Will this work on the om-d mk iv?

I don't know. Contact the seller or manufacturer. If you buy it from Amazon their policy is that you can return it if it does not work, for a refund. Mine is for a Nikon D750 and works perfectly. VERY good quality! I was impressed and I'm an old Pro!

are these compatible with the new fuji lens 70-300 mm (it has a slightly different attack, and my other set of ext. tubes are not working with it!)

Ive had issues with these tubes and my 23mm 1.4 . One of the tubes it refuses to work with and just starts that weird flicker. Also be aware the tolerances on these can be a bit tight, i actually ended up with shavings that luckily didn't damage my sensor but easily could have.

Can its autofocus be used for reversed lens for Nikon z50?? Is there a way to have autofocus for reversed lens macro photography???

If you use a simple reverse adapter with the JJC auto focus macro extension tubes the lens will lose all electronic connection to the camera (such as your Nikon Z50), so no auto focus, etc. However there is a $596 accessory that should retain all the electronic features of modern auto focus lenses, it's called the Novoflex Automatic Reverse Adapter for Nikon Z-Mount (available in other popular camera mounts as well).

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JJC E Mount Auto Focus Macro Extension Tube Set for Sony E/FE Camera & Lens

JJC E Mount Auto Focus Macro Extension Tube Set for Sony E/FE Camera & Lens

Product ID: 112481038

Details

Brand
JJC
Camera Lens Description
10
Compatible Mountings
Sony E
Focal Length Description
10-16
Lens Type
Macro

€ 75.13

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Sold byAmazon ItalyDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

The part of camera mount is made of Aluminum, the part of lens mount is made of high quality brass, while the tube is made of high quality ABS plastic
Shortens minimum focusing distance of lens for macro photography, convert almost any lens into a macro lens, save your cost of buying an expensive macro lens
Full Autofocus and auto exposure Compatibility
Extension tubes of 10mm and 16mm lengths can be used individually or in combination for greater magnification
Fits Sony E mount mirrorless camera and E mount mirrorless lens
Note: we recommend using the manual focus or set the camera on a tripod with a focusing rail instead of using auto focus after mount the extension tubes

desertcart.com : JJC E Mount Auto Focus Macro Extension Tube Set for Sony E/FE Camera & Lens | for Sony ZV-E10 II A6000 A6100 A6300 A6400 A6600 A6700 ZV-E1 A1 A7CR A7C II A7IV A7III A7II A7RV IV A7R III II A7S III & More : Electronics

Specifications

ASIN	B07NB3H3JD
Best Sellers Rank	#1 in Lens Extension Tubes
Brand	JJC
Camera Lens	10
Camera Lens Description	10
Compatible Camera Models	Sony cameras using the Sony E mount system
Compatible Camera Mount	Sony E
Compatible Mountings	Sony E
Customer Reviews	4.3 out of 5 stars 126 Reviews
Exposure Control Type	Automatic
Focal Length Description	10-16 millimeters
Focus Type	Auto Focus, Manual Focus
Image stabilization	Optical
Lens	Macro
Lens Design	Prime
Lens Fixed Focal Length	16 Millimeters
Lens Mount	Sony E
Lens Type	Macro
Manufacturer	JJC
Manufacturer Part Number	Topfoto AETSESII
Maximum Focal Length	16 Millimeters
Minimum Focal Length	10 Millimeters
Model Name	JJC E Mount Auto Focus Macro Extension Tube Set
Model Number	Topfoto AETSESII
Unit Count	2.0 Count
Viewfinder Type	Electronic viewfinder or LCD screen
Water Resistance Level	Not Water Resistant

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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Great price for an authentic product. Fast international shipping too!

3 weeks ago

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€ 75.13

Duties & taxes included

In stock

Sold byAmazon ItalyDelivered 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 Italy.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Zainab N.

Fantastic and great service. Shipping was faster than expected.

1 week ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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