Pentax HD PENTAX-D FA 645 Macro 90mm f/2.8 ED AW SR

Pentax HD DFA645 Macro 90mm f/2.8 ED AW SR

Lens Summary

Brand: Pentax

Also Known As: Pentax 645 Macro 90mm f/2.8

Lens Type: Prime Lens

Format: Pentax 645 / MF

Focus: Autofocus

Lens Mount: Pentax 645

Release Date: 2012-09-10

MSRP Price: $4499.95

Made in: Japan

Infrared Rating: Good

Production Status: In Production

Lens Description: The Pentax 90mm f/2.8 D FA 645 Macro ED AW SR Lens is a fast, medium-length lens (equivalent to 71mm in 35mm-format) for use with Pentax 645-mount medium format cameras. The f/2.8 maximum aperture provides greater control over depth of field and features rounded 9-blade diaphragm construction. This lens has the Pentax Quick-Shift Focus System for rapid switching between auto and manual focus modes, and integrates a Shake Reduction mechanism for countering the effects of camera shake or image blur.

Pentax HD PENTAX-D FA 645 Macro 90mm f/2.8 ED AW SR Specifications

Lens Specifications
Lens TypePrime Lens
Focal Length90mm
Mount TypePentax 645
FormatPentax 645 / MF
Compatible Format(s)Pentax 645
Compatible with TeleconvertersNo
Maximum Reproduction Ratio0.5x
Shake Reduction (Image Stabilization)Yes
Aperture Information
Aperture RingNo
Maximim Aperturef/2.8
Minimum Aperturef/22
Maximum Angle of View (APS-C or smaller format)34°
Optical Information
Lens Elements11
Lens Groups9
Diaphragm Blades9
Fluorine CoatingYes
Focus Information
Built-in Focus MotorYes
Minimum Focus Distance0.41m
Filter Information
Filter Size67mm
Accepts Filter TypeScrew-on
Physical Characteristics
Weather / Dust SealingNo
Mount MaterialMetal
Dimensions6.35 x 3.81cm
Other Information
Available in ColorsBlack

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Ivan R Vernon

Reviewer says no Weather/Dust Sealing. However, this lens does offer the Pentax AW (all weather) rating, and indeed I consider this an important feature. You can walk around and capture all sorts of bugs in rain storm!