K 50mm f1.2

vizjerei · 04-22-2008, 11:38 AM

Anyone has it? How do you feel about this lens? I understand it is one of the fastest lens in Pentax line. Anyone use it with K10D? or just film camera?

I had a hard time searching in the forum about it... any wide open sample will be great~

Thanks

Bowman · 04-22-2008, 05:13 PM

i have a A50/1.2, it's easy to use with K10d because it can use AV fuction. A50/1.2 (not K50/1.2) have one piece of glass --A-GRIN, it the only one lens use GRIN glass in the world.
the K50/1.2 is older than the A50. i have no choice to caompare with the 2 lens. but the K50 and A50 are all easy to be find.

aegisphan · 04-22-2008, 05:25 PM

Interesting info, I've never heard of a GRIN glass. Can you elaborate more on this?

k100d · 04-22-2008, 05:27 PM

good to see more torontonians on the board!

the A50 and K50 1.2 are similar in optics
if you want to purchase a K50 1.2, there should still be one one still at Adorama $349
if you want to buy a new A50 1.2, it's $600 at matsuiya, i've done my research :P ... almost bought it

check out some of these links
LBA: A50mm f1.2 vs FA 50mm 1.4: Pentax SLR Talk Forum: Digital Photography Review
Comparison of Pentax Fast 50s: Pentax SLR Talk Forum: Digital Photography Review
the Normal Lens Shootout Photo Gallery by Sean Carpenter at pbase.com

you can search forums using google, just specify site: pentaxforums.com

Last edited by k100d; 04-22-2008 at 05:44 PM.

**NaClH2O** · 04-22-2008, 05:28 PM

Originally posted by vizjerei

Anyone has it? How do you feel about this lens? I understand it is one of the fastest lens in Pentax line. Anyone use it with K10D? or just film camera?

I had a hard time searching in the forum about it... any wide open sample will be great~

Thanks

One of my favorite lenses. Great bokeh, but the DOF at 1.2 is very thin! Here is a link to some shots, not all are wide open.
https://www.pentaxforums.com/forums/post-your-photos/3052-you-allowed-fall-love-lens.html

NaCl(great low light performance and don't believe those that say it's very soft wide open)H2O

vizjerei · 04-22-2008, 06:08 PM

Bow-man: Are you refering to Axial-graded-index (AGRIN) lens?

K100d: haha I saw it too.. but $600 + shipping is kinda too deep for a 50mm, as I already have a 50mm/1.4; and by turning the Aparture ring myself to save me $300+, I will do it.
I understand that K50/1.2 has 8 blades only where A50/1.2 has 9 tho.

NaCIH2O: Great shoots! so I should bring a tripod for sure if I take picture with 1.2?

Bowman · 04-22-2008, 09:09 PM

about GRIN, pls refor the page:http://www.grintech.de/datasheets/introduction.pdf

if you realy want the lens, i think the A50 is the best choice.

aegisphan · 04-22-2008, 09:19 PM

Well, so basically, it has a more even corner and center performance. Good to know, I've not had any chance to try out my A50 yet. I guess it's time after all.

séamuis · 04-23-2008, 04:00 AM

right behind the A* 85mm 1.4 the A 50mm 1.2 is the lens im lusting after.

**NaClH2O** · 04-23-2008, 04:34 AM

Originally posted by vizjerei

*snip*

I understand that K50/1.2 has 8 blades only where A50/1.2 has 9 tho.

NaCIH2O: Great shoots! so I should bring a tripod for sure if I take picture with 1.2?

Yes the K 1.2 has eight aperture blades. All of those shots were hand held, the only one where I really wanted a 'pod was the shot of the small pink flowers. But I do have steady hands, and the DS + the K 50 1.2 is a relatively light weight combo.

NaCl(I also got a bit lucky on that particular shot)H2O

k100d · 04-23-2008, 05:41 AM

Originally posted by vizjerei

K100d: haha I saw it too.. but $600 + shipping is kinda too deep for a 50mm, as I already have a 50mm/1.4; and by turning the Aparture ring myself to save me $300+, I will do it.

the "A" feature is definitely worth it to get, seeing how iffy the stop-down exposure is

vizjerei · 04-23-2008, 07:04 AM

sigh... I wonder if I can rent it anywhere in Toronto so I can see if it is worth it to buy one... or it is just my LBA... :ugh:

k100d · 04-23-2008, 07:44 AM

Originally posted by vizjerei

sigh... I wonder if I can rent it anywhere in Toronto so I can see if it is worth it to buy one... or it is just my LBA... :ugh:

if you ever find out, let me know too

FotoPete · 04-23-2008, 07:50 AM

Haha I doubt there's even a K50/1.2 or A50/1.2 owner in toronto for that matter, lol.

lithos · 04-23-2008, 08:08 AM

A great lens. Looks awesome on any camera. German girls love the K f1.2 on an ME camera.

(Note: tested on only one fraulein.)

Also this lens shouldn't cost you more than $25 AU...

