Is the spring grip very strong? & w/ rectangular swiss not square?

The spring is sturdy, but you can actually lock the mechanism in place using the red knob. In the photos, it seems to show using the red knob to rotate the grip. While you can do that (once the grip is locked) it will only rotate in one direction. I find it easier to just rotate the grip directly.

iPhone 13 pro compatible?

Yes, it is compatible with iPhone 13 pro.

Will it sit well into an Arca type tripod receiver?

It should mount on any tripod with a quarter inch mounting screw.

Is there a way to tilt it to the sky for astro phtography ?

This mount by itself does not tilt. To angle the phone so the camera is pointing up to the sky, put the mount on a good ball head that is on top of a good tripod. Any good ball head should allow a full tilt.

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MOP$451

Duties & taxes included

In stock

Sold byAmazon MacauDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎥 Elevate your smartphone filming game—because your content deserves the Iron Man treatment!

SEAMLESS 360 ROTATION - Effortlessly switch between portrait and landscape shots with smooth, lockable rotation.
TRIPLE COLD SHOE EXPANSION - Mount your microphone, LED light, and other accessories simultaneously for pro-level vlogging.
UNIVERSAL ARCA 1 4 PORTS - Compatible with all professional tripods and quick-release systems for ultimate stability.
AIRCRAFT GRADE ALUMINUM BUILD - Durable, lightweight metal construction ensures a premium feel and long-lasting performance.
BROAD SMARTPHONE COMPATIBILITY - Fits iPhone 15/16/17 series and most smartphones from 2.36" to 3.5" wide—future-proof your rig.

The ULANZI ST-27 Iron Man IV is a premium metal smartphone tripod mount crafted from aircraft-grade aluminum. Featuring 360° rotation, triple cold shoe mounts, and both Arca and 1/4" tripod ports, it supports professional-grade vlogging and live streaming setups. Compatible with the latest iPhone models and most smartphones, it offers unmatched versatility and stability for creators aiming to produce steady, high-quality video content.

Specifications

ASIN	B096KMZVJ2
Audio Recording	No
Best Sellers Rank	#16,596 in Mobile Phones & Communication Products ( See Top 100 in Mobile Phones & Communication Products ) #232 in Mobile Phone Tripods
Brand	PICTRON
Built-In Media	Phone Tripod Mount
Color	black
Compatible Devices	iPhone 17 16 15 14 13 , iPhone 13 Pro, iPhone 13 Pro Max, iPhone 12 , iPhone 12 Pro, iPhone 12 Pro Max, iPhone 11 , iPhone 11 Pro, iPhone 11, Pro Max etc. All iPhone Smartphones; Galaxy Phones and most other phones in the market.
Country of Origin	China
Customer Reviews	4.8 4.8 out of 5 stars (3,220)
Exposure Control Type	Manual (M)
File Format	MP4
Folded Size	kompakt und portabel
Item Weight	123 Grams
Manufacturer	PICTRON
Manufacturer Part Number	2476-AE
Maximum Weight Recommendation	500 Grams
Media Type	EnhancedContent
Model Name	ST-27
Model Number	2476-AE
Model Series	Iron Man IV
Number of Items	1
Number of Packs	1
Shooting Modes	Panorama
UPC	617308607642
Video Capture Format	MP4
Video Capture Resolution	1080p
Viewfinder Type	LCD Display
Water Resistance Level	Not Water Resistant

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MOP$451

Duties & taxes included

In stock

Sold byAmazon MacauDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Macau.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.