Question 1

can i use it on canon 5d mark ii?

Accepted Answer

Yes, but most of us bought it because we can't afford a 5D Mark II.  You'd probably be happier with the $250-$300 active extensions, which allow focus and aperture changes with it attached.  (this cheap metal tube does not)

Question 2

What will happen to the picture quality if the "inner glass" is removed? Also, whats the difference between this one and the other ones on the market??

Accepted Answer

After much testing with Canon FD 300mm prime and Tamron 500 reflex. 2 inner lenses destroys the sharpness. Removing both you lose infinity on Canon but not reflex lenses. Keep the thick inner lens remove the thin one. Perfect. Except now MFD is a little greater. Not important. Sharpness! Remove both for all common reflex lenses still keep infinity.

Question 3

Does this mount directly to the body?  I have a macro lens that I just bought but it is one the screws on to an adapter.  Will this work?

Accepted Answer

It doesn't fit directly onto the body of the Canon EOS M. YOu will need the mount adapter EF EOS M. I bought this with the 0.43x wide angle macro lens 58mm that screws onto the front of my lens.  It dose not fit the wide angle macro lens that I bought with it.  The wide angle macro lens fits onto the front of my Canon EFS 55-250mm lens. I bought it so I would have the option since it is cheap enough and it gives different results. But since it is manual and it doesn't communicate with my camera, the EOS M sends out a message that a lens is not attached to the camera. However, if you can get it to work with your camera, you can get real close with your zoom lens.

Question 4

Will this extension fit on my Canon Rebel t3i?

Accepted Answer

Miss: Alyssa C.  My one and only experience has been with the Canon Rebel T3.  However, on 30Jan2014 I bought a wide angle lens for my T3. The lens was for a T3i.  It fitted just right.  It works great in photography involving flowers.

ASIN	B001G4QXN2
Aspect Ratio	Unknown
Best Sellers Rank	155 in Lens Flash Adapters & Converters
Box Contents	Fotodiox Lens Mount Adapter
Brand Name	Fotodiox
Camera Lens	Fotodiox mount adapter for Pentax Takumar and Zeiss 35mm lenses, compatible with Canon EOS cameras (e.g. 7D, 60D, 5D Mark III)
Colour	gray
Compatible Camera Models	Canon EOS DSLR cameras with EF or EF-S mounts
Compatible Devices	1d/1ds, Mark II, III, IV, X, C, 5D, 5D Mark II/III, 7D, 10D, 20D, 30D, 40D, 50D, 60D, 60Da Rebel xt, xti, xs, xsi, t1i, T2i, T3, T3i, T4, 300D, 350D, 400D, 450D, 500D, 550D, 1000D
Compatible Mountings	Canon EF, EF-S
Customer Reviews	4.5 4.5 out of 5 stars (354)
Exposure Control Type	Manual
Fixed Focal Length	35 Millimetres
Focus Type	Manual Focus
Global Trade Identification Number	00812759010380
Image Stabilization Type	No image stabilization
Item Type Name	Lens Adapter
Item Weight	20 Grams
Lens Design	Prime
Lens Mount	M42
Lens Type	Telephoto
Manufacturer	Fotodiox
Manufacturer Part Number	07LAm42eosB
Maximum Focal Length	0.01 Millimeters
Maximum Shutter Speed	1/4000 seconds
Media Type	ProductImage
Minimum Focal Length	0.01 Millimeters
Model Name	Fotodiox Lens Mount Adapter
Model Number	M42-EF-V1
Number of Items	1
Number of Packs	1
Photo Filter Size	42 Millimeters
Screen Size	42 Millimetres
Shooting Modes	Manual, Aperture Priority
UPC	812759010380 703341545543
Unit Count	1.0 count
Viewfinder Type	Optical view
Water Resistance Level	Not Water Resistant
Zoom Ratio	1:1

Fotodiox Lens Mount Adapter - M42 Type 1 Screw Mount SLR Lens to Canon EOS (EF, EF-S) Mount DSLR Camera Body

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