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GFX100RF

Fujifilm

GFX100RF

Fixed-lens 102MP medium format rangefinder-style camera with a 35mm f/4 lens and built-in ND filter.

$4,899

Launch price

Released Mar 2025

vs

Panasonic

Lumix ZS99

Pocket travel zoom with 20.3MP 1/2.3-inch sensor, 30x 24–720mm Leica lens, 4K30 video, 5-axis O.I.S., tilting touchscreen, and USB-C — successor to ZS80 without EVF.

$500

Launch price

Released Feb 2025

Released within a month of each other.

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Wins

7categories

GFX100RF

Landscape

Wins

3categories

Lumix ZS99

5 categories tied

Which would you choose?

TL;DR — Key differences

GFX100RF wins 4 categories·Lumix ZS99 wins 1 categories
  • BLumix ZS99 has higher Burst (electronic) (30 fps vs 3 fps)
  • AGFX100RF has higher AF points / zones (425 vs 49)
  • AGFX100RF has higher Max video bit rate (720 Mbps vs 100 Mbps)
  • AGFX100RF has higher Resolution (102 MP vs 20.3 MP)
  • AGFX100RF has higher RAW buffer depth (45 frames vs 10 frames)

Key specs at a glance

GFX100RFLumix ZS99
Resolution102 MP20.3 MP
Sensor43.8 x 32.9 mm6.17 x 4.55 mm
ISO max12,8006,400
Burst6 fps30 fps
4K30 fps30 fps
IBISNoNo
Weight735 g322 g
Battery820 shots380 shots

Size and weight, to scale

GFX100RF front view

GFX100RF

134 × 90 × 77 mm

735 g (1.62 lb / 25.93 oz)

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

for scale

Lumix ZS99

112 × 68 × 43 mm

322 g (0.71 lb / 11.36 oz)

GFX100RF is 22mm wider, 23mm taller, and 33mm thicker than Lumix ZS99.

GFX100RF is 413 g heavier than Lumix ZS99.

Depth (front-to-back): 77mm GFX100RF · 43mm Lumix ZS99

Back view, to scale

Width × Height — same proportions as the front of the body.

GFX100RF back view

GFX100RF

134 × 90 mm

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

Lumix ZS99

112 × 68 mm

Top view, to scale

Width × Depth (front-to-back) — see which body is chunkier on the table.

GFX100RF top view

GFX100RF

134 × 77 mm

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

Lumix ZS99

112 × 43 mm

Sensor size, to scale

GFX100RF

43.8 × 32.9 mm · Medium Format

1441 mm² area

Lumix ZS99

6.17 × 4.55 mm · Compact

28 mm² area

51.5× 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

Use caseGFX100RFLumix ZS99
Portrait
5.0Fair✓ wins
3.0Limited
Sports & Action
4.0Fair
4.5Fair✓ wins
Video & Hybrid
4.0Fair✓ wins
3.0Limited
Landscape
6.0Good✓ wins
0.0Limited
Travel
5.5Fair✓ wins
4.5Fair
Wildlife
5.0Fair✓ wins
4.0Fair
Vlogging
3.0Limited
3.5Limited✓ wins

Why pick one over the other

Reasons to choose

GFX100RF

  • Dimensions (W×H×D mm)

    Adds 133.5, 90.4, 76.5

  • Card types

    Adds SD UHS-II, SDXC V90, SSD via USB

  • AF points / zones

    425 vs 49 — higher is better

  • Max video bit rate

    720 Mbps vs 100 Mbps — higher is better

  • Subject recognition

    Adds Bird, Automobile, Motorcycle/Bike…

  • Resolution

    102 MP vs 20.3 MP — higher is better

  • Codecs

    Adds Apple ProRes 422 HQ, Apple ProRes 422, Apple ProRes 422 LT…

  • RAW buffer depth

    45 frames vs 10 frames — higher is better

Reasons to choose

Lumix ZS99

  • Dimensions (W×H×D mm)

    Adds 112, 67.8, 43.1

  • Card types

    Adds SD UHS-I

  • Burst (electronic)

    30 fps vs 3 fps — higher is better

  • Subject recognition

    Adds Human, Face, Eye

  • Weight

    322 g vs 735 g — lower is better

  • Codecs

    Adds MP4

  • Burst (mechanical)

    10 fps vs 6 fps — higher is better

Both cameras share

  • ISO min (native)Both 80
  • AF frame coverageBoth 100 %
  • Eye AFBoth support eye af
  • Animal / bird AFBoth support animal / bird af
  • 4K max frame rateBoth 30 fps
  • TouchscreenBoth support touchscreen

Pros & cons at a glance

Editorially curated highlights and trade-offs.

