Pentax is genius!

eReL · 12-25-2007, 12:11 PM

Originally posted by vinzer

Thanks for the clarification eReL.

So the patent is more for the 1.3x crop sensor, then, I guess...

1.3x? Why do you think so?

vinzer · 12-25-2007, 03:34 PM

Just a guess on my part, with all of the DA lenses having the common denominator of an image circle enough to cover a 1.3x sensor, as per past discussions here.

mattdm · 12-26-2007, 09:00 AM

Originally posted by vinzer

Just a guess on my part, with all of the DA lenses having the common denominator of an image circle enough to cover a 1.3x sensor, as per past discussions here.

Someone on photo.net put the 16-50mm DA* on a film body and demonstrated that it doesn't actually cover 1.3× (or 1.25×).

vinzer · 12-26-2007, 03:48 PM

Originally posted by mattdm

Someone on photo.net put the 16-50mm DA* on a film body and demonstrated that it doesn't actually cover 1.3× (or 1.25×).

I haven't been following threads in photo.net. So are the new DA* lenses more of D-FA lenses?

thibs · 12-27-2007, 05:09 AM

Originally posted by vinzer

I haven't been following threads in photo.net. So are the new DA* lenses more of D-FA lenses?

You mean both DA* 200/2.8 and 300/4?

Well most probably they will cover 24x36 frame but don't ask for an aperture ring... I'd say 90% chance they cover 24x36.

vinzer · 12-28-2007, 12:54 AM

Originally posted by thibs

You mean both DA* 200/2.8 and 300/4?

Well most probably they will cover 24x36 frame but don't ask for an aperture ring... I'd say 90% chance they cover 24x36.

That's good. At least it'll increment the lens line-up for full-frame in case the market clamors for it (FF). Let's hope January brings these babies out.

Anastigmat · 12-28-2007, 10:07 PM

Originally posted by rvannatta

I see the FF(full frame) as a dead issue. that decision was made when the decision was made to downsize the lens size. apparently the option of an intermediate sized sensor midway between the APS-C and the Ff has been preserved, and if a decision is made for a future high end body, it would make a lot more sense to make it to work with the existing lens family than for a non-existent lens family.

Full frame is not a dead issue. Pentax may want people to buy DA lenses now and (hopefully) get rid of their full frame lenses. Then it will introduce a full frame and people will then be buying full frame lenses, "optimized for digital" will be the selling point for those who already own full frame lenses. Lenses are a lot more profitable than cameras. Therefore being APS-C forever makes no sense, since at some point people will stop buying DA lenses because they have enough of them. Releasing a full frame camera will rekindle the demand for new lenses.

thibs · 12-29-2007, 03:46 AM

Originally posted by Anastigmat

Full frame is not a dead issue. Pentax may want people to buy DA lenses now and (hopefully) get rid of their full frame lenses. Then it will introduce a full frame and people will then be buying full frame lenses, "optimized for digital" will be the selling point for those who already own full frame lenses. Lenses are a lot more profitable than cameras. Therefore being APS-C forever makes no sense, since at some point people will stop buying DA lenses because they have enough of them. Releasing a full frame camera will rekindle the demand for new lenses.

Sure, sure in 24x36 era, no one bought lenses in the end because they had enough of'em.

Jonson PL · 01-26-2008, 05:22 PM

Originally posted by codiac2600

-A shake reduction system for a full frame sensor. Huzzah, apparently they have an idea to get shake reduction even when the image is exposed to every pixel and every line!

Sounds interesting, but I wonder if it will require larger lenses than the old ones made for film.

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12-25-2007, 12:11 PM	#16
eReL New Member Join Date: Dec 2007 Location: Germany Posts: 5	Originally posted by vinzer Thanks for the clarification eReL. So the patent is more for the 1.3x crop sensor, then, I guess... 1.3x? Why do you think so?

