Speed Booster Adapter- Rollei QBM to E-Mount ULTRA (MB_SPROLLEI-E-BM2)
Item usually ships within 7-10 business days, direct from Australian distributor.
The Metabones Rollei QBM Lens to Sony E-Mount Camera ULTRA Speed Booster improves upon the original Metabones Speed Booster with a 5 element/4 group optical design that incorporates ultra-high refractive index tantalum-based glass for improved sharpness and reduced distortion and vignetting. The Speed Booster ULTRA allows a full frame Rollei QBM lens to be mounted to an APS-C format E-Mount camera and in doing so, increases the angle of view and increases the maximum aperture by approximately one f/stop.
When a lens intended for full frame sensors or 35mm film is mounted to a camera with an APS-C sized sensor, it transmits a larger area of light than the smaller sensor was built to accept and therefore the effective angle of view of the lens increases. The Speed Booster condenses light from the lens and projects it onto the APS-C sensor allowing the sensor to utilize all of the lens' light and effectively reduces the crop factor of and APS-C E-Mount camera from 1.5x to 1.07x, producing a full-frame angle of view with an APS-C sensor. A corresponding increase in the maximum aperture of one f/stop makes the lens more effective in low-light situations and able to create a shallow depth of field.
Metabones Speed Boosters are quality made using precision-machined brass with chromium plating on both the camera body and the lens side of the booster in order to ensure smooth mounting, quality aesthetic and durability. This adapter has a detachable tripod foot that is compatible with Arca Swiss, Markins and Photo Clam ball heads.
Although the lens will fit physically, automatic diaphragm (AE metering) or other auto functions are not retained using this speed booster. These speed boosters are only fully compatible with mirrorless cameras housing APS-C or smaller image sensors. They will physically fit the Sony full frame mirrorless cameras, but the camera must be set in Crop Mode to fully support the speed booster's functions.
Metabones MB_SPROLLEI-E-BM2 Features
The Speed Booster ULTRA design incorporates ultra-high index tantalum-based optical glass for enhanced optical performance with improved corner sharpness and reduced distortion and vignetting
This glass technology and optical design perform extremely well with professional-grade f/2.8 zoom lenses and high-speed fixed focal length lenses such as a 50mm f/1.2 which will perform as a 35.5mm f/0.9 lens with high contrast and resolution from the center to the edges of the image
Precise fit and solid connection - lens has no play, gap or wiggling when mounted on speed booster and no adjustments are required to fit your lens. Both the camera-side and the lens-side of the speed booster are made of brass which is precision-machined and chrome-plated
The Speed Booster uses matte-black treatment to keep internal reflection to a minimum in order to maintain the maximum optical quality possible with the lens. The exterior features a black satin surface finish
Designed to reach infinity focus while maintaining the correct registration distance required to maintain optical quality of CRC lenses or lenses with floating elements
The speed booster features a detachable tripod foot which is compatible with Arca Swiss, Markins, Photo Clam ball heads
Although the lens will fit physically, automatic diaphragm (AE metering), or other auto functions are not retained using this speed booster
We understand that sometimes you may need to return a product you have purchased from Vizcom Technologies. To assist you, we have set out the Vizcom Technologies Returns Policy in more detail under our terms and conditions page.
1. Australian Consumer Law
Our Returns Policy includes, and does not seek to exclude or limit, the rights you have under the Australian Consumer Law (if you are a consumer) and other relevant laws.
If you are a consumer under the Australian Consumer Law:
- Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and for compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure. For more information on product warranties please refer to the individual manufacturers warranty period.
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