Question about Sigma 1.4x EX APO DG TELE CONVERTER (CANON AF)

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I have a sigma apo 1.4x DG teleconverter for pentax it does not seem to fit any of the pentax lens i have. do i need an adapter or different teleconverter?

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The rear element of the lens is near the mount the converter
will not fit the conveter needs about 10mm space at the
back of the lens

Posted on May 13, 2009

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SIGMA CAMERA LENS 50-500MM 1:4-6:3 APO HSM EX FOR CANON


Any digital single lens reflex camera body , rebel t3i, go to Canon's USA website and look at dslr cameras

Oct 20, 2012 | Sigma APO 50-500mm F4-6.3 EX DG/HSM Lens

1 Answer

Sigma 170-500mm f.5-5.6. fit on nikon d 200 ??? and i wild like to how good is this one 170-500mm


Sigma makes their lenses with a variety of mounts for a variety of cameras. A lens with a Canon mount, for example, will not fit onto a Nikon camera. Assuming the lens has a Nikon mount, it is fully compatible with the D200.

If you mean the 150-500mm, you can see a review at
http://www.popphoto.com/gear/2008/12/sigma-150-500mm-f5-63-dg-os-hsm-apo-af

In general, Sigma supertelephoto zooms have a pretty good reputation. However, only YOU can decide whether a particular lens is "good enough" for you.

Aug 04, 2011 | Sigma Zoom Telephoto 170-500mm f/5-6.3 APO...

1 Answer

Does a "Sigma APO DG


It will fit, but you cannot guarantee that it will be fully compatible.

Third party lens manufacturers have to reverse engineer the patented technology of SLR manufacturers and then arrive at their own alternative and non-infringing solutions. As a result, their lenses are only ever guaranteed compatible with the SLR models available at the time they were manufactured, and if those cameras subsequently have firmware updates then all bets are off.

Sigma do offer an update service on many of their lenses, but it's not free and the lens has to go back to them for modifications.

The only lenses you can be sure of being compatible are the original Canon branded models.

Jul 13, 2011 | Sigma AF 70-300mm f/4.0-5.6 DL Macro Super...

1 Answer

I am having a sigma lens sigma mount i like to put it on nikonD. 40 is it possible


Sigma makes lenses with a variety of mounts. If it has a Nikon mount then it will fit. If it has some other mount then it will not fit.

Jan 05, 2011 | Sigma APO DG EX 14 (824955) Lens Converter...

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Cant seem to fit the converter to a 50-500mm ex sigma lens ?


It all depends upon the lens. Not all lenses can accept teleconverters, usually due to projecting rear elements incorporated into the individual lens design. With such lenses, manufacturers will either advise that a particular lens will not be compatible with a teleconverter or for some models may produce a custom matched model usually for that lens alone.

Which exact lens are you trying to fit to your Sigma 1.4x EX APO DG teleconverter?

Feb 05, 2010 | Sigma 1.4x EX APO DG TELE CONVERTER (CANON...

1 Answer

Use of teleconvertres


Teleconverters are not recommended with variable aperture and slow zoom lenses. Since there is an additional element, the effective max. aperture will get reduced to about f/8-11. So it is not worth the money.

Dec 24, 2008 | Nikon D40 Digital Camera with G-II 18-55mm...

1 Answer

Pentax K110D and Sigma 17-35mm F2.8-4 EX DG


The Penta K110D has a 1.5X crop factor so a 17mm lense would be the equivalent to 25.5mm (in 35mm standard), therefore may not give you a 103 angle view. You would not really notice that much difference between 17 and 18mm.

Aug 29, 2008 | Pentax K110D Digital Camera

1 Answer

135-400mm lens on nikon d40


Unfortunately, this lens is not supported by the D40 due to Nikon's unfortunate decision to leave out the autofocus motor from this camera.  This is why I tell folks not to waste their money on the D40 - access to the many, many, many lenses that Nikon has made over the years, many of which are available used for a substantial savings, is lost on this camera.  The only Nikon lenses that work are AF-S lenses, and some third party lenses that have their own internal motors.  I got a list of Sigma lenses that are compatible with the D40 for you:
The list of compatible Sigma lenses for the Nikon D40 as of the current date is as follows:
  • 10-20mm F4-5.6 EX DC
  • 12-24mm F4.5-5.6
  • 17-35mm F2.8-4 DG
  • 50-500mm F4-6.3 DG
  • APO 50-150mm F2.8 EX DC HSM
  • 70-200mm F2.8 DG MACRO
  • 80-400mm F4.5-5.6
  • 100-300mm F4 DG
  • 120-300mm F2.8 DG
  • 300-800mm F5.6 DG
  • 14mm F2.8 EX
  • 30mm F1.4 EX DC HSM
  • 150mm F2.8 EX DG
  • 180mm F3.5 EX DG
  • 300mm EX DG
  • 500mm EX DG
  • 800mm f5.6 EX DG
from here:  http://www.imaging-resource.com/NEWS/1177682545.html
Sorry for the bad news.  The cheaper thing at this point may be to sell the D40 and get a D80.  I personally have a D70S, but that is no longer made.  

Dec 06, 2007 | Sigma Zoom Tele 135-400mm f/4.5-5.6 APO...

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