12-25-2007, 03:34 PM	#17
vinzer Veteran Member Join Date: Mar 2007 Location: Philippines Posts: 1,399	Just a guess on my part, with all of the DA lenses having the common denominator of an image circle enough to cover a 1.3x sensor, as per past discussions here.

12-26-2007, 09:00 AM	#18
mattdm Veteran Member Join Date: Feb 2007 Location: Boston, MA Photos: Gallery Posts: 2,948	Originally posted by vinzer Just a guess on my part, with all of the DA lenses having the common denominator of an image circle enough to cover a 1.3x sensor, as per past discussions here. Someone on photo.net put the 16-50mm DA* on a film body and demonstrated that it doesn't actually cover 1.3× (or 1.25×).

12-26-2007, 03:48 PM	#19
vinzer Veteran Member Join Date: Mar 2007 Location: Philippines Posts: 1,399	Originally posted by mattdm Someone on photo.net put the 16-50mm DA* on a film body and demonstrated that it doesn't actually cover 1.3× (or 1.25×). I haven't been following threads in photo.net. So are the new DA* lenses more of D-FA lenses?

12-27-2007, 05:09 AM	#20
thibs Pentaxian Join Date: Jun 2007 Location: Belgium Photos: Albums Posts: 7,001	Originally posted by vinzer I haven't been following threads in photo.net. So are the new DA* lenses more of D-FA lenses? You mean both DA* 200/2.8 and 300/4? Well most probably they will cover 24x36 frame but don't ask for an aperture ring... I'd say 90% chance they cover 24x36.

12-28-2007, 12:54 AM	#21
vinzer Veteran Member Join Date: Mar 2007 Location: Philippines Posts: 1,399	Originally posted by thibs You mean both DA* 200/2.8 and 300/4? Well most probably they will cover 24x36 frame but don't ask for an aperture ring... I'd say 90% chance they cover 24x36. That's good. At least it'll increment the lens line-up for full-frame in case the market clamors for it (FF). Let's hope January brings these babies out.

12-28-2007, 10:07 PM	#22
Anastigmat Senior Member Join Date: Dec 2007 Location: USA Posts: 126	Originally posted by rvannatta I see the FF(full frame) as a dead issue. that decision was made when the decision was made to downsize the lens size. apparently the option of an intermediate sized sensor midway between the APS-C and the Ff has been preserved, and if a decision is made for a future high end body, it would make a lot more sense to make it to work with the existing lens family than for a non-existent lens family. Full frame is not a dead issue. Pentax may want people to buy DA lenses now and (hopefully) get rid of their full frame lenses. Then it will introduce a full frame and people will then be buying full frame lenses, "optimized for digital" will be the selling point for those who already own full frame lenses. Lenses are a lot more profitable than cameras. Therefore being APS-C forever makes no sense, since at some point people will stop buying DA lenses because they have enough of them. Releasing a full frame camera will rekindle the demand for new lenses.

12-29-2007, 03:46 AM	#23
thibs Pentaxian Join Date: Jun 2007 Location: Belgium Photos: Albums Posts: 7,001	Originally posted by Anastigmat Full frame is not a dead issue. Pentax may want people to buy DA lenses now and (hopefully) get rid of their full frame lenses. Then it will introduce a full frame and people will then be buying full frame lenses, "optimized for digital" will be the selling point for those who already own full frame lenses. Lenses are a lot more profitable than cameras. Therefore being APS-C forever makes no sense, since at some point people will stop buying DA lenses because they have enough of them. Releasing a full frame camera will rekindle the demand for new lenses. Sure, sure in 24x36 era, no one bought lenses in the end because they had enough of'em.

01-26-2008, 05:22 PM	#24
Jonson PL Veteran Member Join Date: Dec 2006 Location: Copenhagen Photos: Gallery Posts: 1,842	Originally posted by codiac2600 -A shake reduction system for a full frame sensor. Huzzah, apparently they have an idea to get shake reduction even when the image is exposed to every pixel and every line! Sounds interesting, but I wonder if it will require larger lenses than the old ones made for film.