Does this adapter work with any of the fuji gfx medium format cameras?

No, it is not fit for fuji gfx medium format cameras

What is the difference between ef-fx pro i vs ef-fx pro ii?

ef-fx pro ii was upgrade CPS, The aperture ring moves forward and increases for more convenient operation. It is very popular.

Compatibility question: canon 100/2.8l is listed. does this include full is compatibility for canon ef 100mm f/2.8l is usm macro?

Yes, The description is relatively simple. it is also fit for canon 100/2.8L macro IS and canon 100/2.8 macro USM.

Will this work with tamron af aspherical xr 28 - 200mm?

I think you must get a brand specific adapter. Mine works with Canon lenses and with other (eg Tamron) lenses with a Canon mount

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Fringer EF-FX PRO II Auto Focus Mount Adapter Canon EF to Fuji X-Mount | Built-in Electronic Automatic Aperture, Compatible with Fujifilm X-T3 X-T4 X-Pro3 X-T30II X-S10 XH2S XT30 X-T50 XE4 X-T5

Fringer EF-FX PRO II Auto Focus Mount Adapter Canon EF to Fuji X-Mount | Built-in Electronic Automatic Aperture, Compatible with Fujifilm X-T3 X-T4 X-Pro3 X-T30II X-S10 XH2S XT30 X-T50 XE4 X-T5

Product ID: 148970248

Details

Brand
Fringer
Camera Lens Description
55 month
Compatible Mountings
Fujifilm X
Focal Length Description
12-800
Lens Type
Canon EOS EF

🎯Fast PDAF autofocus on X-Trans II+ sensors

🔄Electronic aperture ring with 1/3 stop steps

⚙️2nd Gen MCU for firmware updates

AR$1130263

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Sold byAmazon ArgentinaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

📸 Unlock Canon glass power on Fuji bodies — adapt like a pro, shoot like a visionary!

COMPREHENSIVE EXIF DATA SUPPORT - Automatically record lens model, focal length, and aperture settings for flawless metadata integration and streamlined workflow.
PRO LEVEL AUTOFOCUS SPEED ACCURACY - Experience blazing-fast phase detection autofocus optimized for X-Trans II, III, IV & V sensors—never miss the perfect shot.
INTUITIVE ELECTRONIC APERTURE CONTROL - Adjust aperture in smooth 1/3 stop increments with a redesigned ring mimicking native XF lenses, including an 'Auto' setting for ultimate flexibility.
SEAMLESS CANON EF TO FUJI X INTEGRATION - Effortlessly mount your Canon EF lenses on Fujifilm X-mount bodies with precision engineering and brass bayonets for durability.
BROAD LENS COMPATIBILITY FIRMWARE UPGRADES - Supports a wide range of Canon EF, EF-S, Sigma, and Tamron lenses with ongoing firmware updates ensuring future-proof performance.

The Fringer EF-FX PRO II is a premium electronic mount adapter that enables Canon EF lenses to perform seamlessly on Fujifilm X-mount mirrorless cameras. Featuring a powerful 2nd generation MCU for firmware updates, an electronic aperture ring with precise 1/3 stop control, and fast PDAF autofocus optimized for X-Trans II and newer sensors, it delivers professional-grade compatibility and performance. Built with durable brass bayonets and supporting extensive lens metadata recording, this adapter is the ultimate tool for photographers seeking to expand their creative arsenal without compromise.

Specifications

ASIN	B07T63YD6W
Best Sellers Rank	#1,257 in Camera Lens Adapters & Converters
Brand	Fringer
Camera Lens	55 month
Color	black
Compatible Camera Mount	Fujifilm X
Compatible Devices	Fujifilm X-Mount X-T3 X-T4 X-Pro3 X-T200 X-A7 X-T100 XT30 XH2 XE XT X-Pro2
Customer Reviews	4.5 4.5 out of 5 stars (69)
Exposure Control Type	Automatic
Focal Length Description	12-800 millimeters
Focus Type	Auto Focus
Image stabilization	Optical
Lens	Canon EOS EF, Sigma, Tamron
Lens Design	Prime
Lens Fixed Focal Length	28 millimeters
Lens Mount	Fujifilm X
Manufacturer	Fringer
Manufacturer Part Number	EW-EF-FX pro II
Maximum Aperture	2.8 f_stop
Maximum Focal Length	800
Maximum Shutter Speed	1/4000 seconds
Media Type	ProductImage, EnhancedContent
Minimum Aperture	40 f_stop
Minimum Focal Length	12
Model Name	EF-FX PRO II
Model Number	EF-FX PRO II
Model Series	PRO II
Number of Items	1
Real Angle Of View	75.4 degrees
UPC	734678041378
Water Resistance Level	Not Water Resistant
Zoom Ratio	66.67:1

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