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Metabones Nikon G to Sony E Speed Booster ULTRA 0.71x reduces crop factor, increases aperture by 1 stop, and improves image sharpness for Nikon lenses on Sony E-mount cameras.
Important information!
From 19 November the store is moving to new premises at 151 Dzirnavu Street, Riga!
- 14 November - the last working day at 39 F.Sadovņikova street.
- The store will be closed on 16 and 17 November due to the move.
- From 19 November, we look forward to welcoming you at our new address.
Metabones Nikon G to Sony E Speed Booster ULTRA 0.71x (MB_SPNFG-E-BM2)
Product ID: 22420
SKU: 22420
Condition: New product
Manufacturer: Metabones
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| Type of Product | Adapters for lens |
| Adapter is for cameras | Nikon F |
| Adapter is for cameras | Sony E |
| Adapter is for lenses | Nikon |
| Adapter is for lenses | Nikon G |
How to buy goods on lease?
- 1. Evaluate your options.
- 2a. If you want to buy only one product with Aizdevums.lv leasing, then fill out the application here
- 2b. If you want to buy several items or use another leasing company, then put the items in the basket and choose the leasing service when ordering.
We offer leasing from Aizdevums SIA, Incredit SIA, ESTO.
Manager will check the availability of the items in the cart and send the loan application link. - 3. If you receive a positive response, contact us to purchase the product. Consultants will check the availability of the product.
- 4. If the product is available in the store or to be ordered from the warehouse, and you have received an affirmative answer from our consultants, please visit the store to proceed with purchase and leasing documents.
- 4a. You can also ask us to issue an invoice for this product and visit one of the leasing company branches to sign up leasing documents *..
- 5. Once the leasing documents have been signed up, you can receive the product in the store, if it is on site or inform our consultants and they will order it for you from the warehouse.
- *It is possible to arrange delivery for leased goods, so you can also perform the entire purchase process remotely.
**The sequence of leasing steps is the same for leases offered by InCredit Group.
***In case of doubt, contact our consultants!
When using leasing services, carefully evaluate your options to repay the loan!Lease
Product details
Optical Design and Performance
The Metabones Nikon G to Sony E Speed Booster ULTRA 0.71x (MB_SPNFG-E-BM2) features an advanced 5-element/4-group optical design incorporating ultra-high index tantalum-based optical glass. This design achieves extraordinary optical performance with improved corner sharpness, reduced distortion, and minimized vignetting.
With a magnification factor of 0.71x, it effectively reduces the crop factor of mirrorless cameras with DX-sized sensors (such as Sony E-mount and Fuji X-mount) from 1.5x to approximately 1.07x. The ULTRA design uses exotic materials at the forefront of glassmaking technology, allowing excellent correction for virtually all full-frame SLR lenses regardless of exit pupil distance.
Lens Compatibility and Performance Enhancement
- Compatible with both Nikkor G lenses and F lenses, including non-AI and AI mounts.
- Transforms professional-grade f/2.8 zoom lenses (e.g., 24-70mm f/2.8 and 70-200mm f/2.8 by Canon and Nikon) into high-speed zooms with apertures around f/2.0 and focal lengths of 17-50mm and 50-142mm respectively.
- Converts high-speed prime lenses such as a 50mm f/1.2 into a 35.5mm f/0.9 lens, delivering excellent contrast and resolution from center to edges.
Key Features
- Industry-leading aperture ring with an 8-stop range marking, clearly indicating the actual number of f-stops (patent pending), eliminating guesswork.
- Increases maximum aperture by 1 stop, enhancing light gathering capability.
- Improves Modulation Transfer Function (MTF) for sharper images.
- Makes lenses 0.71x wider, effectively reducing focal length.
- Detachable tripod foot compatible with Arca Swiss, Markins, and Photo Clam ball heads.
Compatibility Notes
- Not fully compatible with full-frame Sony A7, A7R, and A7S cameras. When used with these models, the camera must be set to "APS-C Size Capture" mode.
- Incompatible lenses include Nikkor 2.1cm f/4 and 20mm f/2.8 AI-S lenses.
Usage Tips and Additional Information
- Before mounting your lens to the adapter, ensure the aperture ring on the adapter is set to "7" (fully closed aperture) to avoid mounting issues.
- This mount provides manual aperture control only and does not support electronic aperture control.
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