JAK

Joined: 29th January 2010

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JAK
ChrisA wrote:
JAK wrote:
I believe SDM was designed to be quicker.
This sort of statement is far too simplistic, and consequently uninformative.
Sorry, apparently the SDM mechanism is claimed to provide smoother and quieter focusing, not faster. The word 'Super' means 'more than' so it sounds like it should be faster! It still is true that SDM is nothing to do with IQ as said in the original post.

John

Comment by JAK posted on Fast focus for baby shots at 13/04/2012 - 23:07

JAK
whelmed wrote:
The problem with pre-focusing is they move front and back so depending on the DOF that 1 inch is enough to bright them out of the depth of field.
If you were using a Pentax ME or similar manual focussing cameras, how would you have coped?

John

Comment by JAK posted on Fast focus for baby shots at 13/04/2012 - 23:04

JAK
JamieT wrote:
I will add that you only seem to get 10-12 seconds for something to come into focus....maybe this can be changed?
That might be to do with the Meter Operating Time or Auto Power off settings.

John

Comment by JAK posted on Catch in Focus/Focus Trap at 13/04/2012 - 23:00

JAK
I believe SDM was designed to be quicker.

Anyhow, another thought, you know where the baby is while considering to take the photo. Pre-focus the camera on the baby ready so you can just press the shutter at the opportune moment. No focussing delay at all. With a manual focussing lens camera in the good old days, that's what you'd have to have done anyway.

John

Comment by JAK posted on Fast focus for baby shots at 13/04/2012 - 22:50

JAK
The fastest focussing lenses are the SDM ones. SDM is nothing to do with IQ, it stands for 'Supersonic Drive Motor.'

Have you tried the DA 17-70? That focusses pretty quickly on a K-5 and is SDM.

All lenses will struggle in low light situations though but I'm surprised you had a problem with the f1.4 ones.

A suggestion, have you tried using a different focussing mode? I find using the 'centre' setting works well and allows me to get the point that I want to be in focus rather than have the camera decide for me what it thinks I want!

John

Comment by JAK posted on Fast focus for baby shots at 13/04/2012 - 22:07

JAK
To Pinus:
Just to point out that the OP has now purchased his K200D as you'll note in the comment prior to yours.

To David (gilbodavid):
Look forward to seeing some of your photos once you've sorted out your software. If you need any advice with it I'm sure the folk hear will be willing to help.

Regards, John

Comment by JAK posted on Wanted: K200D at 13/04/2012 - 13:43

JAK
I took this photo of the QM2 passing Scarborough in October 2009 with my GX20 and 18-250 (set to 250mm.)

Comment Image


It was still several miles out to sea so it's cropped from the original image. I sent it in to the BBC for their weather bulletin photos and it was on screen later that night!

John

Comment by JAK posted on Strange infinity on Pentax 18-250mm lens at 13/04/2012 - 12:43

JAK
If indeed that post is from a Pentax UK representative I'm sure we're all pleased for Pentax UK to join the forum. Let us hope that they use the opportunity to carry forward the views from the main Pentax Users forum in the UK to the company's Senior Management and use the opportunity to hint at their marketing direction.

They are welcome to tell us their 'propaganda' and I feel sure they'll be interested to hear our views on it. Pentax have had a presence (I think!) in the UK for a very long time and this appears to be the first time they have made contact with a dedicated internet user group. Let's hope it goes from strength to strength.

I suspect the original suspicion that the first post could have been evidence of trolls at work was because obvious trolls had been posting on the site not long earlier.

I will make it clear though that the tie in with Jessops, while welcome, has not filtered through to the smaller stores nationwide where in fact Jessops tend to have a higher photo retailer presence than in the larger cities. Our local store seems to have nothing Pentax in it at all. In fact it isn't really much more than one of those 'photo quick' type of shops. Unfortunately, rather than set up in competition to the original local photo retailers, Jessops often chose to buy them out instead. So presently it tends to be Jessops or nothing. And Jessops seems to stock very little itself now! I'm sure they put more effort into the city branches but they forget the rest.

To 'Pentax UK', suggest you visit some provincial stores such as ours and see what happens when you ask for a Pentax product. Ours is a major holiday destination and just the sort of place potential new users may just decide they need a new camera for their holiday. It won't be a Pentax in Scarborough.

John

Comment by JAK posted on Jessops fall out with pentax at 13/04/2012 - 12:17

JAK
Looks a good buy and about the price I paid for something similar (I got one that does automatic timing and can preset the number of exposures.)

One additional thought, it might prove necessary to use the eyepiece cover provided with the camera to stop stray light affecting the exposure. Worth an experiment to make sure if exposures without it look a little off perhaps?

John

Comment by JAK posted on Catch in Focus? at 13/04/2012 - 02:16

JAK
You're right David. From where I live on the Yorkshire coast I have to drive miles to see any Pentax stock in a Jessops store. Last weekend I went to have a look at the Q in our local store. I was advised that the nearest ones were in Leeds, 60 miles away where apparently they had four! What sense is there in that?

John

Comment by JAK posted on Jessops fall out with pentax at 13/04/2012 - 01:58

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