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Metabones MB_SPEF-M43-BT3 Canon EF Lens to Micro Four Thirds T Speed Booster XL 0.64x

code:MB_SPEF-M43-BT3
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Metabones MB_SPEF-M43-BT3 (MBSPEFM43BT3, MB SPEF M43 BT3, MB/SPEF/M43/BT3, mb_spef-m43-bt3) Canon EF Lens to Micro Four Thirds T Speed Booster XL 0.64x

Features and Benefits

Limitations

Optical

Increase maximum aperture by 11/3 stop

Increase MTF

Makes lens 0.64x wider

Patented 6-element/4-group optical design by Caldwell Photographic in the USA

Supports 4k video mode with DX lenses.

Electronic

Auto focus on Panasonic Micro Four Thirds cameras

Can be powered either by camera body or by third-party external 5V power source (not included)

Iris/aperture controlled by the camera body.

Image stabilization (IS) lens support

Electronic manual focusing (e.g. EF 85/1.2L II and discontinued EF 50/1.0L)

EXIF (focal length, aperture, zoom range)

Distance and zoom display on camcorders (requires lenses supporting distance information)

Other

Detachable tripod foot compatible with Arca Swiss, Markins and Photo Clam ball heads.

The interior is painted with flocking coating to further reduce the internal reflection.

 

Supports only Panasonic GH4, GH3, G3, G5, G6, G7, G10, GF3, GF5, GF6, GX1, GX8, Olympus E-PL7, Blackmagic Cinema Camera with Micro Four Thirds mount**, Blackmagic Pocket Cinema Camera***

EF-S lenses require modification to fit (but third party DX lenses can be used without modification)

EF-S and third party DX lenses may not cover the full Micro Four Thirds sensor in still photo and FHD video modes (but will cover 4k video mode)

No video AF for Olympus

AFC (continuous AF) and AFF (flexible AF) modes are not supported

Panasonic video AF may hunt more than a native lens

EF-mount lenses are not silent but may make audible click noises during autofocus operation and iris changes which may be picked up by the built-in microphone of the camera. An external microphone is recommended for video.

Iris changes are unsmooth but in 1/8 stop steps which may be noticeable in video recordings. Programmed exposure mode and shutter priority exposure mode should not be used for video.

No support for in-camera correction such as peripheral shading, CA and distortion

A new Micro-4/3 mount Speed Booster® adapter designed exclusively for the Panasonic GH4 and other selected Micro Four Thirds cameras (refer to the below camera compatbility table), with a magnification of 0.64x.  The Speed Booster XL 0.64x uses an advanced 6-element optical design to achieve extraordinary optical performance at apertures up to an incredible f/0.80, a new record for Micro Four Thirds format. 

 

The new Speed Booster XL 0.64x reduces the full-frame crop factor of the Panasonic GH4 from 2.0x to 1.28x, thus effectively transforming these cameras into APS-H format.  When the GH4 is used in Cinema 4k video mode the horizontal full frame crop factor is reduced from 2.34x to 1.50x, thus effectively transforming the GH4 into a super-35 format 4k cine camera.  In addition, the speed of any attached lens is increased by 11/3 stops, with a maximum output aperture of f/0.80 when an f/1.2 lens is used.  For example, a 50mm f/1.2 becomes a 32mm f/0.80, which is the fastest aperture available for full size Micro Four Thirds format.

Compatibility

The Speed Booster XL 0.64x is similar to the Blackmagic-specific 0.64x BMCC Speed Booster (MB_SPEF-BMCC-BM1), but has been completely re-designed to meet the following requirements:

 

The working distance has increased by 1mm to permit use on the Panasonic GH4 and a number of other Micro Four Thirds cameras without touching the flexible outer cover of the camera’s shutter mechanism.

 

The optics are optimized for a standard Micro Four Thirds filter stack thickness of 4mm rather than the 2.4mm found in Blackmagic cameras.

 

The image circle diameter has been increased to 21.63mm so that the full 17.3mm x 13mm Four Thirds format is covered.  This has been achieved while maintaining unusually high image quality over the 17.4mm image circle used by the Panasonic GH4 in its Cinema 4k video mode.

 

Although the Speed Booster XL 0.64x has extra clearance compared to the 0.64x BMCC Speed Booster, there are still a number of Micro Four Thirds cameras that are not supported due to mechanical clearance issues.  This is summarized in the table below, which is color-coded so that Green means the camera is supported and Red means the camera is not supported. 

 

Note that many of the Red-coded cameras actually do function, but there is a minor interference with the protective shutter cover.  Although slight contact with the shutter cover appears to have no effect on the functioning or cosmetics of either the camera or the Speed Booster we cannot support these combinations due to possible risk of damage.

