2x TC with Sigma 70-200/f2.8 vs Sigma 50-500

***Dave*** · 18-07-2006, 16:46

Recently have seen some stunning wildlife shots taken with the Sigma 50-500mm f/4.0-6.3 EX DG APO HSM, at the long end of lens. Now my 200mm is way off this focal length, so the question is how do people feel my Sigma 70-200/f2.8 with a 2x Teleconvertor will compare Picture Quality wise to the Bigma ?

Appreciate I will be at f/5.6 suddenly, but that is no worse than Bigma at 400mm. Also understand Optical quality will drop slightly due to TC, but just hoping this would be offset by Optical Quality of 50-500 being less than 70-200, based on extreme zoom range

Obviously the TC route would save lots of dosh....plus bag space

daveyuk · 19-07-2006, 09:19

Dave,
I've got the Sigma 70-200mm and the the Sigma x2 TC, if you would like to see some of my photo's I took while at the WTCC rounds at Brands Hatch then I'm more than happy to post some tonight for you to look at.

For me I'm quite happy with the results I'm getting from this combination and it also saves me from having to carry the Sigma 80-400mm lens as thats one big lump of a lens

Bristol camera's are selling their's for £139 plus p&p
Sigma Lens 18-50mm 28-135mm 55-200mm 28-200mm 70-300mm and more

Hope this helps

***Dave*** · 19-07-2006, 10:19

Very kind of you DaveyUK...I'll PM my email address.

Found this link for compatability of lenses with Sigma TC :- Sigma - Lenses - Teleconverters

After I've seen your shots I'll look to buy from Onestop at £120 all in

***Dave*** · 19-07-2006, 10:55

...or save another £33 & get the KenKo :- Kenko 2x Teleplus Pro 300 DG - Onestop Digital

Choices choices

***Dave*** · 19-07-2006, 18:35

Thanks for sending the Pics DaveyUK. Bit hard to tell how good the convertor is , due to poor light conditions on day of the shoot. Have you ever tried a test shot of lens at say 200mm f/5.6 & then identical one with 2xTC & lens at 100mm at f/2.8, so same eventual focal length & equivalent f/stop ? Would be very interested to see the difference .

daveyuk · 19-07-2006, 18:44

Nah sorry Dave

***Dave*** · 19-07-2006, 19:11

No probs.....but if you ever get time

mondeo · 27-11-2006, 18:23

All of these were taken with the Bigma and my then D50.

Helicopters

18-07-2006, 16:46	#1 (permalink)
*Dave* Pixalo Crew Join Date: Jul 2005 Posts: 14,231	2x TC with Sigma 70-200/f2.8 vs Sigma 50-500 Recently have seen some stunning wildlife shots taken with the Sigma 50-500mm f/4.0-6.3 EX DG APO HSM, at the long end of lens. Now my 200mm is way off this focal length, so the question is how do people feel my Sigma 70-200/f2.8 with a 2x Teleconvertor will compare Picture Quality wise to the Bigma ? Appreciate I will be at f/5.6 suddenly, but that is no worse than Bigma at 400mm. Also understand Optical quality will drop slightly due to TC, but just hoping this would be offset by Optical Quality of 50-500 being less than 70-200, based on extreme zoom range Obviously the TC route would save lots of dosh....plus bag space

19-07-2006, 09:19	#2 (permalink)
daveyuk Forum Regular Join Date: Jul 2005 Location: Berkshire Posts: 1,097	Re: 2x TC with Sigma 70-200/f2.8 vs Sigma 50-500 Dave, I've got the Sigma 70-200mm and the the Sigma x2 TC, if you would like to see some of my photo's I took while at the WTCC rounds at Brands Hatch then I'm more than happy to post some tonight for you to look at. For me I'm quite happy with the results I'm getting from this combination and it also saves me from having to carry the Sigma 80-400mm lens as thats one big lump of a lens Bristol camera's are selling their's for £139 plus p&p Sigma Lens 18-50mm 28-135mm 55-200mm 28-200mm 70-300mm and more Hope this helps __________________ http://www.pbase.com/davey_uk http://www.thehistorychannel.co.uk/s..._hill_2005.php

19-07-2006, 10:19	#3 (permalink)
*Dave* Pixalo Crew Join Date: Jul 2005 Posts: 14,231	Re: 2x TC with Sigma 70-200/f2.8 vs Sigma 50-500 Very kind of you DaveyUK...I'll PM my email address. Found this link for compatability of lenses with Sigma TC :- Sigma - Lenses - Teleconverters After I've seen your shots I'll look to buy from Onestop at £120 all in

19-07-2006, 10:55	#4 (permalink)
*Dave* Pixalo Crew Join Date: Jul 2005 Posts: 14,231	Re: 2x TC with Sigma 70-200/f2.8 vs Sigma 50-500 ...or save another £33 & get the KenKo :- Kenko 2x Teleplus Pro 300 DG - Onestop Digital Choices choices

19-07-2006, 18:35	#5 (permalink)
*Dave* Pixalo Crew Join Date: Jul 2005 Posts: 14,231	Re: 2x TC with Sigma 70-200/f2.8 vs Sigma 50-500 Thanks for sending the Pics DaveyUK. Bit hard to tell how good the convertor is , due to poor light conditions on day of the shoot. Have you ever tried a test shot of lens at say 200mm f/5.6 & then identical one with 2xTC & lens at 100mm at f/2.8, so same eventual focal length & equivalent f/stop ? Would be very interested to see the difference .

19-07-2006, 18:44	#6 (permalink)
daveyuk Forum Regular Join Date: Jul 2005 Location: Berkshire Posts: 1,097	Re: 2x TC with Sigma 70-200/f2.8 vs Sigma 50-500 Nah sorry Dave

19-07-2006, 19:11	#7 (permalink)
*Dave* Pixalo Crew Join Date: Jul 2005 Posts: 14,231	Re: 2x TC with Sigma 70-200/f2.8 vs Sigma 50-500 No probs.....but if you ever get time

27-11-2006, 18:23	#8 (permalink)
mondeo New here Join Date: Nov 2006 Location: Basingstoke Posts: 9	Re: 2x TC with Sigma 70-200/f2.8 vs Sigma 50-500 All of these were taken with the Bigma and my then D50. Helicopters

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