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The Fotodiox Excell+1 Will Uncrop A Sensor and Gain You A Full Stop Of Light

Jul 11, 2014 by Udi Tirosh 11 Comments

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http://youtu.be/jB9rV8-42R8

Fotodiox just released a pretty cool accesory called the Excell+1. The Excell+1 is a lens booster which means that it has internal optics to concentrate the light coming from a lens into a smaller area.

now, why would you want to do that? 

What is a lens booster

fotodiox-excell-1

A lens booster is a small device that goes between the lens and the camera’s native bionet. If the camera lens combo is such that the lens is a full frame lens while the body is using a crop factor sensor, some of the image from the less “spills” around the sensor.

A lens booster manipulates the light coming from the lens so it only overlaps the needed sensor. So basically a lens booster uncrops a lens/camera combo.

There are two effects to this uncropping, the obvious one is that you loose the ‘zoom’ factor crop sensors create. So a 100mm lens will actually perform as a 100mm lens even if you are using a smaller sensor. (on a Nikon DX sensor, it would appear to be 150mm for example)

The other effect is that you are getting more light into the sensor, so whatever f rating the lens has gets a +1 upgrade. Kinda like in the Mario brothers arcade. Here is what you gain:

excel-1-booster

When can you use a booster?

Since the booster depends on the camera bionet, the lens bionet and the crop factor, the boosters are camera/lens specific.

The Excel+1 comes in two flavors: Nikon F-Mount G Lens and Canon FD Lens both build for the micro four thirds on the camera end. That means that those specific ones will work with the pocket BMCC as well as any m43 camera.

I have not tested those personally so I am not sure what the optical impact is, but it would sure be an interesting experience, and if you consider the price shift from an f/1.8 to an f/1.4 lens the $160 may be  absolutely worth it.

[via SLR Lounge | nofilmschool]

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Related posts:

Fotodiox Excell+1 And Metabones Speedboosters Compared; Lead Is Pretty Obvious Full frame vs. crop sensor: is it really worth switching to full frame? The Fotodiox DLX Stretch adapters let you turn any lens into a macro Fotodiox has announced its new Pro Fusion “Smart” AF adapter for Canon EF to Leica L mount

Filed Under: Gear Tagged With: Excell+1, Fotodiox, lens booster, Lenses

Udi Tirosh: from diyphotography.net

About Udi Tirosh

Udi Tirosh is an entrepreneur, photography inventor, journalist, educator, and writer based in Israel. With over 25 years of experience in the photo-video industry, Udi has built and sold several photography-related brands. Udi has a double degree in mass media communications and computer science.

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Udi Tirosh: from diyphotography.netUdi Tirosh is an entrepreneur, photography inventor, journalist, educator, and writer based in Israel. With over 25 years of experience in the photo-video industry, Udi has built and sold several photography-related brands. Udi has a double degree in mass media communications and computer science.

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