BORG 7922 M49.8 Extension Tube M
BORG 7922 M49.8 Extension Tube M | Add spacing to your optical setup
Without an extension tube, you have to work within the focusing range of your existing optical setup. The BORG 7922 M49.8 Extension Tube M is a component for adding spacing within a BORG arrangement, giving you another way to adjust how the optics focus. It’s for photographers and observers building or adapting a setup from BORG components, especially when close focusing is the goal. Place an extension tube in the optical path to increase the separation between components; that change can allow closer focus and greater magnification, depending on the rest of the arrangement. This is a specific part, rather than a complete lens or a general-purpose accessory. The product name gives you the key identifiers to look for: BORG, 7922 and M49.8. Use the full designation when matching it to your parts list.
Specialist Note
This won’t make an optic longer in focal length; it changes the spacing in the setup instead. That’s why I’d consider it when you want to work closer, not when you need a different focal length. The 7922 model number and M49.8 designation are worth keeping together when you’re selecting the part for a BORG arrangement: use the full name to distinguish this tube from other components in your kit. For a close-up subject, fit the tube into the optical path and adjust your setup’s focus from there. It suits someone who knows the BORG parts they’re building around and wants a specific extension component.
Technical Specifications
- Brand: BORG
- Model: 7922
- Designation: M49.8
- Type: Extension Tube M
BORG 7922 M49.8 Extension Tube M 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 7922 M49.8 Extension Tube M 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.


