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Fujifilm GF 45-100mm f/4 R LM OIS WR Lens

Fujifilm GF 45-100mm f/4 R LM OIS WR Lens

Product Code: 2245845D


The Fujifilm GF 45-100mm f/4 R Lens provides a versatile equivalent 36-79mm focal range and boasts high performance Fujinon optics optimised for the extremely high resolution GFX medium format system.

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We Love

  • Extremely high resolution optics with refined characteristics
  • Compact and lightweight design
  • Versatile focal range for many genres of photography
  • Robust weather sealed casing for outdoor work
  • Optical stabilisation for more keepers whilst hand-holding
Reasons to buy from Park Cameras

Fujifilm GF 45-100mm f/4 R LM OIS WR Lens Summary

The Fujifilm GF 45-100mm f/4 R LM OIS WR zoom lens is the latest to join the family of interchangeable lenses designed for Fujifilm's medium format GFX system. With an equivalent focal range of 36mm-79mm (35mm format) the newest offering provides a versatile standard to telephoto range ideal for any number of subjects. These might include landscape, portrait, documentary and street photography to name a few. The constant f/4 aperture affords the photographer an opportunity to isolate their subject as well as shooting with relatively high shutter speeds even in difficult lighting situations.

Fujinon are renowned for delivering some of the sharpest, most refined and high quality G-mount lenses for their demanding medium format GFX system. The GF 45-100mm f/4 is more than capable of resolving the astounding 100MP that the flagship GFX 100 is capable of, as well as of course the 50MP bodies in the family including the rangefinder style GFX 50R. Despite the complex optical design which includes 16 elements in 12 groups, the weight is kept down to a hair over 1kg. and the size remains compact at just 144mm long.

Autofocus is handled internally by the virtually silent linear motor whilst offering quick subject acquisition and the design is weather sealed for outdoor photography, with robust 11 point sealing for excellent moisture and dust control. The inclusion of 5-axis image stabilisation provides 5 stops of advantage, which is particularly beneficial when hand-holding such high resolution cameras.

Fujifilm GF 45-100mm f/4 Lens Features in Detail

Fujinon's optical formula includes three aspherical elements, one super ED element and one ED element specifically for controlling spherical aberrations. Combined these allow the lens to capture unparalleled detail, to control aberration and field curvature whilst delivering exceptional detail with Fujifilm's popular neutral colour science. The 9 rounded diaphragm opening delivers pleasing round bokeh for portraits and close-up work with a 65cm close focal distance.

Optical stabilisation: powerful 5-axis image stabilisation, with 5 stops (CIPA guidelines)

Robust design: 11 seals for dust and weather resistance, allowing for freeze proof operation at temperatures down to -10 degrees Celsius / 14 degrees Fahrenheit.

Standard zoom: 2.2x zoom with 36-79mm equivalent for a medium format camera system.

What else is included in the box?

  • Lens Cap FLCP-82
  • Lens rear cap RLCP-002
  • Lens hood
  • Lens pouch

Fujifilm GF 45-100mm f/4 R LM OIS WR Lens Specifications


FUJINON GF 45-100mm f/4 R LM OIS WR Standard to Short Telephoto Zoom Lens

Lens configuration

16 elements in 12 groups (includes 3 aspherical, 1 ED and 1 superED elements)

Focal length

45-100mm (36-79mm in 35mm format equivalent)

Angle of view


Max. aperture


Min. aperture


Aperture control

Number of blades: 9 (rounded diaphragm opening)


Step size: 1/3EV (19steps)

Minimum Object Distance

0.65m (Wide), 0.82m (Telephoto)

Max. magnification

0.13x (Telephoto)

External dimensions : Diameter x Length*1 (approx.)

Φ93mm x 144.5mm (Wide) / Φ93mm x 174.5mm (Telephoto)

Weight*2 (approx.)


Filter size


Offers: Free Gift
Offer Category: Camera Lenses
Offer Product Type: Fujifilm Medium Format Lenses G mount
Autofocus: N/A
Aperture ring: N/A
Constant Aperture: N/A
Lens CIPA Image stabilization rating: N/A
Colour: N/A
Diameter (mm): N/A
Length (mm): N/A
Weight (g): 19595
Distance scale: N/A
DoF scale: N/A
Elements: N/A
Environmental Sealing: N/A
Focus distance limiter: N/A
Focal length: N/A
Focus method: N/A
Filter Thread: N/A
Full time manual: N/A
Groups: N/A
Hood supplied: N/A
Lens Image stabilization: N/A
Lens mount: Fujifilm G
Lens Materials: N/A
Maximum focal length: N/A
Maximum magnification: N/A
Maximum aperture (number): N/A
Maximum aperture (text): N/A
Max Format size: N/A
Minimum focal length: N/A
Lens Minimum focus distance (m): N/A
Minimum aperture (number): N/A
Minimum aperture (text): N/A
Motor type: N/A
Number of diaphragm blades: N/A
Power zoom: N/A
Special elements / coatings: N/A
Tripod collar: N/A
Lens type: N/A
Zoom lock: N/A
Zoom method: N/A
Notes: N/A

Our Verdict

The focal range of the GF 45-100mm f/4 compliments Fujifilm's two other zoom lenses available for GFX cameras; the GF 32-64mm f/4 and the longer 100-200mm f/5.6. These mark the completion of Fuji's own trinity of zoom lenses, covering ranges from 25mm to 158mm (35mm equivalent). With a compact size and very acceptable weight by medium format standards, this latest zoom provides a truly versatile range for a great number of creative possibilities. A close focal distance, 9 blade rounded aperture and the highest quality optics from Fujinon deliver extremely high resolution, well adjusted contrast and refined images as we have come to expect from this world class manufacturer.

The inclusion of 5-axis image stabilisation, advanced weather sealing and fast near silent internal autofocus system ensure the 45-100mm will find it's way into the bags of many Fuji GFX users.

Writing your review

Added to basket

  • Like New – The equipment is in a condition as if you have just bought it from the manufacturer. The item is still considered to be ‘Like New’ even without the original packaging. The product has been fully tested and is in perfect working order.
  • Excellent – The equipment should be close to being ‘Like New’ but there may be some small cosmetic blemishes that lower its grade. The product has been fully tested and is in perfect excellent order.
    • Cameras – Should have no marks on the LCD screen
    • Lenses – Should have no marks on the elements or dust within the lens
  • Very Good – The equipment may have some slight cosmetic wear to the paintwork and cosmetic blemishes  with only light signs of use and the product has been fully tested and is in great working order.
    • Cameras – The LCD screen may have small signs of wear that does not affect its display
    • Lenses – The mount of the lens will start to show signs of wear
  • Good – The equipment is showing more obvious signs of cosmetic wear and blemishes, but the product has been fully tested and is in great working order.
    • Cameras – LCD screen may have scratches or wear that is starting to affect the display.
    • Lenses – May have slight dust inside that does not affect images. The mount shows signs of use.
  • Well Used – The equipment will show significant signs of wear. The paintwork will be coming away in large areas exposing the metal work, but the product has been fully tested and is in great working order.
    • Cameras – LCD screen is heavily worn either by de-lamination or has scratches to it. Rubber grips are starting to come away from the body.
    • Lenses – The lens has dust inside that may affect images. The rubber zoom/focus ring is coming away from the barrel of the lens.

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