Autofocus with an Optimum Balance of Accuracy, Speed, Consistency and Reliability

New in Speed Booster XL for Canon EF Mount to Micro Four Thirds is autofocus support, subject to certain limitations (see table below for details). We are pleased to report that Panasonic Micro Four Thirds camera bodies are capable of autofocusing accurately even if the maximum aperture of the Speed Booster and the lens combined is in the sub-f/1.0 range. Although our first and foremost priority is accuracy, we are able to make great strides in autofocus speed as well.

Autofocus Lens Compatibility List

Accurate

Tested by the community, thanks!

Accurate only on newer cameras such as Panasonic G7 and GX8

Canon EF 8-15mm f/4L USM Fisheye

Canon EF 20-35mm f/3.5-4.5 USM

Canon EF 24-105mm f/4L IS USM

Canon EF 28-80mm f/3.5-5.6 II

Canon EF 35-80mm f/4-5.6

Canon EF 40mm f/2.8 STM

Canon EF 50mm f/1.2L USM

Canon EF 50mm f/1.4 USM

Canon EF 70-200mm f/2.8L IS II USM

Canon EF 70-300mm f/4-5.6L IS USM

Canon EF 85mm f/1.2L II USM

Canon EF 100mm f/2.8L IS Macro USM

Canon EF 100mm f/2.8 Macro USM

Canon EF 100-400mm f/4.5-5.6L IS USM

Sigma 18-35mm f/1.8 DC Art

Sigma 18-125mm f/3.8-5.6 DC HSM

Tamron SP 24-70mm f/2.8 Di VC USD A007

Tamron SP 70-200mm f/2.8 Di VC USD A009

Tokina AT-X PRO 11-16mm f/2.8 DXII

Canon EF 70-200mm f/2.8L IS USM (Mark I)

Canon EF 85mm f/1.2L USM (Mark I)

Canon EF 200mm f/2.0L IS USM

Canon EF 300mm f/2.8L IS USM (Mark I)

Canon EF 400/2.8L IS USM (Mark I)

Canon EF 70-200mm f/4L USM

Canon EF 135mm f/2L USM

Canon EF 200mm f/2.8L II USM

Canon EF 300mm f/4L IS USM

Inaccurate

Canon EF 50mm f/1.8 II

Sigma 50mm f/1.4 EX HSM

Tamron 28-300mm f/3.5-6.3 XR Di VC A20

Manual focus only

Not supported

Contax N lenses modified by Conurus

Zeiss ZE lenses

Tamron SP 17-50mm f/2.8 VC B005

Some improperly-made M42 screw mount adapters may short the electronic contacts of the Speed Booster and cause damage to the Speed Booster and/or camera body.Manual Focus Lens Compatibility

Focus confirmation "chips" such as Dandelion are incompatible.

 

Many manual focus lenses (e.g. OM 28/2.8, OM 50/1.8, Leica R 15/3.5) have rear protrusions (spikes, levers, other appendages) which would damage the optics and/or housing of Speed Booster. They need to be modified before they can be safely used on Speed Booster. Check and make sure there are no rear protrusions from the adapter/lens combination before using on Speed Booster.


Metabones Speed Booster XL 0.64x Specifications:

Magnification:  0.64x

Crop Factor for Full Micro Four Thirds format:  1.28x

Crop Factor with GH4 in Cinema 4k (4096 x 2160) Video Mode:  1.5x

Maximum Output Aperture:  f/0.80 (with f/1.2 lens attached)

Rectilinear Distortion:  < 0.8%

Lens Elements/Groups:  6/4

Length Reduction:  6.2 mm

Camera Mount:  Micro Four Thirds

Image Format:  17.3 mm x 13.0 mm (full Micro Four Thirds format) 

Business Finance Options:

More and more businesses are adapting their strategies to focus on financial forecasting, credit control and effective working capital management. The trick is to invest in the business using finance options that encourage payment over time, offer demonstrable return on investment (ROI) and, most importantly, leave reserves intact.

Benefits:

1.                                Spread the cost over time

2.                                Tax efficiency

3.                                Create instant cash flow benefits

4.                                Demonstrate ROI from day one

5.                                Gain additional source of credit

6.                                Cover all acquisitions with one simple, regular payment

Example Quote:

Capital Cost: £10,000

Rental: 1 + 35 Monthly Payments of £320.00

Subject to underwriting and terms and conditions

For further information please contact our sales team on +44 (0) 208 397 1407 or email us on sales@digibroadcast.com

Standard UK Mainland Delivery    

We offer a standard mainland UK Delivery charge of £6.25 plus VAT on all orders (unless otherwise specified)

Items are estimated to arrive between 1-2 working days, subject to stock availability.