*legs it like the Dickens*

04-22-2008, 11:38 AM	#1
vizjerei Veteran Member Join Date: May 2007 Location: Toronto Photos: Gallery Posts: 1,418	K 50mm f1.2 Anyone has it? How do you feel about this lens? I understand it is one of the fastest lens in Pentax line. Anyone use it with K10D? or just film camera? I had a hard time searching in the forum about it... any wide open sample will be great~ Thanks

04-22-2008, 05:28 PM	#5
NaClH2O Site Supporter Join Date: Sep 2006 Location: Bronx NY Photos: Gallery \| Albums Posts: 5,631	Not all of these shots are wide open but some are Originally posted by vizjerei Anyone has it? How do you feel about this lens? I understand it is one of the fastest lens in Pentax line. Anyone use it with K10D? or just film camera? I had a hard time searching in the forum about it... any wide open sample will be great~ Thanks One of my favorite lenses. Great bokeh, but the DOF at 1.2 is very thin! Here is a link to some shots, not all are wide open. https://www.pentaxforums.com/forums/post-your-photos/3052-you-allowed-fall-love-lens.html NaCl(great low light performance and don't believe those that say it's very soft wide open)H2O

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04-22-2008, 05:13 PM	#2
Bowman Inactive Account Join Date: Apr 2008 Location: HongKong Posts: 30	i have a A50/1.2, it's easy to use with K10d because it can use AV fuction. A50/1.2 (not K50/1.2) have one piece of glass --A-GRIN, it the only one lens use GRIN glass in the world. the K50/1.2 is older than the A50. i have no choice to caompare with the 2 lens. but the K50 and A50 are all easy to be find.

04-22-2008, 05:25 PM	#3
aegisphan Veteran Member Join Date: Nov 2007 Location: New Mexico Posts: 815	Interesting info, I've never heard of a GRIN glass. Can you elaborate more on this?

04-22-2008, 05:27 PM	#4
k100d Veteran Member Join Date: Feb 2008 Location: Toronto Posts: 3,911	good to see more torontonians on the board! the A50 and K50 1.2 are similar in optics if you want to purchase a K50 1.2, there should still be one one still at Adorama $349 if you want to buy a new A50 1.2, it's $600 at matsuiya, i've done my research :P ... almost bought it check out some of these links LBA: A50mm f1.2 vs FA 50mm 1.4: Pentax SLR Talk Forum: Digital Photography Review Comparison of Pentax Fast 50s: Pentax SLR Talk Forum: Digital Photography Review the Normal Lens Shootout Photo Gallery by Sean Carpenter at pbase.com you can search forums using google, just specify site: pentaxforums.com Last edited by k100d; 04-22-2008 at 05:44 PM.

04-22-2008, 06:08 PM	#6
vizjerei Veteran Member Join Date: May 2007 Location: Toronto Photos: Gallery Posts: 1,418 Original Poster	Bow-man: Are you refering to Axial-graded-index (AGRIN) lens? K100d: haha I saw it too.. but $600 + shipping is kinda too deep for a 50mm, as I already have a 50mm/1.4; and by turning the Aparture ring myself to save me $300+, I will do it. I understand that K50/1.2 has 8 blades only where A50/1.2 has 9 tho. NaCIH2O: Great shoots! so I should bring a tripod for sure if I take picture with 1.2?

04-22-2008, 09:09 PM	#7
Bowman Inactive Account Join Date: Apr 2008 Location: HongKong Posts: 30	about GRIN, pls refor the page:http://www.grintech.de/datasheets/introduction.pdf if you realy want the lens, i think the A50 is the best choice.

04-22-2008, 09:19 PM	#8
aegisphan Veteran Member Join Date: Nov 2007 Location: New Mexico Posts: 815	Well, so basically, it has a more even corner and center performance. Good to know, I've not had any chance to try out my A50 yet. I guess it's time after all.

04-23-2008, 04:00 AM	#9
séamuis Banned Join Date: Oct 2007 Location: Savannah, U.S./Baguio City, P.H. Posts: 5,979	right behind the A* 85mm 1.4 the A 50mm 1.2 is the lens im lusting after.

04-23-2008, 04:34 AM	#10
NaClH2O Site Supporter Join Date: Sep 2006 Location: Bronx NY Photos: Gallery \| Albums Posts: 5,631	Originally posted by vizjerei snip I understand that K50/1.2 has 8 blades only where A50/1.2 has 9 tho. NaCIH2O: Great shoots! so I should bring a tripod for sure if I take picture with 1.2? Yes the K 1.2 has eight aperture blades. All of those shots were hand held, the only one where I really wanted a 'pod was the shot of the small pink flowers. But I do have steady hands, and the DS + the K 50 1.2 is a relatively light weight combo. NaCl(I also got a bit lucky on that particular shot)H2O

04-23-2008, 05:41 AM	#11
k100d Veteran Member Join Date: Feb 2008 Location: Toronto Posts: 3,911	Originally posted by vizjerei K100d: haha I saw it too.. but $600 + shipping is kinda too deep for a 50mm, as I already have a 50mm/1.4; and by turning the Aparture ring myself to save me $300+, I will do it. the "A" feature is definitely worth it to get, seeing how iffy the stop-down exposure is

04-23-2008, 07:04 AM	#12
vizjerei Veteran Member Join Date: May 2007 Location: Toronto Photos: Gallery Posts: 1,418 Original Poster	sigh... I wonder if I can rent it anywhere in Toronto so I can see if it is worth it to buy one... or it is just my LBA... :ugh:

04-23-2008, 07:44 AM	#13
k100d Veteran Member Join Date: Feb 2008 Location: Toronto Posts: 3,911	Originally posted by vizjerei sigh... I wonder if I can rent it anywhere in Toronto so I can see if it is worth it to buy one... or it is just my LBA... :ugh: if you ever find out, let me know too

04-23-2008, 07:50 AM	#14
FotoPete Veteran Member Join Date: Feb 2007 Location: Toronto Photos: Gallery Posts: 1,774	Haha I doubt there's even a K50/1.2 or A50/1.2 owner in toronto for that matter, lol.

04-23-2008, 08:08 AM	#15
lithos Inactive Account Join Date: Oct 2007 Location: Brisbane, QLD, AUS Posts: 3,261	A great lens. Looks awesome on any camera. German girls love the K f1.2 on an ME camera. (Note: tested on only one fraulein.) Also this lens shouldn't cost you more than $25 AU... legs it like the Dickens