Fujifilm
X100S
Second-generation X100 with 16MP X-Trans sensor and fixed 35mm-equivalent lens.
$1,299
Launch priceReleased Jan 2013
Insta360
Luna Ultra
Flagship dual-lens 3-axis gimbal camera with Leica Summicron 1-inch 8K main lens, 1/1.3-inch telephoto, detachable 2-inch OLED screen, 8K30 / 4K120 video, and 37MP UltraPhoto.
$770
Launch priceReleased Jun 2026
Luna Ultra is 13.4 years newer.
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Wins
X100S
Wins
Luna Ultra
2 categories tied
Which would you choose?
TL;DR — Key differences
- BLuna Ultra has higher IBIS effectiveness (8 stops vs 0 stops)
- BLuna Ultra has higher 1080p max frame rate (240 fps vs 60 fps)
- BLuna Ultra has higher Max video bit rate (120 Mbps vs 36 Mbps)
- BLuna Ultra has higher Resolution (37 MP vs 16.3 MP)
- BLuna Ultra has lower ISO min (native) (100 vs 200)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to shareX100S
127 × 74 × 54 mm
445 g (0.98 lb / 15.70 oz)
Credit card
85.6 × 54 mm
for scale
Luna Ultra
52 × 170 × 39 mm
233 g (0.51 lb / 8.22 oz)
X100S is 96mm shorter than Luna Ultra but it is also 74mm wider and 15mm thicker.
X100S is 212 g heavier than Luna Ultra.
Depth (front-to-back): 54mm X100S · 39mm Luna Ultra
Back view, to scale
Width × Height — same proportions as the front of the body.
X100S
127 × 74 mm
Credit card
85.6 × 54 mm
Luna Ultra
52 × 170 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
X100S
127 × 54 mm
Credit card
85.6 × 54 mm
Luna Ultra
52 × 39 mm
Sensor size, to scale
X100S
23.6 × 15.6 mm · APS-C
368 mm² area
Luna Ultra
13.2 × 8.8 mm · 1-inch
116 mm² area
3.2× 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
X100S
Subject recognition
Adds Human
Codecs
Adds H.264
Dimensions (W×H×D mm)
Adds 126.5, 74.4, 53.9
Card types
Adds SD UHS-I
Eye AF
Only X100S supports it
Reasons to choose
Luna Ultra
Codecs
Adds H.265
IBIS effectiveness
8 stops vs 0 stops — higher is better
Dimensions (W×H×D mm)
Adds 52.4, 169.9, 38.5
Card types
Adds microSD
1080p max frame rate
240 fps vs 60 fps — higher is better
Max video bit rate
120 Mbps vs 36 Mbps — higher is better
Resolution
37 MP vs 16.3 MP — higher is better
ISO min (native)
100 vs 200 — lower is better
Both cameras share
- ✓ISO max (native) — Both 6,400
- ✓Card slots — Both 1
- ✓Touchscreen — Both support touchscreen
Pros & cons at a glance
Editorially curated highlights and trade-offs.
X100S
Pros
- ✓Classic fixed-lens design
- ✓X-Trans sensor
- ✓Hybrid viewfinder
Cons
- –Very old AF
- –No 4K
- –Fixed screen
Luna Ultra
Pros
- ✓Dual Leica lenses (1" + tele)
- ✓8K30 with 4K120 & 1080p240
- ✓Detachable 2" OLED screen
- ✓3-axis gimbal + Deep Track 5.0
Cons
- –Premium vs Pocket 3
- –No waterproofing
- –Tele reach capped at 240mm equiv
Decided which one is right for you?
Compare live prices for the X100S and Luna Ultra at major authorized retailers.
Fujifilm X100S
Insta360 Luna Ultra
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, X100S or Luna Ultra?
Luna Ultra scores 7.5/10 versus 2.5/10 for X100S — 3-axis mechanical gimbal — cinema-smooth footage in motion.
What's the resolution difference between the X100S and Luna Ultra?
X100S is 16.3 MP and Luna Ultra is 37 MP, so the Luna Ultra captures more detail for cropping and large prints.
How does stabilization compare between the X100S and Luna Ultra?
X100S does not have IBIS, while Luna Ultra uses a 3-axis mechanical gimbal.
What's the weight difference between the X100S and Luna Ultra?
X100S weighs 445 g and Luna Ultra weighs 233 g, so the Luna Ultra is 212 g lighter.
Do the X100S and Luna Ultra record 4K video?
X100S: Full HD. Luna Ultra: 8K (7680×4320) (max), 4K up to 120p.
Are the X100S and Luna Ultra weather sealed?
X100S: No. Luna Ultra: No.
How much does each cost?
X100S launched at $1,299 and Luna Ultra at $770. The Luna Ultra is $529 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way X100S vs Luna Ultra vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of Fujifilm and Insta360 press materials.