Fujifilm
GF 23mm F4 R LM WR
Fujifilm GFX Mount
GF 23mm F4 R LM WR — 23mm f/4 for Fujifilm GFX, a popular choice in the fujifilm lineup.
$849
Launch priceReleased Jan 2017
Fujifilm
GF 45mm F2.8 R WR
Fujifilm GFX Mount
GF 45mm F2.8 R WR — 45mm f/2.8 for Fujifilm GFX, a popular choice in the fujifilm lineup.
$1,699
Launch priceReleased Jan 2017
Released within a month of each other.
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Wins
GF 23mm F4 R LM WR
Wins
GF 45mm F2.8 R WR
1 categories tied
Which would you choose?
TL;DR — Key differences
- AGF 23mm F4 R LM WR has lower Length (103 mm vs 179 mm)
- BGF 45mm F2.8 R WR has lower Max aperture (Wide) (f/2.8 vs f/4)
- BGF 45mm F2.8 R WR has lower Max aperture (Tele) (f/2.8 vs f/4)
- BGF 45mm F2.8 R WR has lower Min focus distance (30 cm vs 38 cm)
- BGF 45mm F2.8 R WR has higher Max magnification (0.15 × vs 0.13 ×)
Key specs at a glance
Size and weight, to scale
📸 Snap this lens size diff to shareGF 23mm F4 R LM WR
⌀89 × 103 mm
845 g (1.86 lb / 29.81 oz)
Credit card
85.6 × 54 mm
for scale
GF 45mm F2.8 R WR
⌀81 × 179 mm
920 g (2.03 lb / 32.45 oz)
GF 23mm F4 R LM WR is 76mm shorter and 8mm wider than GF 45mm F2.8 R WR.
GF 23mm F4 R LM WR is 75 g lighter than GF 45mm F2.8 R 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 23mm F4 R LM WR
- ✓
Special elements
Adds 2 Aspherical, 2 ED, 1 Super ED
- ✓
Length
103 mm vs 179 mm — lower is better
- ✓
Weight
845 g vs 920 g — lower is better
Reasons to choose the GF 45mm F2.8 R WR
- ✓
Special elements
Adds Aspherical
- ✓
Control ring
Only GF 45mm F2.8 R WR supports it
- ✓
Custom function button
Only GF 45mm F2.8 R WR supports it
- ✓
Max aperture (Wide)
f/2.8 vs f/4 — lower is better
- ✓
Max aperture (Tele)
f/2.8 vs f/4 — lower is better
- ✓
Min focus distance
30 cm vs 38 cm — lower is better
- ✓
Diameter
81 mm vs 89 mm — lower is better
- ✓
Max magnification
0.15 × vs 0.13 × — higher is better
Shared specifications
Internal focus
Both support internal focus
Weather sealing
Both support weather sealing
Pros & cons at a glance
Editorially curated highlights and trade-offs.
GF 23mm F4 R LM WR
Pros
- ✓Prime design typically delivers strong sharpness and lighter weight
- ✓Weather-sealed construction for outdoor shooting
- ✓Native Fujifilm GFX mount compatibility
Cons
- –Slower maximum aperture limits low-light performance
- –Third-party or older alternatives may offer better value
GF 45mm F2.8 R WR
Pros
- ✓Prime design typically delivers strong sharpness and lighter weight
- ✓Weather-sealed construction for outdoor shooting
- ✓Native Fujifilm GFX mount compatibility
Cons
- –Relatively heavy for extended handheld use
- –Third-party or older alternatives may offer better value
Decided which one is right for you?
Compare live prices for the GF 23mm F4 R LM WR and GF 45mm F2.8 R WR at major authorized retailers.
Fujifilm GF 23mm F4 R LM WR
Fujifilm GF 45mm F2.8 R WR
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.