• Increase maximum aperture by 1 stop. (with a maximum output aperture of f/0.9).
  • Increase MTF (details).
  • Makes lens 0.71x wider.
  • Advanced 5-element/4-group optical design incorporating ultra-high index tantalum-based optical glass by Caldwell Photographic in the USA (patent granted).

Metabones Canon EF Lens to RF-mount T CINE Speed Booster ULTRA 0.71x MB_SPEF-EFR-BT2

Product code: 53953
649,95 tax incl.

Pre-order. Delivery time from 3 weeks.

Delivery options
Delivery Instore
possibly after 26.12.2025
Pickup in store
Free
Delivery
possibly after 28.12.2025
Courier (Omniva, DPD)
from 10 €
Delivery Bycicle
possibly after 26.12.2025
Bike delivery (in Riga only)
from 9 €
SKU: 53953
Model: MB_SPEF-EFR-BT2
Ean: 4897050183113
Manufacturer: Metabones

Condition: New product

649.95
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Payment period
3
6
12
24
36
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Optical

  •     Increase maximum aperture by 1 stop. (with a maximum output aperture of f/0.9).
  •     Increase MTF (details).
  •     Makes lens 0.71x wider.
  •     Advanced 5-element/4-group optical design incorporating ultra-high index tantalum-based optical glass by Caldwell Photographic in the USA (patent granted).

Electronic

  •     Autofocus.  AF speed is properly adjusted to account for and leverage the shorter focal length and the brighter maximum aperture.
  •     Dual-pixel autofocus (DPAF) and video AF support.
  •     Focal length and aperture are adjusted in EXIF (see note 3).
  •     Image stabilization (IS) lens support.
  •     Store EXIF data (lens name, focal length and maximum/minimum aperture) for one manual lens in the adapter.
  •     Build-in multi-function Control Wheel (turn/ push-in) for assignable functions(eg. ISO, shutter speed or aperture control, depth-of-field preview).
  •     Cinema EOS lens (CN-E 18-80mm T4.4 L) support with the supported camera (eg. EOS C70).
  •     LED indicator shows communication status. 
  •     Powered by camera body. With most lenses, no external power source is required.
  •     Cinema camera Canon EOS C70 and RED KOMODO 6K support.

Mechanical

  •     Patented positive-lock EF lens mount.
  •     The tripod foot is detachable and compatible with Arca Swiss, Markins and Photo Clam ball heads.
  •     Flocking to reduce internal reflection.
  •     Rubber gasket protects the RF mount connection from dust and moisture.
  •     Aluminum alloy and brass construction with chromium plating.
  •     Satin surface finish.
Type of ProductAdapters for lens
CompatibleCanon
Lens mountCanon RF
Focus TypeManual Focus
Adapter typespeed booster
Adapter is for camerasCanon R
Adapter is for lensesCanon EF
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!

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Metabones Canon EF Lens to RF-mount T CINE Speed Booster ULTRA 0.71x MB_SPEF-EFR-BT2

Metabones Canon EF Lens to RF-mount T CINE Speed Booster ULTRA 0.71x MB_SPEF-EFR-BT2

  • Increase maximum aperture by 1 stop. (with a maximum output aperture of f/0.9).
  • Increase MTF (details).
  • Makes lens 0.71x wider.
  • Advanced 5-element/4-group optical design incorporating ultra-high index tantalum-based optical glass by Caldwell Photographic in the USA (patent granted).

Write a review