Search results for 'back focus' - page 635
eBay Bargain
There are several questions on the listing, and one answer says "Not a Macro lens" and another indicates an aperture range of 2 - 22. Even if this is "only" a SMC Pentax-A 50mm f2, it's still a good lens, very useful for the digital bodies and well worth the price you bid. To make the deal eve...
Posted by johnriley on 24/03/2005 - 13:21
eBay Bargain
Hi John Did not see the Q & A's, I had my bid lined up a while ago, thought at the time that it may be a macro lens with the seller decribing it as f2.8 to f22 and the photo looks much like the one I have. Not dissapointed at only having to pay the final price for both items, however I alrea...
Posted by McBrian on 24/03/2005 - 14:33
eBay Bargain
Talking of bargins - just won an auction for an SF7 an AF400FTZ, a SMC F 35-135 an ever ready case and a cable release for a shade under £54. :lol: I only really wanted the lens (nice partner to my new 16-45 on the *ist DS) so the rest will be back on ebay is individual lots before long (might ...
Posted by amilner on 25/03/2005 - 13:46
eBay Bargain
I saw that, but as I already have all the constituent bits, there was no point in bidding. Unless you are well-supplied with flashguns, I would be inclined to hang onto the 400. It's powerful, it zooms, bounces and swivels, it has TTL and manual modes, as well as low-light focus assist, and has ...
Posted by George Lazarette on 25/03/2005 - 19:08
Pentax-F 1.7 AF Adapter
The 1.7xAF adaptor will not work correctly with non auto focus bodies. You can connect practically any lens to the front of the adaptor - including manual focus lenses. The adaptor itself will do the autofocus operation. So, when using an AF lens on an AF body with this, it becomes a little tr...
Posted by MattMatic on 01/04/2005 - 07:42
Pentax-F 1.7 AF Adapter
The 1.7xAF adaptor will not work correctly with non auto focus bodies.Matt You can experiment by using a small (watchmaker's type) screwdriver to adjust the AF coupler in the adapter before mounting it onto the camera. The suitable lenses are those with a maximum aperture of F2.8 or larger (if us...
Posted by Kimbo on 01/04/2005 - 13:28
Pentax-F 1.7 AF Adapter
Whoops, I didn't read the original reply carefully enough. You won't need to use a jewellers screwdriver with the *ist-DS ;) Here's how it works on the *ist-D (and almost certainly on the *ist-D): * AF from the camera controls the elements within the 1.7x only * You manually focus to ball-pa...
Posted by MattMatic on 01/04/2005 - 13:44
Pentax-F 1.7 AF Adapter
Hi, Just to amplify on something Matt said, I have used the convertor with a large number of lenses and bodies. The best thing to do is set the lens to infinity. The convertor will then cope with everything up to it's closest point. You only need to "focus" the lens if you need closer than this and...
Posted by Kim C on 12/04/2005 - 15:08
Pentax-F 1.7 AF Adapter
The AF will function - the coupling is only from the body to the AF1.7x adaptor. The focus function affects elements inside the 1.7x only. So, as long as it can be focussed, it should ;) Incidentally, it makes it much quicker to focus when you use 1.7x+telephoto because the body hasn't got to rot...
Posted by MattMatic on 03/08/2005 - 21:34
Pentax-F 1.7 AF Adapter
Well, no go on focusing, until I shorted out the contacts. The microscope adapter does not cover the contacts on the lens flange of the 1.7x AF adapter as a K lens would, so it will not auto focus at all. I think I need a giant washer with a 42mm hole. I recall having this same problem with some...
Posted by Anonymous on 03/08/2005 - 23:02
SFX Pentax Camera
The SFX will work with any Pentax "K" bayonet lens ever produced, including all the variants like SMC Pentax-M, -A, -F, -FA, -FAJ. However, the image produced by the DA lenses will not fill the whole frame, so avoid these. There is a new SMC Pentax-D FA 100mm macro lens which is quite good, and ...
Posted by George Lazarette on 04/04/2005 - 14:22
M42 - K Lens Adapter applied to the *ist DS
Hi Colin 4) Sorry not be clearer! If you attach a reverse adapter to the filter ring of a lens, you can then bayonet the lens in reverse onto the camera. This will give you a very close focus to the subject, in other words a high magnification. It will also deliver better quality this way round b...
Posted by johnriley on 05/04/2005 - 17:04
24-90 discontinued
I was judging a competition and doubted the colours of a particular shot, but the photographer put me right and assured me that they were genuine... We can't really know unless we were there, although different films and probably different CCDs will see things differently to us and to each other....
Posted by johnriley on 10/04/2005 - 20:05
Lens purchasing help!
Hi, I have recently got back into photography and was wondering what lenses I should buy. I got given an MX, and a p30n, 50mm 1:1.4 M lens, a 50mm 1:2 A lens, and an ozeck 135mm 1:2.8 lens. Firstly my MX, the foam has got a bit melty, and what is the quickest and easiest solution to fix this pro...
Posted by Anonymous on 13/04/2005 - 02:43
Lens purchasing help!
Hi Again, First of all I will give you all the bad news. :cry: As I replied on a different thread only today, the screens are very soft and very easily damaged. It would look like you will need a new screen. First off, I wouldn't do anything else. I have replaced the rear seals on a good few ...
Posted by Kim C on 13/04/2005 - 23:08
Lens purchasing help!
I think I spotted some MX screens on ebay a while back from a seller with ID as pentaxuser... might be wrong but it's worth checking out? Will
Posted by spirit_of_will on 14/04/2005 - 16:46
Sigma 28-200 AF
28-200mm is a huge zoom range, so expect good sharpness but poor drawing (high distortion), modest maximum apertures, not a particularly close focus, very expensive large filter sizes. I would expect much better performance out of more modest designs.
Posted by johnriley on 14/04/2005 - 16:04
Sigma 28-200 AF
Since I got back into photography I've tried the Promaster, Sigma and Pentax (Tamron) versions of the 28-200. Lucky I was able to sell them on without too many burned fingers. It taught me a valuable lesson, get what you want, not what you can afford, says it all I think.
Posted by McBrian on 14/04/2005 - 21:28
PA->AS switch on pentax 70-200mm zoom
Justin said: "im a beginner in this department so please bare with me" Are you a nudist or something? I have this lens. To use the zoom, you need to push the big dimpled zoom ring forwards towards the front of the lens to go into power-zoom mode, and back towards the camera to get into man...
Posted by George Lazarette on 22/04/2005 - 10:48
28-80mm Macro
As you already know, a 28-80 Macro zoom is not a true macro lens, but it may well focus quite close. The aperture ring can be set to any of the marked apertures, and usually this will mean that the camera will set the shutter speed (aperture priority or Av) or you could use manual settings of the...
Posted by johnriley on 25/04/2005 - 23:58
