BORG 4551 M42EXTENSION Barrel MBK
BORG 4551 M42EXTENSION Barrel MBK | Adds extension to an M42 setup
For bringing a lens closer to small subjects, an extension barrel can make close-up framing possible without adding another lens. The BORG 4551 M42EXTENSION Barrel MBK is an M42 extension barrel for photographers building a setup around this type of connection. Add extension between the lens and camera to shift where the lens can focus; that can help fill the frame with details such as a flower, a small object or a textured surface. It’s an accessory for a particular kind of lens arrangement, rather than a lens with its own focal length or aperture. That makes it most relevant to photographers who already work with M42 equipment and want to explore closer focusing. The product name identifies it as an extension barrel, but doesn’t specify a particular lens or camera pairing, so it’s best approached as a component for an existing M42 setup rather than a universal adapter.
Specialist Note
The barrel-shaped form is the point here: it adds space in the lens setup, shifting the focus range toward closer subjects. I’d consider it for photographing fine surface detail or filling more of the frame with a small flower, using an M42 lens and adding the barrel between lens and camera. The M42 designation makes the intended connection clear, while “4551” identifies this BORG part when you’re matching it to the rest of your setup. It’s a focused accessory, not a lens in its own right, so its usefulness depends on having compatible M42 equipment to pair with it. For close-up experiments, that simple role is exactly what makes it worth considering.
Technical Specifications
- Brand: BORG
- Product number: 4551
- Product type: M42 extension barrel
- Product designation: MBK
BORG 4551 M42EXTENSION Barrel MBK is backordered and will ship as soon as it is back in stock.
Delivery and Shipping
Delivery and Shipping
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Warranty & Returns
Warranty & Returns
Warranty & Returns Info
At Hard to Find Camera Store, we offer a 2-year warranty on all new products and a 6-month warranty on used equipment. If you're not fully satisfied with your purchase, you can return it within 14 days of delivery for a refund or exchange, provided the item is in its original condition.
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BORG 4551 M42EXTENSION Barrel MBK is backordered and will ship as soon as it is back in stock.
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Condition
Payment & Security
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Worldwide Insured & Tracked Shipping
Secure delivery for camera gear to your doorstep, no matter where you are!
Warranty
New Equipment: 2 year warranty.
Used Equipment: 6 month warranty.
For any issues, our dedicated support team is here to help.
