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This connector is specifically designed for the BALPRO PRO25 and PRO50 extension tubes and might not provide optimal performance with other models.
Yes, the connector can be used independently. However, for precise focus control, it is recommended to pair it with the CASTEL-MINI-II or CASTEL-Q.
The connector is made of high-quality, durable materials designed to withstand the demands of professional photography.
Yes, the connector is designed to join two BALPRO extension tubes together, which increases the magnification potential for your macro photography.
Mounting to a QR plate refers to attaching the connector to a quick-release plate, which is a device that holds your camera or lens in place on a tripod or other support system.
Review Summary
Accidents happen where life happens. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failure, and more.
If we can’t fix it, we’ll replace it at no additional cost.
Protect your product from drops, spills, and more.
Enjoy your gear without fear. We have you covered!
When regular use of your product over time results in mechanical or electrical failure.
We will never charge you a deductible after the purchase of a plan.
Our claims process is simple & easy and our customer service team is happy to help.
Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for purchase Internationally or in U.S. Territories.
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Female to female
PRO25 and PRO50 extension tubes
1/4 -20
4030432541075
| Models | SKU: NVPRORING MFR: PRORING $133.00 $173.00 Save:$40.00 (23%) Special Order Generally ships in 7-14 days, subject to availability | SKU: NVAFLEX MFR: AFLEX $115.00 $150.00 Save:$35.00 (23%) Special Order Generally ships in 7-14 days, subject to availability | SKU: NVFLEXCOPAL0 MFR: FLEXCOPAL-0 $99.00 $129.00 Save:$30.00 (23%) Special Order Generally ships in 7-14 days, subject to availability |
|---|---|---|---|
| Equipment Type | Accessories | Accessories | Accessories |
| Brand Compatibility | Balpro | Nikon, Sony Alpha / Minolta Maxxum | - |
Where precision and durability meet, you'll find the Pro Ring 1/4-20 Female Connector, a vital accessory for your BALPRO PRO25 and PRO50 extension tubes. This sturdy connector, crafted by the renowned brand Novoflex, is designed to seamlessly join two extension tubes together, unlocking greater magnification potential for your macro photography.
Constructed with high-quality materials, this connector ensures years of reliable use, standing up to the demands of professional photography. It's designed to mount effortlessly to a QR plate, and when paired with the CASTEL-MINI-II or CASTEL-Q, it provides precise focus control, enhancing your ability to capture stunning, detailed images.
Beyond its primary function, this versatile connector also offers additional flexibility when used with other photography equipment, such as cameras and lenses. With the Pro Ring 1/4-20 Female Connector, you can elevate your photography experience, making it an indispensable tool in your photography kit.