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Q-mount Lenses

High-Performance Lenses

08 WIDE ZOOM

  • Zoom
  • High-Performance

This wide angle zoom lens can be used in constricted spaces where it is difficult to obtain separation from the subject, landscapes that emphasize a sense of vastness and perspective, and more.

Three glass-molded aspherical lenses are used for enabling a lens length of about 38mm, which is the shortest in the Q Mount Zoom lens lineup, and for providing a compact, lightweight design that weighs only about 75g. This lens is an easily portable size and has a focal length equivalent to 17.5mm to 27mm in the 35mm film format to enable usage in a wide variety of situations, including constricted spaces where it is difficult to obtain separation from the subject, landscapes that emphasize a sense of vastness and perspective, and more. The lens uses the cam barrel made of machined aluminum materials for a smooth and elegant tactile sensation when operating.
3.8mm to 5.9mm (equivalent to 17.5 to 27mm in 35mm film format) F3.7 to 4

Built-in lens shutter Built-in ND filter SP Coating Auto-aperture Metal-mount

Lens Front-cap / Q Lens Mount-cover Included, Hood : PH-RBF49 Optional
JAN-Code / 4549212 273292

Sample Images

  • Aperture F5.0, Shutter speed 1/1000sec, Focal length 3.8mm

  • Aperture F3.7, Shutter speed 3sec, Focal length 3.8mm

Features / Specifications

1. Compact, lightweight design
Three glass-molded aspherical lenses are used for enabling a lens length of about 38mm, which is the shortest in the Q Mount Zoom lens lineup, and providing a compact, lightweight design with a weight of only about 75g.
This lens is an easily portable size and has a focal length equivalent to 17.5mm to 27mm in the 35mm film format (when attached to a PENTAX Q7 mount digital SLR camera) to enable usage in a wide variety of situations, including constricted spaces where it is difficult to obtain separation from the subject, landscapes that emphasize a sense of vastness and perspective, and more.
The lens also features a cam barrel made of a machined aluminum material for a smooth and elegant tactile sensation when operating.
2. High delineation performance
The first lens uses a glass-molded aspherical lens of uneven thickness for dramatically reducing the distortion.
The optical system also uses two ED (extra-low dispersion) glass lenses and one extraordinary low-dispersion glass lens for correcting the chromatic aberration over the entire zoom range and also enabling sharp, crystal-clear images from the center all the way to the edges.
3. Other features
[1] An inner focus system is used for providing a high-speed, quiet auto focus drive
[2] "Quick-Shift Focus System" for enabling manual focus operation after focusing by AF without any switching operation
[3] SP (Super Protect) coating for protecting the lens surface from water and dirt
[4] Built-in lens shutter using a ND filter and multi-level iris diaphragm
Type Super Wide Zoom
Focal length (Equivalent to 35mm format) 3.8-5.9mm(17.5-27.0mm) ※Q7 Length
Maximum aperture F3.7-4
Angle of View 102°-77° ※Q7 Angle
Lens construction 10 elements / 8 groups
No. of diaphragm blades 5
Closest focusing distance 0.25m
Maximum reproduction ratio 0.03x
Filter size 49mm
Diameter x length 54 x 38 mm
Weight 75g

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