Search results for 'back focus' - page 655
Auto Focus Lenses - The Long and the Short of It
Hmmm, Just got the low down on my two dud 28-70's - replacement internal elements cost more than a mint one is worth second hand. BER, in other words :( Anyone need some spare parts? Matt
Posted by MattMatic on 25/10/2006 - 12:36
Auto Focus Lenses - The Long and the Short of It
Well mac it would appear that while a fine performer (astounding for the price) the odds and numbers speak volumes, about build quality, I stand corrected. BTW wouldn't the 10d and the soon to be released weather sealed lenses be the catz' meow out there in a kayak?
Posted by Don on 25/10/2006 - 14:04
Auto Focus Lenses - The Long and the Short of It
Yaknow Don, you're on to something there! Thanks! Instead of dragging myself through several iterations of film camera bodies, and filling more kit bags with gear at each step, why don't I just wrap the whole evolution up in one fell swoop and go straight to the latest digital? I'm certainly conv...
Posted by Anonymous on 25/10/2006 - 15:12
Auto Focus Lenses - The Long and the Short of It
Sorry George, Could you please clarify whether the Sigma lens that you refer to focuses quickly or slowly, I'm not sure you've quite got your point across. :D Dan Daniel, Please excuse my vagueness on this issue, and I am grateful for the opportunity to make myself abundantly clear: Tho...
Posted by George Lazarette on 26/10/2006 - 02:42
Auto Focus Lenses - The Long and the Short of It
George said: Those who don't believe that the 50-200 is the not the fastest focussing lens on the planet are not incorrect according to those who are ill-informed. What scares me is that actaully makes sense.....I gonna get some coffee and read that again later...lol
Posted by Don on 26/10/2006 - 12:54
What lens type retains ALL DS2 functionality?
I would echo what George has said. If you want an autofocus lens, then any Pentax AF lens will do just fine. The *istDS has the KAF mount, which differs from the KAF2 mount in that it does not support the Power Zoom function on a very few lenses that have it. No big deal really. If you want any o...
Posted by johnriley on 28/10/2006 - 14:21
What lens type retains ALL DS2 functionality?
Interesting. Am I to assume that the SMC Pentax-A series are only manual focus? As I mentioned previously, I think I'd like a fast prime lens but I'd also want it to autofocus. Can someone tell me what small primes have autofocus? Thanks
Posted by jmvideo on 28/10/2006 - 16:05
What lens type retains ALL DS2 functionality?
Am I to assume that the SMC Pentax-A series are only manual focus? Yes. Can someone tell me what small primes have autofocus? Any of the AF lenses that have a single focal length only, that is, are not zooms, are called primes. Small ones could be anything in the standard or wide angle rang...
Posted by johnriley on 28/10/2006 - 16:16
What lens type retains ALL DS2 functionality?
John I would reccomend you seriously consider manual focus if you can, KA lenses are pretty reasonable, you could be lucky enough to pick up a 50mm f1.7 for £30+ whereas a KAF prime will set you back a few hundred quid or more, its not that long ago I sold a K mount 50mmF1.7 and 135mm f2.8? (or...
Posted by fatspider on 28/10/2006 - 19:02
Stick with Pentax or go to Sigma EX
I've had cheaper Sigmas and used the EX range too. But now I stick to Pentax ;) For me it's the bokeh - Sigma bokeh is always so "busy" and distracting. The best Pentax glass produces the most beautiful soft bokeh. Oh yes, and the number of aperture blades - the Pentax 8 blade and 9 ...
Posted by MattMatic on 01/11/2006 - 10:03
Stick with Pentax or go to Sigma EX
I've been impressed by the Sigma EX 50mm f2.8 macro, and I'm not easily impressed. It's nice and light, has a surprisingly nice feel, and produces very good results. I don't have the direct Pentax equivalent to compare it to, but I do have both the SMC Pentax A 100 f4 Macro and SMC Pentax FA 100 f2....
Posted by stevo on 01/11/2006 - 12:28
Diffusion Confusion
When I bought my 35-70mm f4 SMC Zoom, I went after 58mm filters for it. I was lucky enough to find an eBay seller offering Hoya Polarizer, UV(0), Skylight and Diffuser as a package for a great price and snapped them up as much for the PL as anything. Only recently have I actually looked at the ve...
Posted by Anonymous on 02/11/2006 - 22:02
Diffusion Confusion
I think I'll start with sunrises and sunsets? Might be nice for early morning mist or for soft focus landscapes. I have never really used a diffuser much, and now I would probably use Photoshop instead. But for transparency film there will still be a place for diffusing some images. Try it on a C...
Posted by johnriley on 02/11/2006 - 23:55
Diffusion Confusion
Might be nice for early morning mist or for soft focus landscapes I thought thats what fog filters were for (or have Cokin been pulling the wool over my eyes?)
Posted by fatspider on 02/11/2006 - 23:57
Diffusion Confusion
I'm with George and Mac and McBrian....If I want soft focus, or difusion...break out the scotch...even makes the wallflowers look prettier... keep yer lenses sharp and blur yer senses! javascript:emoticon(':twisted:')
Posted by Don on 03/11/2006 - 04:20
Diffusion Confusion
I just got a comparison portrait shot back - ISO 200, f5.6, 1/125 sec. Pentax 280 TTL flash through a Super Program using a 35-70 f4 zoom at 50mm. One shot is nice, the other looks like it is out of focus - not nice - but good if you're shooting Canon? Going to try spritzing it with glycerin a...
Posted by Anonymous on 05/11/2006 - 20:11
Is a Really Fast Lens Worth It?
Hi Mac, Good question, not silly question! One that you can only really answer based on personal experience and techniques, I think. For me, there are several benefits, and several drawbacks, to large aperture telephotos: Benefits 1. Brighter viewfinder image (great for focusing - manua...
Posted by Daniel Bridge on 03/11/2006 - 13:21
Is a Really Fast Lens Worth It?
Don and Dan, That's what I was looking for! With my failing eyesight, I can sure see the advantages of huge aperture focusing in bad light no matter what kind of shooting one does. And Don, I'll bet you're correct about missed shots. Mine are usually missed 'cause I have the wrong focal len...
Posted by Anonymous on 03/11/2006 - 13:59
Is a Really Fast Lens Worth It?
Hi, There is lots of mis-information about fast lenses and lots of myths. Fast lenses were basically developed for pro use, especially for low light shooting and also action work. Lens makers assume they are going to be used wide open or near to it, so most fast lenses are actually computed to...
Posted by bretbysteve on 03/11/2006 - 14:44
Is a Really Fast Lens Worth It?
Hi Steve, Just had a go at your experiment, can't say I got the same results as you. :D Found it easier to focus critically with a wider aperture. Also tried stopping down my 50mm 1.7 to f/4, focusing, then opening the aperture up to f/1.7 again. Found that what looked in focus at f/4 wasn't ...
Posted by Daniel Bridge on 03/11/2006 - 18:16
