Fujinon GF 23mm F4 R LM WR

April 19, 2017 | Zoltan Arva-Toth | Lenses | Comment | |
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Fujifilm today announced that it will release the dust- and weather-resistant Fujinon GF 23mmF4 R LM WR medium-fromat lens in June. With a focal length equivalent to 18mm in 35mm terms, this super wide-angle lens is optimal for shooting landscapes and architecture with the Fuji GFX 50S 43.8×32.9mm format digital camera. The optical formula comprises 15 elements (including two aspherical lenses, one super ED lens, and three ED lenses) and an iris diaphragm with 9 rounded aperture blades. The aperture ring has a C position (command dial mode) to allow the lens aperture value to be changed via the command dial on the camera body. A locking mechanism has been added to the A (Auto) and C positions to prevent unintended movements of the aperture dial. Nano GI coating has been applied to the lens to minimise ghosting and flare.

Fujifilm Press Release

The GFX system expands further with exceptional glass: Fujifilm announce FUJINON GF110mmF2 R LM WR and GF23mmF4 R LM WR

New GF lenses are unveiled for Portraits, Landscape and Architectural Photography, along with new accessories for the ground breaking GFX system

FUJIFILM Corporation (President: Kenji Sukeno) has today announced that it will release the FUJINON GF110mmF2 R LM WR Lens and FUJINON GF23mmF4 R LM WR Lens in June 2017. Both products are professional interchangeable lenses for GFX 50S 43.8×32.9mm format digital camera. Fujifilm has also unveiled new accessories to complement the GFX system.

GF lenses achieve outstanding ultra-high resolution and have been designed to work with higher resolution sensors in the future. Utilizing the vast knowledge cultivated through the development of the XF lenses, GF lenses are Fujifilm's finest class of lenses and were designed by amassing various sophisticated technologies of Fujifilm. They are designed to fully unlock the superb performance potential of the GFX 50S.

The FUJINON GF110mmF2 R LM WR Lens is a medium telephoto lens for portraits. With a focal length equivalent to 87mm in the 35mm format, it achieves a brightness of F2.0 when used wide open to deliver beautiful bokeh. The high resolving power of the area in focus and the rich bokeh unique to medium-format fast-diameter lenses depicts portraits with a realistic three-dimensional feel.

The FUJINON GF23mmF4 R LM WR Lens has a focal length equivalent to 18mm in the 35mm format and is perfectly suited for landscape and architectural applications. Despite the super-wide angle of view, distortion is kept to a minimum, and with the high-resolution performance extending all the way to the edges, the resulting image is outstandingly sharp.

Both lenses feature fast and quiet AF due to a linear motor, are dust and weather resistant, and are capable of operating in environments as cold as -10°C. The lenses combine high performance and reliability as professional work tools for the working photographer.

 

GF23mmF4 R LM WR Lens: Super wide-angle lens

With a focal length equivalent to 18mm in the 35mm format, this super wide-angle lens is optimal for shooting landscapes and architectural photography.

P roduct features

Low distortion with high resolving power

With a 12 groups and 15 elements construction using two aspherical lenses, one super ED lens, and three ED lenses, this lens suppress distortion despite being a super wide-angle lens with a 99.9° angle of view. Thanks to the optimal arrangement of the Super ED lens and three ED lenses, chromatic aberration of magnification is thoroughly suppressed, achieving high resolution performance all the way to the edge.

Nano GI coating

Nano GI coating has been applied to the lens which targets incident light entering the lens from diagonal angles due to the nature of the super wide-angle lens. Despite being a super wide-angle lens, the occurrence of ghosting and flare is effectively suppressed.

Fast and quiet AF

By adopting an inner focusing AF system to lighten the weight of the focus lens, and using a linear motor to drive the lens elements, fast and quiet AF is achieved, allowing for comfortable shooting.

Dust and weather resistant, capable of operating in environments as cold as -10°C

The lens has been sealed in nine areas, allowing the user to shoot with confidence and stability, even in dusty environments or in light rain.

High operability

The aperture ring has a C position (command dial mode) to allow lens aperture value to be changed via the command dial on the camera body. A locking mechanism has been added to the A (Auto) and C positions to prevent unintended movements of the aperture dial.

Accessories

A protective filter PRF-82and front lens cap FLCP-82 will also be released.

 

Main Specification

Type

FUJINON LENS GF23mmF4 R LM WR

Lens construction

15 elements 12 groups

(includes 2 aspherical ,1 Super ED , 3ED elements)

Focal length (35mm format equivalent)

f=23mm (18mm)

Angle of view

99.9°

Max. aperture

F4

Min. aperture

F32

Aperture control

Number of blades

Stop size

9 (rounded diaphragm opening)

1/3EV (19 steps)

Focus range

38cm~∞

Max. magnification

0.09x

External dimensions: Diameter x Length (approx.)

(distance from camera lens mount flange)

Φ89.8mm x 103.0mm

Weight (approx.)

(excluding caps, hoods )

845g

Filter size

Φ82mm

Accessories included

Lens cap FLCP-82

Lens rear cap RLCP-002

Lens hood

Lens pouch



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