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05-22-2012, 06:43 AM   #16
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$250 seems a bit steep for a budget plastic prime, but hey better than nothing I suppose this one was a long time coming. Better late than never I suppose

05-22-2012, 07:55 AM   #17
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QuoteOriginally posted by Jonathan Mac Quote
I won't be swapping my FA 50mm f/1.7 for one of these, especially now that I'm also using film, but Pentax need it in the lineup.

Now they need a cheap wide prime. 18mm f/2.8 (or faster).
You realize you contradict yourself.

Cheap and wide like that is very $$$. Also, extremely big and heavy.
05-22-2012, 09:46 AM   #18
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$250 is steep? What other 50mm options for Pentax are in this price range let alone a high quality prime? You do know the DA* lenses are closer to $1000 right? And pro lenses for any brand are typically $1000-2500!! And yet $250 is steep? I think Pentax has some discontinued P&S cameras perhaps you should consider then or maybe hit some flea markets for some old manual lenses.
05-22-2012, 09:49 AM   #19
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QuoteOriginally posted by pghwarrior23 Quote
$250 is steep? What other 50mm options for Pentax are in this price range let alone a high quality prime? You do know the DA* lenses are closer to $1000 right? And pro lenses for any brand are typically $1000-2500!! And yet $250 is steep? I think Pentax has some discontinued P&S cameras perhaps you should consider then or maybe hit some flea markets for some old manual lenses.
Compared to the Canon EF 50/1.8 it is steep. The Canon retails for around $115.

It falls apart after a year and it has a terrible bokeh, but it's $115!

05-22-2012, 11:13 AM   #20
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QuoteOriginally posted by boriscleto Quote
Compared to the Canon EF 50/1.8 it is steep. The Canon retails for around $115.

It falls apart after a year and it has a terrible bokeh, but it's $115!
Canon can sell crap and get away with it. Pentax can't so it's no wonder it's expensive!
05-22-2012, 11:47 AM   #21
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QuoteOriginally posted by Asahiflex Quote
Canon can sell crap and get away with it. Pentax can't so it's no wonder it's expensive!
But most consumers will never look past the price tag. Almost half of my photo club are Canon users. Almost all of them have the 50/1.8 even if they never use it.
05-22-2012, 01:25 PM   #22
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QuoteOriginally posted by Aristophanes Quote
You realize you contradict yourself.

Cheap and wide like that is very $$$. Also, extremely big and heavy.
But the kit lens is cheap, starts at 18mm and is only half a stop slower. With the simplified optics and only having to cover the APS-C image circle, it MUST be possible to build a DAL 18mm f/2.8 for 50% more than the kit lens costs. Sigma's new digital neo 19mm f/2.8 is cheap, something along those lines.
05-22-2012, 01:40 PM   #23
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QuoteOriginally posted by Jonathan Mac Quote
Sigma's new digital neo 19mm f/2.8 is cheap, something along those lines.
Sigma utilizes short flange distance of mirrorless cameras. SLR version will be MUCH bigger.
It's essential benefit from mirrorless technologies.


Last edited by Emacs; 05-23-2012 at 10:17 AM.
05-22-2012, 01:55 PM   #24
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I don't know why should a wide lens like 18mm also be very bright? Why not f4? Do you need it for bokeh? At 18mm you can hardly speak about background blur. The shutter speed at 18mm can be slow, combined with SR can give you decent results even at 1/15s. Also, here is a modern sensor ISO sensitivity, which gives you quite a lot of light boost. So why f2.8?
05-22-2012, 08:20 PM   #25
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QuoteOriginally posted by jatrax Quote
Assuming it actually is the same as the f/1.7 then the difference could be the aperture blades, the lens coatings (possibly the rear element is also coated), or a change made to the anti-reflection coating of the lens body to help with keeping reflections off the sensor.
Do you mean they'd change the actual aperture because of differences to the coatings, or do you think the f/stop rating is really more representative of the t-stop?
05-22-2012, 08:27 PM   #26
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I have always felt that 50mm on APS-C is a goofy focal length. I assume that this is not FF compatible . . . .
05-22-2012, 08:46 PM   #27
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QuoteOriginally posted by Fontan Quote
I have always felt that 50mm on APS-C is a goofy focal length. I assume that this is not FF compatible . . . .
According to the lens description on BHPhoto, it is.

Pentax smc DA 50mm f/1.8 Lens DA50F1.8 B&H Photo Video

QuoteQuote:
For APS-C & Full-Frame K-Mount Cameras
05-22-2012, 08:59 PM   #28
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QuoteOriginally posted by ewalk Quote
According to the lens description on BHPhoto, it is.

Pentax smc DA 50mm f/1.8 Lens DA50F1.8 B&H Photo Video
Ah, I suppose then this is an erection inducing news for FF wishers. Congrats.
05-23-2012, 05:25 AM   #29
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QuoteOriginally posted by boriscleto Quote
Compared to the Canon EF 50/1.8 it is steep. The Canon retails for around $115.

It falls apart after a year and it has a terrible bokeh, but it's $115!
It's stone age lens. I think they produced more than 1 000 000 such lenses... That's why the price is so low.
05-23-2012, 05:42 AM - 1 Like   #30
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The Canon EF 50 f/1.8 is indeed from ancient times, it is a pre-historic lens. It has paid for itself a long time ago.
The Pentax new 50 f/1.8 is a new construction, new optical design, and Pentax wants to get their development money back. Plus the optical design is likely to be very good, if we judge from the new 35 f/2.4. Optical quality like the Limiteds but in a plastic body.

I believe that the problem is that people just compare focal lengths, aperture and price - and not optical quality. Do you want a 50 just because it is cheap, or do you want one because it is good? If you want a cheap 50 then you have this in the 18-55 kit zoom...
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