Ricoh
GR III
Street photography icon with 24.24MP APS-C, 28mm equivalent GR lens, 3-axis SR, and snap-focus in a pocket body.
$899
Launch priceReleased Mar 2019
Sigma
fp L
World's smallest full-frame interchangeable camera with 61MP and L-mount.
$2,499
Launch priceReleased Jul 2021
fp L is 2.3 years newer.
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Wins
GR III
Wins
fp L
3 categories tied
Which would you choose?
TL;DR — Key differences
- AGR III has higher ISO max (native) (102,400 vs 25,600)
- Bfp L has higher Resolution (61 MP vs 24.24 MP)
- Bfp L has higher Burst (electronic) (10 fps vs 4 fps)
- AGR III has higher 4K max frame rate (60 fps vs 29.97 fps)
- Bfp L has higher 1080p max frame rate (120 fps vs 60 fps)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to shareGR III
109 × 62 × 33 mm
257 g (0.57 lb / 9.07 oz)
Credit card
85.6 × 54 mm
for scale
fp L
113 × 70 × 45 mm
427 g (0.94 lb / 15.06 oz)
GR III is 3mm narrower, 8mm shorter, and 12mm thinner than fp L.
GR III is 170 g lighter than fp L.
Depth (front-to-back): 33mm GR III · 45mm fp L
Back view, to scale
Width × Height — same proportions as the front of the body.
GR III
109 × 62 mm
Credit card
85.6 × 54 mm
fp L
113 × 70 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
GR III
109 × 33 mm
Credit card
85.6 × 54 mm
fp L
113 × 45 mm
Sensor size, to scale
GR III
23.5 × 15.6 mm · APS-C
367 mm² area
fp L
36 × 24 mm · Full Frame
864 mm² area
2.4× larger sensor area = shallower depth of field and better low-light performance.
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
GR III
Subject recognition
Adds Face, Eye
Dimensions (W×H×D mm)
Adds 109.4, 61.9, 33.2
ISO max (native)
102,400 vs 25,600 — higher is better
4K max frame rate
60 fps vs 29.97 fps — higher is better
Codecs
Adds MPEG-4 AVC/H.264
In-body stabilization (IBIS)
Only GR III supports it
Weight
257 g vs 427 g — lower is better
Card types
Adds SDXC UHS-I
Reasons to choose
fp L
Subject recognition
Adds Human, Animal, Bird…
Dimensions (W×H×D mm)
Adds 112.6, 69.9, 45.3
Codecs
Adds CinemaDNG, H.264
Resolution
61 MP vs 24.24 MP — higher is better
Burst (electronic)
10 fps vs 4 fps — higher is better
AA filter
Only fp L supports it
Animal / bird AF
Only fp L supports it
Pre-Capture / Pre-Release
Only fp L supports it
Both cameras share
- ✓ISO min (native) — Both 100
- ✓AF points / zones — Both 49
- ✓Eye AF — Both support eye af
- ✓Card slots — Both 1
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
Pros & cons at a glance
Editorially curated highlights and trade-offs.
GR III
Pros
- ✓Pocketable APS-C
- ✓28mm equivalent GR lens
- ✓3-axis sensor-shift SR
- ✓Snap focus street shooting
Cons
- –Fixed lens
- –No built-in EVF
- –Full HD video only
fp L
Pros
- ✓Tiny full-frame
- ✓61MP
- ✓L-mount
- ✓Unique industrial design
Cons
- –No IBIS
- –Small battery
- –Minimal ergonomics
Decided which one is right for you?
Compare live prices for the GR III and fp L at major authorized retailers.
Ricoh GR III
Sigma fp L
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for wildlife, GR III or fp L?
fp L scores 8.0/10 versus 2.0/10 for GR III — Bird AF subject recognition.
What's the resolution difference between the GR III and fp L?
GR III is 24.24 MP and fp L is 61 MP, so the fp L captures more detail for cropping and large prints.
Do the GR III and fp L have in-body image stabilization?
GR III has in-body image stabilization, while fp L does not have IBIS.
Which shoots faster bursts — the GR III or the fp L?
GR III reaches 4 fps electronic. fp L reaches 10 fps electronic.
What's the weight difference between the GR III and fp L?
GR III weighs 257 g and fp L weighs 427 g, so the GR III is 170 g lighter.
Do the GR III and fp L record 4K video?
GR III: 4K up to 60p. fp L: 4K up to 29.97p.
Are the GR III and fp L weather sealed?
GR III: No. fp L: Yes.
Which has better battery life?
Rated battery life is 200 shots (CIPA) for the GR III and 240 shots for the fp L, giving the fp L the edge.
How much does each cost?
GR III launched at $899 and fp L at $2,499. The GR III is $1,600 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way GR III vs fp L vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.
Product images courtesy of Ricoh and Sigma press materials.