Search results for 'back focus' - page 1187
Cheap lenses for portraits
Why was the focus "failing"?
Posted by pgweber on 06/04/2017 - 16:36
Cheap lenses for portraits
if you are useing the k1 thinking back to the film days a lot of people use to use a 75mm and the 135mm
Posted by stu62 on 06/04/2017 - 16:41
Cheap lenses for portraits
Wide aperture lenses have very little depth of field at wide apertures, so focus is tricky to nail sometimes. The tiniest bit of subject movement can move the eyes out of the point of focus. I think the obvious choice is the Pentax 100mm f/2.8 macro lens. If you need to soften it, that can be don...
Posted by johnriley on 06/04/2017 - 16:42
Cheap lenses for portraits
Wide aperture lenses have very little depth of field at wide apertures, so focus is tricky to nail sometimes. The tiniest bit of subject movement can move the eyes out of the point of focus. I think the obvious choice is the Pentax 100mm f/2.8 macro lens. If you need to soften it, that can be don...
Posted by sebas77 on 06/04/2017 - 16:51
Cheap lenses for portraits
Why was the focus "failing"? even if the model wasn't moving, some times the eyes weren't in focus. I also found out that some times the eyelids are in focus and the eyes are not :). I don't shoot with aperture lower than 2.0
Posted by sebas77 on 06/04/2017 - 16:52
Cheap lenses for portraits
Wide aperture lenses have very little depth of field at wide apertures, so focus is tricky to nail sometimes. The tiniest bit of subject movement can move the eyes out of the point of focus. I think that might have been what caused the poor focussing for me, with my 50mm f1.4 on one of the display K...
Posted by pgweber on 06/04/2017 - 17:23
Cheap lenses for portraits
Why was the focus "failing"? even if the model wasn't moving, some times the eyes weren't in focus. I also found out that some times the eyelids are in focus and the eyes are not :). I don't shoot with aperture lower than 2.0 Are you using centre point focussing directed on the eyes? If not the ca...
Posted by JAK on 06/04/2017 - 19:58
Cheap lenses for portraits
[quote:3496ace15f="pgweber"]Why was the focus "failing"? even if the model wasn't moving, some times the eyes weren't in focus. I also found out that some times the eyelids are in focus and the eyes are not :). I don't shoot with aperture lower than 2.0 Are you using centre point focussing directed...
Posted by sebas77 on 06/04/2017 - 22:19
Cheap lenses for portraits
Set up a scene to simulate a model and practice to see what works for you, and repeat the shots until it works (almost) every time. If the shots are constantly front or back focussed It could be the camera needs the fine focus adjusting for the particular lens (most lenses seem to require this.)
Posted by JAK on 06/04/2017 - 22:53
Cheap lenses for portraits
a few thoughts. 1) Eye tracking AF is super useful for this, but it's not on any Pentax yet. My Pentax DSLR's are notorious for catching the eyebrow and not the eyes. Live view with focus peaking gives better results for me. 2) I don't know how I feel about buying something like a K-1 and then...
Posted by richandfleur on 06/04/2017 - 23:47
Cheap lenses for portraits
a few thoughts. 1) Eye tracking AF is super useful for this, but it's not on any Pentax yet. My Pentax DSLR's are notorious for catching the eyebrow and not the eyes. Live view with focus peaking gives better results for me. 2) I don't know how I feel about buying something like a K-1 and then...
Posted by sebas77 on 07/04/2017 - 11:00
Cheap lenses for portraits
Focal lengths for portraits depend to some degree on the amount of space available (it often helps to have good separation between the model and background). That said, if it was my choice I'd look at using my SMC-TAK 105/2.8 (I don't mind manual focus) or try a 2x Teleconverter on the 50/1.4 (Kenko...
Posted by johnha on 28/04/2017 - 17:58
Cheap lenses for portraits
I don't know how I feel about buying something like a K-1 and then not having any money for lenses. It's the lens that does the work of focussing the light on the sensor, so it's pretty important in the grand scheme of things. I find that professional photographers tend to value the lenses over th...
Posted by cyberjunkie on 10/05/2017 - 15:16
Cheap lenses for portraits
No one has mentioned the Jupiter9 85mm f2 8) I sorely miss that lens! It all depends on what look your after and how hands on you want as the above lens is old M42 preset lens that'll not be a quick point and press lens but something that requires time and patience to get right in terms of foc...
Posted by cardiffgareth on 10/05/2017 - 22:00
Cheap lenses for portraits
Yes, the Jupiter 9 is another great portrait lens, as most Sonnar-type objectives. I don't own one, if i did i would permanently convert it to PK, attaching a non flanged adapter to the lens with a drop of removable cement (like the red one used in mechanic workshops for car engines). The only thin...
Posted by cyberjunkie on 11/05/2017 - 13:59
Cheap lenses for portraits
Hot tip if the lens focus is smooth and easy to turn! Get the Pk to m42 adaptor and unscrew the locking metal pin off the adaptor. Then use threadlock glue and glue the adaptor to the lens mount. Now the lens is a PK lens but doesn't lock on to the body so it'll twist off without resistance! As long...
Posted by cardiffgareth on 11/05/2017 - 14:12
Cheap lenses for portraits
I have a SMC Takumar 135mm F3.5, which takes wonderful portrait images. It's a bit long on a crop sensor camera, but on a full frame I think it would be great. It cost me £20. I've done what Gareth describes above and fixed a M42 adaptor to it permanently so it's as convenient to use as a true ...
Posted by davidstorm on 11/05/2017 - 22:23
Sigma 150 -500 os off to japan for repair.
I sent the above lens to sigma as it wouldnt autofocus properly. Kept hunting, and when it did "lock" focus, it was way out. I sent it in and they said it needed a new mr sensor. Theyve had it for 3 weeks, and ive just received a call that it is still "very soft", so the repair was not 100 percent s...
Posted by scarr1 on 12/04/2017 - 14:23
Sigma 150 -500 os off to japan for repair.
It better be good when you get it back!
Posted by MikeInDevon on 12/04/2017 - 15:06
Sigma 150 -500 os off to japan for repair.
Same thing happened with my 50-500mm OS when I had it. It took ages to come back.
Posted by Mike-P on 12/04/2017 - 17:27
