Who needs a big white one?
Best regards, John
My Photobucket
Matt
Shooting the Welsh Wilderness with K-m, KX, MX, ME Super and assorted lenses.
Mike
My Flickr Site

Despite the low sellers feedback he has some good stuff for sale

Half Man... Half Pentax ... Half Cucumber
Pentax K-1 + K-5 and some other stuff
Algi
Ken
“We must avoid however, snapping away, shooting quickly and without thought, overloading ourselves with unnecessary images that clutter our memory and diminish the clarity of the whole.” - Henri Cartier-Bresson -
Is it me or is it cheap? At the moment it's hitting £620 (with 4 minutes to go).
I expected much, much more. I hope this isn't an indicator that anything I'm selling will right now will struggle to reach a decent price.

Ken
“We must avoid however, snapping away, shooting quickly and without thought, overloading ourselves with unnecessary images that clutter our memory and diminish the clarity of the whole.” - Henri Cartier-Bresson -
"modern sensors sure resolve the shortcomings of an optical system" do explain further.
I keep being told variants of this one. All I can say is that basic lens designs haven't changed in the best part of a century. Coatings have improved and machining tolerances have been tightened but the best older glass can still compete.
I wouldn't bother with things like old non-brand zooms but SMC Pentax ("K series") lenses are still worth owning.
Matt
Shooting the Welsh Wilderness with K-m, KX, MX, ME Super and assorted lenses.
"modern sensors sure resolve the shortcomings of an optical system" do explain further.
Ken
Although film as you know is capable of the highest resolution the emulsion upon which it is based scatters light softening the potential highest resolution the film grain technology is capable of and can cause halation around brighter objects which also softens, masks or blurs both the positive effects of a lens... it's maximum possible resolution and the negative effects ...in this case chromatic aberration.
DSLR sensors are not emulsion based but do have the anti-aliasing filter though its effects on light scatter are minimal but perhaps Pentax also considered this into the equation when doing away the anti-aliasing filter in their 645D.
Mike
My Flickr Site
"modern sensors sure resolve the shortcomings of an optical system" do explain further.
I keep being told variants of this one. All I can say is that basic lens designs haven't changed in the best part of a century. Coatings have improved and machining tolerances have been tightened but the best older glass can still compete.
I wouldn't bother with things like old non-brand zooms but SMC Pentax ("K series") lenses are still worth owning.
Go back even further, there are a lot of good m42 lenses out there.
Regards,
Dan
https://www.flickr.com/photos/honourabletyr/
Prices of rarer K lenses seem to be all over the place. I get the impression that some stores just charge what they paid plus their normal markup, while others set mad BIN prices and push the market price for that particular lens up.
Matt
Shooting the Welsh Wilderness with K-m, KX, MX, ME Super and assorted lenses.
As someone who hired a Nikkor 2000mm lens to photograph an IRA siege in my Fleet Street days, I can seriously say don't bother. The main use for a lens such as this, other than surveillance where just getting an image is the point, would be wild life photography. And do they use lenses like this? No, they don't.
The impossibility of keeping it still, atmospheric haze and limited aperture make it a toy for rich boys and dreamers. On the other hand, if you are one of those, why not?
lemmy
My Home Pages, Cartoons and Videos
The impossibility of keeping it still, atmospheric haze and limited aperture make it a toy for rich boys and dreamers. On the other hand, if you are one of those, why not?
Because I'm not both perhaps?

Mike
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Pentax:K5ii, K7, K100D, DA18-55, DA10-17, DA55-300, DA50-200, F100-300, F50, DA35 AL, 4* M50, 2* M135, Helicoid extension, Tak 300 f4 (& 6 film bodies)
3rd Party: Bigmos (Sigma 150-500mm OS HSM),2* 28mm, 100mm macro, 28-200 zoom, 35-80 zoom, 80-200 zoom, 80-210 zoom, 300mm M42, 600 mirror, 1000-4000 scope, 50mm M42, enlarger lenses, Sony & micro 4/3 cameras with various PK mounts, Zenit E...
Far to many tele-converters, adapters, project parts & extension tubes etc.
.[size=11:].Flickr• WPF• Panoramio
gartmore
Member
Glasgow, Scotland
Big black one
Shame about the ruler not being included
Ken
“We must avoid however, snapping away, shooting quickly and without thought, overloading ourselves with unnecessary images that clutter our memory and diminish the clarity of the whole.” - Henri Cartier-Bresson -