MP sensor. Its compact, lightweight design and excellent cost performance make this lens a perfect companion lens to the PENTAX K-1.

Excellent image resolution, complementing the PENTAX K-1 full-frame performance

With 15-element, 11-group optics, this zoom lens incorporates two high-precision aspherical optical elements, one ED (Extra-low Dispersion) glass optical element and one anomalous-dispersion glass optical element to deliver bright, sharp images with minimal chromatic and spherical aberrations. The optics are designed to deliver ample resolving power for the large, high-pixel image sensor, producing well-defined, fine-detailed images.

HD Coating to improve image description

This lens is treated with the high-grade, multi-layer HD (High Definition) coating. Compared with conventional multi-layer coatings, this PENTAX-original coating assures higher light transmittance and less reflection to deliver bright, high-contrast images that are free of flare and ghost images, even under demanding lighting conditions such as backlight.
　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　

Quick-Shift Focus System

This PENTAX-developed system allows for flawless, delay-free switching from autofocus to manual-focus operation, after the subject is captured in focus by the camera’s AF system.

Weather-resistant construction

This lens features a dependable weather-resistant construction with eight sealing parts to effectively prevent the intrusion of water into the lens interior. Paired with a weather-resistant PENTAX digital SLR camera body, it creates a durable, dependable digital imaging system that performs superbly in demanding shooting settings — even in rain or mist, or in locations prone to water splashing or spray.

Other features

・SP (Super Protect) Coating applied to the front surface of the lens to effectively repel water and grease.

・Rounded diaphragm to produce a smooth, beautiful bokeh (defocus) effect, while minimizing the streaking effect of point light sources.

・Built-in DC motor to assure smooth, quiet, high-speed autofocus operation

LENS MOUNT:	PENTAX KAF3
FOCAL LENGTH 35MM	28-105mm
FOCAL LENGTH (APS-C)	43-161mm
APERTURE	f/3.5-5.6
MIN APERTURE	f/22-f/32
LENS CONSTRUCTION	15 Elements in 11 Groups
ANGLE OF VIEW 35MM	15.5° - 53°
ANGLE OF VIEW (APS-C)	23.5° - 75°
MIN FOCUSING DISTANCE	0.5m (1.64 ft.)
MAX MAGNIFICATION	0.22x
FILTER DIAMETER	62mm
DIAPHRAGM CONTROL	Fully Automatic
NUMBER OF APERTURE BLADES	9
APERTURE BLADES	Rounded Aperture: 28mm: f/3.5 – 6.3 105mm: F5.6-10
LENS APERTURE RING	N/A
LENS HOOD	PH-RBC62 (included)
LENS CAP	O-LC62 (included)
LENS CASE	S80-120 (optional)
MAX DIAMETER X MIN LENGTH	2.87" x 3.41"
WEIGHT	15.5oz (w/o lens hood)
NOTES	HD Coating, SP (Super Protect) Coating, Quick Shift Focus, SDM (Supersonic Direct-Drive Motor), WR (Weather Resistant)

Pentax D FA 28-105mm f/3.5-5.6 ED DC WR Lens

$899.00 ETA: 21/01/2025

Code: 21297 MPN:

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At a glance

3.8x zoom with wide to mid-telephoto range
Weather Resistant construction
DC Motor for fast, silent AF operation
Quick Shift focus system
HD Coating
SP Coating

Related Categories Related Lenses by Sensor Size Related Lenses by Type

Pentax D FA 28-105mm f/3.5-5.6 ED DC WR Lens

$899.00 ETA: 21/01/2025

Find a Dealer |

3.8x zoom with wide to mid-telephoto range
Weather Resistant construction
DC Motor for fast, silent AF operation
Quick Shift focus system
HD Coating
SP Coating

This compact, lightweight, standard zoom lens provides the most frequently requested focal-length range for general photography. Ranging from wide angle to medium telephoto, it’s designed to accommodate the image circle of the large full-frame image sensor, incorporating state-of-the-art optics and high-performance optical elements. When mounted on the PENTAX K-1 camera body, it delivers high-resolution imaging power, making it an ideal everyday-use lens, suitable for a variety of scenes, from landscape to street photography to portraits.

LENS MOUNT:	PENTAX KAF3
FOCAL LENGTH 35MM	28-105mm
FOCAL LENGTH (APS-C)	43-161mm
APERTURE	f/3.5-5.6
MIN APERTURE	f/22-f/32
LENS CONSTRUCTION	15 Elements in 11 Groups
ANGLE OF VIEW 35MM	15.5° - 53°
ANGLE OF VIEW (APS-C)	23.5° - 75°
MIN FOCUSING DISTANCE	0.5m (1.64 ft.)
MAX MAGNIFICATION	0.22x
FILTER DIAMETER	62mm
DIAPHRAGM CONTROL	Fully Automatic
NUMBER OF APERTURE BLADES	9
APERTURE BLADES	Rounded Aperture: 28mm: f/3.5 – 6.3 105mm: F5.6-10
LENS APERTURE RING	N/A
LENS HOOD	PH-RBC62 (included)
LENS CAP	O-LC62 (included)
LENS CASE	S80-120 (optional)
MAX DIAMETER X MIN LENGTH	2.87" x 3.41"
WEIGHT	15.5oz (w/o lens hood)
NOTES	HD Coating, SP (Super Protect) Coating, Quick Shift Focus, SDM (Supersonic Direct-Drive Motor), WR (Weather Resistant)

Code: 21297 MPN:

Related Categories Related Lenses by Sensor Size Related Lenses by Type

Code: 21297 MPN:

At a glance

3.8x zoom with wide to mid-telephoto range
Weather Resistant construction
DC Motor for fast, silent AF operation
Quick Shift focus system
HD Coating
SP Coating

Related Categories Related Lenses by Sensor Size Related Lenses by Type

RICOH IMAGING manufacture professional imaging equipment and hold long standing brand heritage. With an extensive product range of digital SLRs and a large range of interchangeable lens systems such a medium format, full frame and APS-C sensor sizes. Further our range of compact cameras, binoculars and spotting scopes are suitable for a variety of indoor and outdoor activities via the Pentax series. Ricoh also pioneers a range of 360° imaging devices that encapsulate fully spherical scenes through the Theta series

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