Fujifilm GF 45-100mm f4 R LM WR -709860

Fujifilm GF 45-100mm f4 R LM WR -709860

Seeing something beautiful is the first step to preserving it. From under the studio lights to being out on the broad expanses of the streets, GF45-100mmF4 R LM OIS WR is a wonderfully versatile portrait lens for image-makers to use in crafting their most beautiful images and preserving their most treasured moments. Powerful Optical Image Stabilization (OIS) keeps hand-held images sharp and crisp, while meticulously designed optics create images with such striking detail and resolution that they are truly beyond comparison.

Versatility at its Best

With a 35mm equivalent focal range of 36mm to 79mm, GF45-100mmF4 R LM OIS WR unlocks a world of broad, creative opportunities for image-makers that want more options when shaping and crafting their images. At a weight of just 1kg (2.2lb) and length of 14.5cm (5.69in), GF45-100mmF4 is as portable as it is versatile, which allows for framing options that can throw backgrounds out of focus to emphasize subjects, or bring attention to entire scenes. No matter the application, GF45-100mmF4 is sure to be a great choice when creative options are needed.

Deliver What Matters

Engineered to near perfection, GF45-100mmF4 R LM OIS WR is comprised of three aspherical elements, one ED element, and one Super ED element, which help to reduce artifacting, field curvature, and chromatic aberration. This creates images with incredible detail, sharpness, and - when made with GFX System Cameras - delivers a final image that is so much More Than Full Frame When the image behind the story matters, there is no better solution.

Ready for the Moment

A perfect portrait can happen in an instant, so having fast, reliable autofocus is important in making sure the opportunity isn't missed. With its powerful, linear motor, GF45-100mmF4 R LM OIS WR deliveres quick, near-silent autofocus to help make image-makers completely ready for when the right moment comes.

Keep it Steady

High-resolution, large format imaging sensors require stability to consistently create sharp, high quality images. With up to 5.0 stops of Optical Image Stabilization (OIS), GF45-100mmF4 R LM OIS WR provides image-makers with the support they need to consistently produce their best images, even when they are handheld. For compatible GFX System cameras with In-Body Image Stabilization (IBIS), up to an additional 0.5 stops of stabilization is also available to help keep things steady.

Never Stop Creating

With 11 weather resistant seals along the lens to protect against moisture, dirt, and dust, GF45-100mmF4 R LM OIS WR lets image-makers freely work in conditions that let them bring the quality of large format imagery to almost any situation, even down to -10°C (14°F).

What our Experts Think  

• The Fujifilm GF 45–100mm f/4 R LM OIS WR (709860) is a professional standard zoom lens for the GFX medium format system, designed to cover the most commonly used focal range for portraits, events, and general-purpose field work.
• It offers a versatile 36–79mm full-frame equivalent range, effectively bridging wide-angle and short telephoto perspectives in a single lens.
• Experts consistently highlight its excellent optical performance, delivering high sharpness across most of the zoom range with very low distortion and strong overall clarity, especially for high-resolution GFX sensors.
• The lens features a constant f/4 aperture, ensuring consistent exposure and predictable depth-of-field control throughout the zoom range—ideal for professional workflows.
• Its built-in optical image stabilization (around 5 stops) significantly improves handheld usability, making it a strong choice for field shooting without a tripod.
• A linear motor autofocus system provides fast, quiet, and accurate focusing performance, supporting both stills and video use in demanding environments.
• Weather-resistant construction ensures reliability in dust, rain, and cold conditions, reinforcing its role as a dependable professional zoom for outdoor use.
• Experts often describe it as one of the most balanced “do-it-all” GF zooms, reducing the need to switch between multiple primes while maintaining near-prime image quality.
• Overall, it is regarded as a core workhorse lens for GFX users, ideal for photographers who want a single, highly capable zoom that delivers consistent professional results across portraits, events, and travel photography.

                 
Q&A

Q: What is the Fujifilm GF 45–100mm f/4 lens?
A: It is a professional standard zoom lens for Fujifilm GFX medium format cameras, designed for versatile everyday shooting across landscapes, portraits, events, and travel with high image quality and stabilization.

Q: What focal length does it cover?
A: It covers 45–100mm on GFX, equivalent to about 36–79mm full-frame, making it a flexible wide-to-short-telephoto zoom range.

Q: What is the maximum aperture?
A: It has a constant f/4 aperture, so exposure remains consistent throughout the zoom range.

Q: Does it have image stabilization?
A: Yes. It includes optical image stabilization (OIS) rated up to ~5 stops, helping reduce camera shake for handheld shooting.

Q: What type of photography is it best for?
A: It is ideal for all-purpose professional work, including portraits, events, travel, and environmental photography where you need one lens to cover multiple focal lengths.

Q: How is image quality?
A: It delivers high sharpness, strong contrast, and good correction of chromatic aberrations, thanks to a mix of ED, Super ED, and aspherical elements.

Q: Does it have autofocus?
A: Yes. It uses a linear motor autofocus system, providing fast, quiet, and accurate focusing suitable for both photo and video.

Q: Is it weather-sealed?
A: Yes. It is built with a dust-, freeze-, and weather-resistant construction, making it suitable for outdoor professional use.

                   
Maintenance Tips  

• Keep the Fujifilm GF 45-100mm f4 R LM WR - 709860 clean using a blower and microfiber cloth, especially on both front and rear elements.
• Always use front and rear caps when not in use to prevent dust, scratches, and moisture ingress.
• Store in a dry, padded lens case with silica gel to maintain humidity control and protect internal optics.
• Avoid touching glass surfaces directly to preserve optical coatings and image sharpness.
• Handle zoom and focus rings gently and avoid forcing movement to protect internal mechanisms.
• Support the lens properly when mounting/dismounting due to its size and weight to avoid mount stress.
• Protect from sand, dust, salt spray, and moisture, especially during outdoor shoots or travel photography.