Leica
Q3
Full-frame fixed 28mm f/1.7 premium compact for documentary and travel.
$5,995
Launch priceReleased May 2023
Panasonic
Lumix FZ300
Weather-resistant bridge camera with constant f/2.8 25-600mm equivalent Leica zoom and 4K video.
$599
Launch priceReleased Jul 2015
Q3 is 7.8 years newer.
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Wins
Q3
Wins
Lumix FZ300
1 categories tied
Which would you choose?
TL;DR — Key differences
- AQ3 has higher ISO max (native) (100,000 vs 6,400)
- AQ3 has higher Resolution (60.3 MP vs 12.1 MP)
- BLumix FZ300 has higher Burst (electronic) (60 fps vs 15 fps)
- AQ3 has higher EVF resolution (5,760,000 vs 1,440,000)
- BLumix FZ300 has higher Burst (mechanical) (12 fps vs 4 fps)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
Q3
130 × 80 × 92 mm
743 g (1.64 lb / 26.21 oz)
Credit card
85.6 × 54 mm
for scale
Lumix FZ300
132 × 92 × 117 mm
691 g (1.52 lb / 24.37 oz)
Q3 is 2mm narrower, 12mm shorter, and 25mm thinner than Lumix FZ300.
Q3 is 52 g heavier than Lumix FZ300.
Depth (front-to-back): 92mm Q3 · 117mm Lumix FZ300
Back view, to scale
Width × Height — same proportions as the front of the body.
Q3
130 × 80 mm
Credit card
85.6 × 54 mm
Lumix FZ300
132 × 92 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
Q3
130 × 92 mm
Credit card
85.6 × 54 mm
Lumix FZ300
132 × 117 mm
Sensor size, to scale
Q3
36 × 24 mm · Full Frame
864 mm² area
Lumix FZ300
6.17 × 4.55 mm · Compact
28 mm² area
30.9× 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
Q3
Dimensions (W×H×D mm)
Adds 130, 80, 92
Card types
Adds SD UHS-II
ISO max (native)
100,000 vs 6,400 — higher is better
Resolution
60.3 MP vs 12.1 MP — higher is better
EVF resolution
5,760,000 vs 1,440,000 — higher is better
Codecs
Adds H.265, ProRes
ISO min (native)
50 vs 100 — lower is better
4K max frame rate
60 fps vs 30 fps — higher is better
Reasons to choose
Lumix FZ300
Dimensions (W×H×D mm)
Adds 131.6, 91.5, 117.1
Card types
Adds SD UHS-I
Burst (electronic)
60 fps vs 15 fps — higher is better
Burst (mechanical)
12 fps vs 4 fps — higher is better
Codecs
Adds MP4, AVCHD
Microphone jack (3.5mm)
Only Lumix FZ300 supports it
Battery life (CIPA)
380 shots vs 350 shots — higher is better
Weight
691 g vs 743 g — lower is better
Both cameras share
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Weather sealing — Both support weather sealing
- ✓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.
Q3
Pros
- ✓60MP full-frame
- ✓Summilux 28mm lens
- ✓Built like a tank
- ✓Unique aesthetic
Cons
- –Fixed lens
- –Very expensive
- –No interchangeable system
Lumix FZ300
Pros
- ✓Constant f/2.8 24x zoom
- ✓Weather resistant
- ✓4K video
- ✓Great reach
Cons
- –Small 1/2.3-inch sensor
- –12MP
- –Bridge-camera bulk
Decided which one is right for you?
Compare live prices for the Q3 and Lumix FZ300 at major authorized retailers.
Panasonic Lumix FZ300
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for landscape, Q3 or Lumix FZ300?
Q3 scores 8.0/10 versus 1.5/10 for Lumix FZ300 — 60.3MP — massive detail for large prints.
What's the resolution difference between the Q3 and Lumix FZ300?
Q3 is 60.3 MP and Lumix FZ300 is 12.1 MP, so the Q3 captures more detail for cropping and large prints.
How does stabilization compare between the Q3 and Lumix FZ300?
Q3 does not have IBIS, while Lumix FZ300 does not have IBIS.
Which shoots faster bursts — the Q3 or the Lumix FZ300?
Q3 reaches 15 fps electronic. Lumix FZ300 reaches 60 fps electronic.
What's the weight difference between the Q3 and Lumix FZ300?
Q3 weighs 743 g and Lumix FZ300 weighs 691 g, so the Lumix FZ300 is 52 g lighter.
Do the Q3 and Lumix FZ300 record 4K video?
Q3: 8K (max), 4K up to 60p. Lumix FZ300: 4K up to 30p.
Are the Q3 and Lumix FZ300 weather sealed?
Q3: Yes. Lumix FZ300: Yes.
Which has better battery life?
Rated battery life is 350 shots (CIPA) for the Q3 and 380 shots for the Lumix FZ300, giving the Lumix FZ300 the edge.
How much does each cost?
Q3 launched at $5,995 and Lumix FZ300 at $599. The Lumix FZ300 is $5,396 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way Q3 vs Lumix FZ300 vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.
Product images courtesy of Leica and Panasonic press materials.