Search results for 'back focus' - page 742
teleconverter question
hi hope someone can advise. I got a cheapo TC off ebay a while back which is manual focus but enough of a cheap test for me to decide I do want to get one which can do aurofocus. I would be after 2x and see that there is a Sigma one on SRS for £99 which seems pretty good. I wonder if anyone can a...
Posted by bigcog on 31/12/2008 - 11:33
teleconverter question
The auto in most cases refers to the teleconverter having linkages that will enable the lens to focus at open aperture and then stop down normally when the image is taken. This is a mechanical link and nothing to do with autofocus. There are autofocus teleconverters with electronic contacts but I...
Posted by johnriley on 31/12/2008 - 11:56
teleconverter question
I can recommend the Kenko 1.5X Teleplus DG - auto focus (screw drive) and auto exposure, around £85. Google to find it. By the way, it fully works with the Tamron 70-300mm at 300mm (F5.6), even though it's only supposed to work at F4 and brighter. The image quality is surprisingly good as long as...
Posted by iceblinker on 31/12/2008 - 12:13
teleconverter question
I have the Sigma 2X (£99 from SRS) and its excellent with my Sigma 70-200mm f2.8 and Pentax F* 300mm f4.5 but it will only manual focus with the Pentax lens. It will not fit many lenses though as the front element of the Sigma converter sticks out (unlike my Tamron 1.4X units) and so you need a rec...
Posted by Mike-P on 31/12/2008 - 15:52
teleconverter question
Chirpy, My Kenko 1.5 has the PZ designation and the power zoom contacts but still does not work with SDM. :? I will experiment a little more with it and try it on my DA*16-50. Odd. Mine definitely does work on the 300mm - I just tested it again. i have a Kenco PzAF 1.5 and just tried it on my new ...
Posted by bforbes on 21/01/2009 - 20:52
teleconverter question
I did check and clean the two sets of contacts in the Kenco that match the SDM but still no Joy you could try testing the path from front to back thru the TC's SDM contacts by using a multimeter ? (might be worth checking with Kenko b4 doing that in case there's a microchip in the TC - not sure ho...
Posted by bladerunneruk on 21/01/2009 - 23:22
teleconverter question
I did check and clean the two sets of contacts in the Kenco that match the SDM but still no Joy you could try testing the path from front to back thru the TC's SDM contacts by using a multimeter ? (might be worth checking with Kenko b4 doing that in case there's a microchip in the TC - not sure ho...
Posted by bforbes on 22/01/2009 - 01:13
teleconverter question
I did check and clean the two sets of contacts in the Kenco that match the SDM but still no Joy you could try testing the path from front to back thru the TC's SDM contacts by using a multimeter ? (might be worth checking with Kenko b4 doing that in case there's a microchip in the TC - not sure ho...
Posted by Tooks on 22/01/2009 - 14:42
teleconverter question
Does the TC have "Pz-AF" on the barrel too ? If so then it seems like a clear case for return under the sale of goods act. (well at least until you took it apart !)[/quote]Yes it does have Pz-AF on the barrel and it does auto focus, both before and after i took it apart, but using the camera's mecha...
Posted by bforbes on 22/01/2009 - 18:53
teleconverter question
I had the Kenko 1.5x too, and that had the two 'power zoom' contacts on it as well, which drove my HSM & SDM lenses no problem.[/quote] Hi Tooks how long ago were you using the 1.5x? Mine must be getting on for two years old. Were you lenses HSM-SDM only if they still had a mechanical drive woul...
Posted by bforbes on 22/01/2009 - 19:01
teleconverter question
I had the Kenko 1.5x too, and that had the two 'power zoom' contacts on it as well, which drove my HSM & SDM lenses no problem. Hi Tooks how long ago were you using the 1.5x? Mine must be getting on for two years old. Were you lenses HSM-SDM only if they still had a mechanical drive would the 1....
Posted by Tooks on 22/01/2009 - 19:17
DA 12-24mm for £400!
Noticed amazon have DA 12- 24 for £450 ie £400 with cash back which looks v tempting
Posted by overthere on 31/12/2008 - 16:41
Can amateurs justify Professional quality lenses?
Ask your wife if she would rather your hobby is going down the pub every night drinking beer and chatting up other women :) I must admit to being in the same boat, I was looking at the DA* 300mm and DA* 200mm but could not bring myself to spend the money on something that is "only a hobby" and to...
Posted by Mike-P on 02/01/2009 - 09:19
Can amateurs justify Professional quality lenses?
You all talk enormous sense! What started me along this train of thought was your recomendations for 50mm lenses back in August - I bought the F1.7 "A" which I have to say was dream to use and made the rest of my lenses feel cheap - I tried to use it for as many of my shots as possible! I did ...
Posted by ElySimon on 02/01/2009 - 10:16
Can amateurs justify Professional quality lenses?
Can “amateurs” justify “Professional” quality lenses? I am looking to update my lens collection to make the most of my K10D, the latest offerings from Pentax look simply Awesome the Pentax DA* 300mm F4 & Pentax smc DA* 55mm F1.4 are very tempting, to say the least. I would describe myself as a...
Posted by bladerunneruk on 02/01/2009 - 13:38
Can amateurs justify Professional quality lenses?
take your wife to a camera shop. start off looking at a Canon pro camera and a fast canon 300mm IS lens. point out how outrageous the price is, do the puppy dog with no bone sad eye thing (you were taught that back in highschool, or did you skip that class?(that was the one day in health/sex ed wh...
Posted by Don on 02/01/2009 - 15:20
Can amateurs justify Professional quality lenses?
Thanks for your thoughts guys I wasn't really having too many problems justifying the lenses I have bought/dreaming about - I was just interested in the rationale behind the purchasing of a lens with such a high price tag. My wife would be happy for me to spend 1000GBP on a lens if I wanted it...
Posted by ElySimon on 06/01/2009 - 01:26
Pentax 55-300 lense, a wise decision as my second lense?
Richard Thank you very much for the sound advice. Sounds definitely the deal, and the £25 cashback helps too. My slight hesitation was only because looking at the 50-200 for under £50 made me think perhaps am I not just going a little too far with the 55-300 at this stage? But on the other hand i...
Posted by aminstar on 02/01/2009 - 11:39
Pentax 55-300 lense, a wise decision as my second lense?
I've not used a 55-300 but all the pictures I've seen from it look very good indeed. Having said that, the 50-200 also looks like a good lens and is smaller / lighter (not that the 55-300 is heavy but it's worth considering). The two zooms (16-45 + whichever) will make for a good general purpose...
Posted by hefty1 on 02/01/2009 - 11:55
Pentax 55-300 lense, a wise decision as my second lense?
Pete Now you got me thinking :). This is the great feedback I get here from you all, absolutely helpful. With the discount the Pentax 55-300 will set me back £164, and the Tamron 70-300 costs £79 in my local shop. I dont mind paying the little bit extra by going personally into a shop and being w...
Posted by aminstar on 02/01/2009 - 12:06
