If this is your first visit, be sure to check out the FAQ by clicking the link above. You may have to register before you can post: click the register link above to proceed. To start viewing messages, select the forum that you want to visit from the selection below. |
|
|
Thread Tools | Display Modes |
#1
|
|||
|
|||
gear?
I have a canon digital rebel and a tamron 28-200 f3.8-5.6, I am looking at buying a 2x teleconverter on eBay for under $100.
Are any brands better than others, are they bad news or should I just buy a canon 75-300 for around $300 and not waste my money... ? kk -- =Kevin Kienlein - Entertainer/Inspirational Speaker =Vernon, BC, Canada =See my NEW WEBSITE http://www.kevinkienlein.com =Never give in, NEVER, NEVER, NEVER! =Life is the Gig, THIS AIN'T NO REHEARSAL! =Age 46/Tricuspid, Atresia, Atrial & Vent, Septal Defects. =My Congenital Heart Defects |
#2
|
|||
|
|||
gear?
You will not be pleased with a 2x teleconvertor. You will end up with a
56-400mm F/7.6-11.2. Furthermore, you will not get better quality than just cropping your picture by a factor of 2 and enlarging. Chromatic aberations will increase a lot. It will be very hard to focus given that your viewfinder is difficult to accurately manual focus already and with the reduced aperture, your viewfinder will be quite a bit dimmer also, and the apparent depth of field will be much larger, making it even harder to see the plane of best focus. Remember that you camera cannot autofocus with lenses faster than about f5.6 to 6.3 when they are wide open. A Canon 75-300mm F/4-5.6 lens can be had for as little as $149 brand new from Adorama. It is quite light and small. You could probably find a used one for even less as many people sell it when they get something better. http://www.adorama.com/Search-Result...n%20 75-300mm add another $30 if you want the USM version (they are optically the same). Don't waste $300 on the Canon 75-300, it really isn't worth it when it can be had for half of that. You could also consider the Sigma 70-300mm f/4-5.6 lenses at 124.95 and 199.95: http://www.adorama.com/Search-Result...-300mm%20canon The APO version is a little bit better particularily near the edges of the frame. Both of these focus down to 1:2 compared to 1:4 for the Canon, and they go a bit wider. The aperture also shrinks a bit slower as the focal length increases. Unfortunately they are both larger and heavier than the Canon 75-300, but Sigma does include the lens hood which Canon charges extra for. Sigma also prints a distance scale and a magnification scale on the lens whereas Canon unfortunately puts very little markings on their lenses these days. "www.kevinkienlein.com" wrote in message ... I have a canon digital rebel and a tamron 28-200 f3.8-5.6, I am looking at buying a 2x teleconverter on eBay for under $100. Are any brands better than others, are they bad news or should I just buy a canon 75-300 for around $300 and not waste my money... ? kk -- =Kevin Kienlein - Entertainer/Inspirational Speaker =Vernon, BC, Canada =See my NEW WEBSITE http://www.kevinkienlein.com =Never give in, NEVER, NEVER, NEVER! =Life is the Gig, THIS AIN'T NO REHEARSAL! =Age 46/Tricuspid, Atresia, Atrial & Vent, Septal Defects. =My Congenital Heart Defects |
#3
|
|||
|
|||
gear?
default wrote:
You will not be pleased with a 2x teleconvertor. My Kenko Pro 1.4x works great. I use it with my 24-135 Tamron f/3.5-5.6 and Canon 70-200L f/4. I don't use it much with the Tamron, only when I have room to bring one lens with me, but I believe it autofocuses at the long end. The correct aperture doesn't get reported for the Tamron so the camera thinks it's f/5.6. Greg -- "All my time I spent in heaven Revelries of dance and wine Waking to the sound of laughter Up I'd rise and kiss the sky" - The Mekons |
#4
|
|||
|
|||
gear?
tnx.. kk
"Ed Ruf (REPLY to E-MAIL IN SIG!)" wrote in message ... On Fri, 10 Nov 2006 02:00:25 -0800, in rec.photo.digital.slr-systems "www.kevinkienlein.com" wrote: I have a canon digital rebel and a tamron 28-200 f3.8-5.6, I am looking at buying a 2x teleconverter on eBay for under $100. Are any brands better than others, are they bad news or should I just buy a canon 75-300 for around $300 and not waste my money... ? You lose two stops with the 2x converter so your tamaron with a 2x will have a maximum aperture smaller than f/5.6 and the AF will not function. If you want AF look at another avenue. -- Ed Ruf ) http://edwardgruf.com/Digital_Photog...ral/index.html |
#5
|
|||
|
|||
gear?