GFX100RF

Pros

  • 102MP medium format image quality
  • Compact fixed-lens GFX design
  • Built-in 4-stop ND
  • High-resolution EVF

Cons

  • Fixed 35mm f/4 lens
  • No IBIS
  • Premium niche camera

Lumix ZS99

Pros

  • 30x 24–720mm Leica zoom in pocket body
  • 4K video + 4K Photo at 30fps
  • 5-axis HYBRID O.I.S.+
  • 1.84M-dot tilting touchscreen
  • USB-C charging + Wi-Fi/Bluetooth 5.0

Cons

  • No built-in EVF (vs ZS80)
  • Small 1/2.3-inch sensor
  • Slow variable aperture (f/3.3–6.4)
  • Limited low-light performance

Decided which one is right for you?

Compare live prices for the GFX100RF and Lumix ZS99 at major authorized retailers.

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Full specifications

= category winner

GFX100RF
Lumix ZS99
Resolution
102 MP5× more
20.3 MP
Sensor type
Medium Format GFX 102MP CMOS II
1/2.3-inch BSI MOS
Sensor size
43.8 x 32.9 mm
6.17 x 4.55 mm
AA filter
No
No
GFX100RF
Lumix ZS99
Aperture
f/4.0
f/3.3-6.4
Focal length (35mm equiv.)
28 mm
24-720 mm
GFX100RF
Lumix ZS99
Processor
X-Processor 5
Venus Engine
GFX100RF
Lumix ZS99
ISO min (native)
80
80
ISO max (native)
12,800+1 stop
6,400
ISO max (expanded)
102,400
6,400
GFX100RF
Lumix ZS99
Shutter type
Lens Shutter + Electronic
Focal-plane mechanical + electronic shutter
Max mechanical speed
1/4000 sec
1/2000 sec
Max electronic speed
1/16000 sec
1/16000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for landscape, GFX100RF or Lumix ZS99?

GFX100RF scores 6.0/10 versus 0.0/10 for Lumix ZS99 — 102MP — massive detail for large prints.

What's the resolution difference between the GFX100RF and Lumix ZS99?

GFX100RF is 102 MP and Lumix ZS99 is 20.3 MP, so the GFX100RF captures more detail for cropping and large prints.

How does stabilization compare between the GFX100RF and Lumix ZS99?

GFX100RF does not have IBIS, while Lumix ZS99 does not have IBIS.

Which shoots faster bursts — the GFX100RF or the Lumix ZS99?

GFX100RF reaches 6 fps mechanical. Lumix ZS99 reaches 30 fps electronic.

What's the weight difference between the GFX100RF and Lumix ZS99?

GFX100RF weighs 735 g and Lumix ZS99 weighs 322 g, so the Lumix ZS99 is 413 g lighter.

Do the GFX100RF and Lumix ZS99 record 4K video?

GFX100RF: 4K up to 30p. Lumix ZS99: 4K up to 30p.

Are the GFX100RF and Lumix ZS99 weather sealed?

GFX100RF: Yes. Lumix ZS99: No.

Which has better battery life?

Rated battery life is 820 shots (CIPA) for the GFX100RF and 380 shots for the Lumix ZS99, giving the GFX100RF the edge.

How much does each cost?

GFX100RF launched at $4,899 and Lumix ZS99 at $500. The Lumix ZS99 is $4,399 less.

Can't decide between two? Compare a third camera.

Add any camera to get a three-way GFX100RF vs Lumix ZS99 vs X comparison.

Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.

Product images courtesy of Fujifilm and Panasonic press materials.