We also offer a Next Day Delivery £7.50 + vat and a Saturday Delivery option £25.00 + vat

Next day delivery - Option available if you order before 2.00pm 

European Delivery Service

DigiBroadcast can ship any item within Europe. Delivery charges will apply and are dependent on the size, weight and destination of the products you have ordered, and the area zone it is allocated to. 

All European deliveries are estimated to arrive between 1-3 working days, subject to stock availability, and prices are dependent on the European zone your country is allocated to.

 

Offshore & Overseas Delivery Service                                        

DigiBroadcast can ship any item worldwide. Delivery charges will apply and are dependent on the size, weight and destination of the products you have ordered, and the area zone it is allocated to.

All International deliveries are estimated to arrive between 2-5 working days, subject to stock availability,and shipping prices are dependent on the International zone your country is allocated to.

You will be responsible for any customs or import duties levied once the goods reach your country.   

                                   

IMPORTANT NOTES REGARDING VAT AND EU VAT                                      

If you are an EU registered business, with a valid VAT number, then you do not have to pay VAT.

You can enter your VAT registration number on the check out page, after you have selected your payment method.

Returns Policy                                               

This web site is intended for professional users. Customers must satisfy themselves that a product is suitable before making a purchase. Items sold online are sold on a firm sale basis and are not returnable. Items sold as new that within one year of the date of sale exhibit problems which can be attributed to manufacturing faults will be repaired or replaced. The decision to repair or replace will be at the discretion of Digibroadcast Co Ltd.                                                                                        

As part of our policy, items must be returned as new within 7 working days of delivery and with all the original packaging intact and product tags attached.                                            

Please notify us of your intention to return in writing at support@digibroadcast.co.uk within 7 days of receiving your delivery.         


Returns Policy  for USED products                                                                               

Problems that can be attributed to fair wear and tear, misuse, exposure to contaminants including water or impact damage will be chargeable repairs.

"You" the customer within 7 days must notify us if you wish to return your purchased products to be able to asses, verify and fix any disputes with the purchase.                                           

Customers wishing to return items to Digibroadcast Co Ltd. must contact us to obtain a returned material number (RMA) before shipping the item. When contacting us please say that you want to make a return and have your invoice number ready to quote.                                           

Items returned to Digibroadcast Co Ltd without prior agreement will be returned to the customer. Digibroadcast Co Ltd accepts no liability for financial losses incurred by customers who have submitted unauthorised returns.                                

For some products the manufacturer offers the facility to register the product and obtain an enhanced warranty. Customers are strongly urged to register such products immediately. Digibroadcast co ltd regret that unregistered customers will not be able to benefit from the additional benefits.                                           

                                                

Unwanted Product Returns within 14 days                                        

"You" the customer within 7 days must notify us if you wish to return your purchased products. After 7 days, unwanted goods will only be accepted at Digibroadcast Co Ltd discretion and will be subject to a 25% restocking charge.                                           

The unwanted product must be returned in its original and undamaged packaging with all the accessories. Returns must be made within a reasonable period - maximum of 28 days from the day you receive the product.                                      

If the product is not returned in its original packaging, is damaged or has any accessories missing, we reserve the right to refuse a refund or charge for the missing accessories.                                       

We will not refund the delivery charge and you will be liable for the delivery charge when returning the product. Follow our Return Procedure to return the product.                                               

PAYMENT
We accept PayPal, American Express, Visa, MasterCard, Maestro, Visa Electro, Delta, most Corporate cards and European cards.

 

If you wish to pay over the phone simply call us on +44(0) 208 397 1407

We also accept payment by Bank Transfer and Cash

Payments can also be made in person on collection


The prices stated on our website include any VAT. The amount you pay will be the price indicated on the product plus any delivery charges.

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All credit and debit cardholders are subject to validation checks and authorisation by the card issuer.

If the issuer of your payment card refuses to, or does not for any reason, authorise payment then you will be notified.

We may also use your information for the purposes of the prevention and detection of fraud. One of the purposes for which we may disclose your address and postcode details is to check against the IMRG Security Alert or any other Credit Reference Agency or Fraud Prevention Scheme.

At all times where we disclose your information it will remain secure.

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Sage Pay uses a range of secure methods, including fraud screening, IP address blocking and 3D secure: once on the Sage Pay systems, all sensitive data is secured using internationally recognised 256-bit encryption standards. Sage Pay is PCI DSS (Payment Card Industry Data Security Standard) compliant to the highest level and maintains regular security audits, and is regularly audited by the banks and banking authorities to ensure that their systems are impenetrable. Sage Pay is an active member of the PCI Security Standards Council (PCI SSC) that defines card industry global regulation.

Your session is in a secure encrypted environment when you see https:// in the web address, and/or when you see the locked padlock symbol alongside the URL.

More information about shopping securely with Sage Pay can be found at www.sagepay.co.uk/shoppers.

 

 

 

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