Comments made by johnriley - Page 1095

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Focus on a point is the only sure way, and just wait for them to run through that point. Alternatively, small aperture, fast shutter speed, high ISO and don't bother to focus at all. This last method will work best with wider lenses where ther'e a bit of DOF to play with.

Comment by johnriley posted on How to capture subjects running towards you? at 30/08/2011 - 21:19

I rarely used the various makeshift dodging and burning tools that were commonplace, preferring to use my hands. It's remarkable how many shapes and shades can be made with two hands. Even a ragged hole for burning in small areas can be achieved.

Now of course we make a selection in Photoshop instead.

Comment by johnriley posted on Enhance eyes in Photoshop at 30/08/2011 - 19:36

brightstone wrote:
yes, i did miss a macro after M 100mm f2.8. So there is no Pentax M 100mm f2.8 macro.

Correct. We have to wait for the A series, when the choice becomes:

SMC Pentax-A 100mm f4 Macro
SMC Pentax-A 100mm f2.8 Macro
SMC Pentax-A 100mm Dental Macro (I think this is the f2.8 version), with additional markings to aid dental photography.

Comment by johnriley posted on Pentax A 100 mm at 30/08/2011 - 17:36

It may be a genuine attempt to impart information Kris, so let's not be too hasty. Incidentally, when reporting spam it's useful if the original is not quoted in a subsequent post because it increases the number of posts that have to be removed.

Just drop a PM and it'll be sorted.

Comment by johnriley posted on Flower photos - good enough to sell? at 30/08/2011 - 17:32

brightstone wrote:
I have never seen a M 100mm 'f2.8'. the most of M are f/4 version and therefore goes a lot cheaper than f2.8. i think Pentax made three extraordinary A macro lenses, A 100/2.8, A 50/2.8, A* 200/4. A 50/2.8 seems not rare and cheaper than other two.

Just to clarify this, the lenses are:

SMC Pentax-M 100mm f2.8
SMC Pentax-M 100mm f4 Macro

The former is a standard telephoto, focusing to 3 feet. The latter is a macro lens, focusing to a magnification of 1:2, or half life size.

Comment by johnriley posted on Pentax A 100 mm at 30/08/2011 - 14:25

It's likely I was thinking of the 28-200mm, after a brief check.

In any event, the 18-200mm DiII is not renowned for its optical quality, so finding an 18-250mm Pentax or Tamron would be a much better bet.

Comment by johnriley posted on Tamron 18-200mm at 30/08/2011 - 08:47

So it seems, but are we sure there isn't a previous version that is film-designed?

Comment by johnriley posted on Tamron 18-200mm at 30/08/2011 - 07:41

Yes, thanks for the clarification.

Comment by johnriley posted on Not For Sale anymore at 29/08/2011 - 21:56

Maybe it would, but they do drop off the radar anyway. I think buyers and sellers should really wrap up threads so we all know what has happened.

Comment by johnriley posted on Not For Sale anymore at 29/08/2011 - 19:37

The K10D/K20D and K-7/K-5 designs are different, but just that. After a while, whichever you use will become second nature.

It's easy enough to buy a K-5, SRS may be the first port of call for most of us, but I guess there will come a time when supplies dry up and we move on to the next design, whatever that may be.

Comment by johnriley posted on The K-5: Not for me! (at least for the time being) at 29/08/2011 - 19:35

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