Thank you VERY much for the info I will check it out... kk
"default" wrote in message news:NW15h.287540$1T2.232100@pd7urf2no... You will not be pleased with a 2x teleconvertor. You will end up with a 56-400mm F/7.6-11.2. Furthermore, you will not get better quality than just cropping your picture by a factor of 2 and enlarging. Chromatic aberations will increase a lot. It will be very hard to focus given that your viewfinder is difficult to accurately manual focus already and with the reduced aperture, your viewfinder will be quite a bit dimmer also, and the apparent depth of field will be much larger, making it even harder to see the plane of best focus. Remember that you camera cannot autofocus with lenses faster than about f5.6 to 6.3 when they are wide open. A Canon 75-300mm F/4-5.6 lens can be had for as little as $149 brand new from Adorama. It is quite light and small. You could probably find a used one for even less as many people sell it when they get something better. http://www.adorama.com/Search-Result...n%20 75-300mm add another $30 if you want the USM version (they are optically the same). Don't waste $300 on the Canon 75-300, it really isn't worth it when it can be had for half of that. You could also consider the Sigma 70-300mm f/4-5.6 lenses at 124.95 and 199.95: http://www.adorama.com/Search-Result...-300mm%20canon The APO version is a little bit better particularily near the edges of the frame. Both of these focus down to 1:2 compared to 1:4 for the Canon, and they go a bit wider. The aperture also shrinks a bit slower as the focal length increases. Unfortunately they are both larger and heavier than the Canon 75-300, but Sigma does include the lens hood which Canon charges extra for. Sigma also prints a distance scale and a magnification scale on the lens whereas Canon unfortunately puts very little markings on their lenses these days. "www.kevinkienlein.com" wrote in message ... I have a canon digital rebel and a tamron 28-200 f3.8-5.6, I am looking at buying a 2x teleconverter on eBay for under $100. Are any brands better than others, are they bad news or should I just buy a canon 75-300 for around $300 and not waste my money... ? kk -- =Kevin Kienlein - Entertainer/Inspirational Speaker =Vernon, BC, Canada =See my NEW WEBSITE http://www.kevinkienlein.com =Never give in, NEVER, NEVER, NEVER! =Life is the Gig, THIS AIN'T NO REHEARSAL! =Age 46/Tricuspid, Atresia, Atrial & Vent, Septal Defects. =My Congenital Heart Defects |
#6
|
|||
|
|||
gear?
www.kevinkienlein.com wrote:
This is a multi-part message in MIME format. ------=_NextPart_000_057A_01C7046B.FD1DF840 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable [...] Please post only simple plain text. That's much easier to read, as well. I have a canon digital rebel and a tamron 28-200 f3.8-5.6, I am looking at buying a 2x teleconverter on eBay for under $100. You'll also need a 3rd party focussing screen and a _stable_ tripod. for you'll have a very marginal 54-400mm f/7.6-11 without any AF. And a lot of light. Are any brands better than others, Canons will not fit most probably. are they bad news With any but the highest quality lenses, yes. They enlarge any faults, too! or should I just buy a canon 75-300 for around $300 and not waste my money... ? Probably much better (though find out if the sharpness at 300mm of the very lens you want to buy is enough for you before you buy). -Wolfgang |
#7
|
|||
|
|||
gear?
After all the input I received I am now looking at a sigma or tamron
28-300mm... is the tamron worth the extra $100?? opinions?/ tnx... kk "www.kevinkienlein.com" wrote in message ... I have a canon digital rebel and a tamron 28-200 f3.8-5.6, I am looking at buying a 2x teleconverter on eBay for under $100. Are any brands better than others, are they bad news or should I just buy a canon 75-300 for around $300 and not waste my money... ? kk |
Thread Tools | |
Display Modes | |
|
|
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
gear | www.kevinkienlein.com | Digital ZLR Cameras | 4 | November 17th 06 08:11 PM |
Gear?? | www.kevinkienlein.com | Other Photographic Equipment | 0 | November 10th 06 10:00 AM |
Writing off gear? | David Littlewood | Digital Photography | 2 | May 22nd 06 07:48 PM |
FA: More Topcon gear | Dave | 35mm Equipment for Sale | 0 | September 11th 04 09:26 PM |
FA: Topcon Gear | WebKatz | 35mm Equipment for Sale | 3 | September 10th 04 06:20 PM |