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Comment by Daronl posted on See link to official guide on Power Zooms, "auto zoom function" and older Pentax interchangeable lenses at 21/07/2015 - 12:34
In addition to your list, the 28-105 shown in the picture above in this thread is also a power zoom, designated SMC FA; it is a F4-F5.6.
I have that and the 100-300 too and they came out with the Pentax Z1P, being the same carbon grey colour as the Z1P; both were very respectable performers.
See link for powerzooms: https://www.dropbox.com/sh/3kn6tao5phmxen3/AACaOgKsqo9qcxS-gEDQYacIa?dl=0
Regards
DaronL
FA J lenses have no aperture rings and were introduced with the *ist film camera. They are not Power Zoom. These are designated FA.
Power Zoom lenses were:
28-70mm f/2.8
28-80mm f.3.5-4.7
70-200mm f/4-5.6
80-200mm f/2.8
100-300mm f/4-5.6
250-600mm f/5.6
Comment by Daronl posted on Auto Zoom Lenses??? at 20/07/2015 - 20:10
Regards
The Tamron 1.4 teleconverter arrived today, as described excellent condition and fast delivery. Thank you Daronl. It seems to work well with the Tamron macro and the Samyang 8mm fisheye. I hope to give it a proper run out later.
Comment by Daronl posted on "Cleaning out the cupboard" at 18/07/2015 - 07:01
Best Regards
Just ask us to move it if it hasn't been noticed, rather than posting twice. I've moved this now to Classified Ads.
Comment by Daronl posted on FS: SMC Pentax-DA* 200mm F2.8 ED [IF] SDM at 17/07/2015 - 23:01
Jean my sincere apologies; what can I say you have caught me again; so all I can do is declare my unerring intent not to commit a similar transgression again.
I have a similar problem with recycling, frequently putting the wrong thing in the wrong bag, my wife says it is because I am a man.
However there is hope for me; having posted two more FS adverts in recent days since the original one that prompted a response as a result of it's "misplacement" , one of the two latest was placed correctly so that is a 50% improvement already.
I apologise to all once again and thank you (Jean), for your diligence in pointing out these transgressions and in doing so bringing a corrective influence; I most certainly will endeavour not to commit any further infractions.
Best Regards
You have done it again! This should be in the Classified section
Comment by Daronl posted on FS: SMC Pentax-DA* 200mm F2.8 ED [IF] SDM at 17/07/2015 - 22:50
Little used; Mint Condition with original caps, Lens-hood, Ballistic Nylon Case and a 77mm UV filter fitted.
£515 + postage (24hr Special delivery)
Current lowest price from UK Retailer £719
Current highest price from UK Retailer £929
Average Price from 5 UK Retailers £754 (exc’ highest above)
Pictures
https://www.dropbox.com/sh/i86061almudh0ql/AADSCp0Ffsd089c6H3gSnKIfa?dl=0
Comment by Daronl posted on FS: SMC Pentax-DA* 200mm F2.8 ED [IF] SDM at 16/07/2015 - 19:57
The lenses are the 28-105 and 100-300 Power zooms and like the cameras are in good nick.
Also shown is a genuine Pentax leather case that fits the MZ5 and 28-105 zoom
£15 + £6p&p.
Pentax MZ5


Pentax Z1P


Misc' items Fs

Comment by Daronl posted on Two film cameras with or without lenses .FS at 16/07/2015 - 11:01
After all the illness and consequences of the past 18 months I now have some enthusiasm to get the photo gear back out on a regular basis and I'm looking forward to doing some model shoots again.
I'm looking for a another body to go along with the K3 so I'm looking for a decent priced K5-iis, does anyone feel like parting with one?
SLR Hut are the only place I can find with new stock but I've read mixed reviews that make me hesitate.
Comment by Daronl posted on WTB: K5-iis at 16/07/2015 - 10:37
1. For field sports a DA* 60-250 DA * aided and abetted by a 16-50 DA*
2. For indoor court sports, at court side ( no flash permitted) I use a Sigma ART 35mm f1.4 and the 85 mm f1.4 version, both are stunning with incredible low light Capability.
Re Field sports and athletics, I used to use a 50-135 DA* but the 60-250 DA* is simply a better tool and whilst we have all marveled at the IQ of the 50-135 DA*, the bigger lens is as good , some of my exhibition prints using this lens with A K3 are hugely cropped but still printed at very large size without any issues on resolution or sharpness.
As I usually say when the subject of the performance of the 60-250 DA* is mentioned, take a look at the Orangutan portrait in my portfolio,( wide open, hand held in not to good light), it is a lovely lens for sure.
For "individual sports action portraits" I have reached for my f2.8 200mm DA* on occasions which we all know is pretty good.
However the sigma zoom you are using is also a very highly rated and capable piece of glass and frankly if I was choosing just one lens for outdoor then that would definitely be a very high quality option to my 60-250 .
But I find a second wider lens is very necessary too, as sometimes you are right on the touch line or lane side in the Sports field and the wider zoom or prime is useful .
Again Sigma Zooms are more than capable of pro IQ so they are always a less expensive option and I really like the build quality and optics.
Hope this helps
Regards
Daronl
Comment by Daronl posted on Lenses for sports at 15/07/2015 - 14:33
Thanks for sharing this wonderful set of images with us
Best Regards
Comment by Daronl posted on 12 Pentax K3 Ambassador Photos at 14/07/2015 - 23:07


Powerzooms and Auto Zoom setting
Vic Cross's original post generated much commentary and interest on the subject of Power Zoom lenses and interestingly aluded to the existence of Automatic Zoom Lenses.
if you read the linked document, from page 16 you will see, amongst other interesting points that such functions were available on the PowerZooms, so Vic was correct in referring to "Auto-Zoom" lenses.
The document is a very comprehensive appraisal of the evolution of the smc FA lens family .
The Document is entitled
[i]smc PENTAX-FA
INTERCHANGEABLE LENS OPERATING MANUAL[/i
https://www.dropbox.com/s/thq59cg93mnygtt/smc_pentax-fa_interchangeable_lens_ope...%282002%29.pdf?dl=0