Fujifilm
GF 100-200mm F5.6 R LM OIS WR
Fujifilm GFX Mount
GF 100-200mm F5.6 R LM OIS WR — 100–200mm f/5.6 for Fujifilm GFX, a popular choice in the fujifilm lineup.
$1,999
Launch priceReleased Feb 2021
Fujifilm
GF 45-100mm F4 R LM OIS WR
Fujifilm GFX Mount
GF 45-100mm F4 R LM OIS WR — 45–100mm f/4 for Fujifilm GFX, a popular choice in the fujifilm lineup.
$2,299
Launch priceReleased Sep 2018
GF 100-200mm F5.6 R LM OIS WR is 2.4 years newer.
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Wins
GF 100-200mm F5.6 R LM OIS WR
Wins
GF 45-100mm F4 R LM OIS WR
1 categories tied
Which would you choose?
TL;DR — Key differences
- AGF 100-200mm F5.6 R LM OIS WR has higher Max magnification (0.2 × vs 0.13 ×)
- BGF 45-100mm F4 R LM OIS WR has lower Max aperture (Wide) (f/4 vs f/5.6)
- BGF 45-100mm F4 R LM OIS WR has lower Max aperture (Tele) (f/4 vs f/5.6)
- BGF 45-100mm F4 R LM OIS WR has lower Length (144.5 mm vs 183 mm)
- BGF 45-100mm F4 R LM OIS WR has lower Min focus distance (65 cm vs 75 cm)
Key specs at a glance
Size and weight, to scale
📸 Snap this lens size diff to shareGF 100-200mm F5.6 R LM OIS WR
⌀89 × 183 mm
1050 g (2.31 lb / 37.04 oz)
Credit card
85.6 × 54 mm
for scale
GF 45-100mm F4 R LM OIS WR
⌀89 × 145 mm
985 g (2.17 lb / 34.74 oz)
GF 100-200mm F5.6 R LM OIS WR is 39mm longer than GF 45-100mm F4 R LM OIS WR.
GF 100-200mm F5.6 R LM OIS WR is 65 g heavier than GF 45-100mm F4 R LM OIS WR.
Diameter (⌀) is the maximum barrel width; length is measured from the mount to the front of the lens.
Use-case scoring
Which one for what?
Algorithmic scores from verified specs · 10 = best in class
Why pick one over the other
Reasons to choose the GF 100-200mm F5.6 R LM OIS WR
- ✓
Special elements
Adds 2 ED
- ✓
Max magnification
0.2 × vs 0.13 × — higher is better
Reasons to choose the GF 45-100mm F4 R LM OIS WR
- ✓
Special elements
Adds 3 ED
- ✓
Max aperture (Wide)
f/4 vs f/5.6 — lower is better
- ✓
Max aperture (Tele)
f/4 vs f/5.6 — lower is better
- ✓
Length
144.5 mm vs 183 mm — lower is better
- ✓
Min focus distance
65 cm vs 75 cm — lower is better
- ✓
Weight
985 g vs 1050 g — lower is better
- ✓
Diameter
88.9 mm vs 89 mm — lower is better
Shared specifications
Internal focus
Both support internal focus
Optical stabilization
Both support optical stabilization
OIS effectiveness
Both 5 stops
Weather sealing
Both support weather sealing
Control ring
Both support control ring
Custom function button
Both support custom function button
Pros & cons at a glance
Editorially curated highlights and trade-offs.
GF 100-200mm F5.6 R LM OIS WR
Pros
- ✓Versatile zoom range covers multiple focal lengths in one lens
- ✓Built-in optical image stabilization
- ✓Weather-sealed construction for outdoor shooting
Cons
- –Relatively heavy for extended handheld use
- –Slower maximum aperture limits low-light performance
GF 45-100mm F4 R LM OIS WR
Pros
- ✓Versatile zoom range covers multiple focal lengths in one lens
- ✓Built-in optical image stabilization
- ✓Weather-sealed construction for outdoor shooting
Cons
- –Premium price point
- –Relatively heavy for extended handheld use
- –Slower maximum aperture limits low-light performance
Decided which one is right for you?
Compare live prices for the GF 100-200mm F5.6 R LM OIS WR and GF 45-100mm F4 R LM OIS WR at major authorized retailers.
Fujifilm GF 100-200mm F5.6 R LM OIS WR
Fujifilm GF 45-100mm F4 R LM OIS WR
Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.
Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.