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
Ricoh
GR IV
Latest GR with 25.74MP APS-C sensor, 28mm equivalent lens, 5-axis SR, 53GB internal memory, and pocket street-camera handling.
$1,499
Launch priceReleased Jan 2026
Luna Ultra is 5 months newer.
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Wins
Luna Ultra
Wins
GR IV
2 categories tied
Which would you choose?
TL;DR — Key differences
- BGR IV has higher ISO max (native) (204,800 vs 6,400)
- ALuna Ultra has higher 1080p max frame rate (240 fps vs 60 fps)
- ALuna Ultra has higher 4K max frame rate (120 fps vs 60 fps)
- ALuna Ultra has higher Resolution (37 MP vs 25.74 MP)
- ALuna Ultra has lower Weight (233 g vs 262 g)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
Luna Ultra
52 × 170 × 39 mm
233 g (0.51 lb / 8.22 oz)
Credit card
85.6 × 54 mm
for scale
GR IV
109 × 61 × 33 mm
262 g (0.58 lb / 9.24 oz)
Luna Ultra is 57mm narrower than GR IV but it is also 109mm taller and 6mm thicker.
Luna Ultra is 29 g lighter than GR IV.
Depth (front-to-back): 39mm Luna Ultra · 33mm GR IV
Back view, to scale
Width × Height — same proportions as the front of the body.
Luna Ultra
52 × 170 mm
Credit card
85.6 × 54 mm
GR IV
109 × 61 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
Luna Ultra
52 × 39 mm
Credit card
85.6 × 54 mm
GR IV
109 × 33 mm
Sensor size, to scale
Luna Ultra
13.2 × 8.8 mm · 1-inch
116 mm² area
GR IV
23.3 × 15.5 mm · APS-C
361 mm² area
3.1× 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
Luna Ultra
Codecs
Adds H.265
Dimensions (W×H×D mm)
Adds 52.4, 169.9, 38.5
1080p max frame rate
240 fps vs 60 fps — higher is better
4K max frame rate
120 fps vs 60 fps — higher is better
Resolution
37 MP vs 25.74 MP — higher is better
Weight
233 g vs 262 g — lower is better
Reasons to choose
GR IV
Subject recognition
Adds Face, Eye
Codecs
Adds MPEG-4 AVC/H.264, MOV
Dimensions (W×H×D mm)
Adds 109.4, 61.1, 32.7
ISO max (native)
204,800 vs 6,400 — higher is better
Card types
Adds microSDHC, microSDXC UHS-I
Eye AF
Only GR IV supports it
In-body stabilization (IBIS)
Only GR IV supports it
Both cameras share
- ✓ISO min (native) — Both 100
- ✓Card slots — Both 1
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
- ✓Bluetooth — Both support bluetooth
Pros & cons at a glance
Editorially curated highlights and trade-offs.
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
GR IV
Pros
- ✓25.74MP APS-C sensor
- ✓5-axis sensor-shift SR
- ✓53GB internal memory
- ✓Pocketable 28mm GR lens
Cons
- –Fixed lens
- –No built-in EVF
- –Full HD video only
Decided which one is right for you?
Compare live prices for the Luna Ultra and GR IV at major authorized retailers.
Insta360 Luna Ultra
Ricoh GR IV
Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, Luna Ultra or GR IV?
Luna Ultra scores 7.5/10 versus 1.5/10 for GR IV — 3-axis mechanical gimbal — cinema-smooth footage in motion.
What's the resolution difference between the Luna Ultra and GR IV?
Luna Ultra is 37 MP and GR IV is 25.74 MP, so the Luna Ultra captures more detail for cropping and large prints.
Do the Luna Ultra and GR IV have in-body image stabilization?
Luna Ultra uses a 3-axis mechanical gimbal, while GR IV has in-body image stabilization.
What's the weight difference between the Luna Ultra and GR IV?
Luna Ultra weighs 233 g and GR IV weighs 262 g, so the Luna Ultra is 29 g lighter.
Do the Luna Ultra and GR IV record 4K video?
Luna Ultra: 8K (7680×4320) (max), 4K up to 120p. GR IV: 4K up to 60p.
Are the Luna Ultra and GR IV weather sealed?
Luna Ultra: No. GR IV: No.
How much does each cost?
Luna Ultra launched at $770 and GR IV at $1,499. The Luna Ultra is $729 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way Luna Ultra vs GR IV vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of Insta360 and Ricoh press materials.