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bdery · 03-29-2009, 12:04 PM

One of the main advantages of primes, to me at least, is faster apertures for a given price point. I carry my SMC-A 50 f1,4 all the time only for the speed it gives me.

It seems pretty difficult to find a fast wide lens, however. Why are those so uncommon?It seems something like a 20-24 mm f2 lens makes much sense. Or is it just me?

I know there's a 15 mm f4, but that's a bit too wide (and I have the Sigma 17-70, at f2,8 it's not that bad).

Any thoughts?

axl · 03-29-2009, 12:07 PM

there is FA20/2.8
long time out of production and stop slower, but I think that's as close as you'll get

BR

RT1 · 03-29-2009, 12:22 PM

There's always the Sigma 20mm 1.8.

m8o · 03-29-2009, 01:33 PM

Sigma 24mm f/1.8 is a hot seller on eBay. I want to get the 28mm f/1.8 Sigma but keep getting outbid.

séamuis · 03-29-2009, 01:40 PM

Pentax has never made a 20mm f2 only 2,8's the closet you will get with AF is the FA* 24/2 AL [IF] or the FA 20/2.8

egordon99 · 03-30-2009, 06:39 AM

If you want W-I-D-E and fast, Canon 24mm f/1.4L on a full-frame body....

But the Sigma 20mm f/1.8 should still work nicely for you

octavmandru · 03-30-2009, 08:15 AM

I own Pentax 28mm -K, f2.

No A, but I can live with it..
I carry it everywhere.

wavecurrent · 03-31-2009, 01:11 PM

You could always get a Leica M8.2 together with the new Summilux 21mm F1.4 lens

That should be fast and wide enough!?

séamuis · 03-31-2009, 01:17 PM

Originally posted by wavecurrent

You could always get a Leica M8.2 together with the new Summilux 21mm F1.4 lens

That should be fast and wide enough!?

and ridiculously expensive enough.

ILoveVerdi · 03-31-2009, 01:26 PM

From my perspective this is the biggest gap in the lens line-up for Pentax.

I love my DA 21 but I wouldn't mind if it were bigger if I could get down to F2 with it.

Gooshin · 03-31-2009, 03:53 PM

Originally posted by ILoveVerdi

From my perspective this is the biggest gap in the lens line-up for Pentax.

I love my DA 21 but I wouldn't mind if it were bigger if I could get down to F2 with it.

pentax's philosophy has always been compactness at the cost of speed.

even when they had the Super Takumars, these things are tiny.

however they make a few exceptions, the OLD SMC 15mm f3.5 (which covered a full image circle), and the now DA 14 F2.8

axl · 04-01-2009, 06:56 AM

I have to agree here.
It's quite bad that the only (I don't count zooms) 20ish lens in current Pentax line up can only do f3.2.
Couple it with FA*24 unavailability/price and not the best reputation. And unavailabilty of FA20/2.8 and it's quite depressing. I really hope they will do DA24/2-2.8 as replacement for FA35/2 for their APS-C system...

BR

Originally posted by ILoveVerdi

From my perspective this is the biggest gap in the lens line-up for Pentax.

I love my DA 21 but I wouldn't mind if it were bigger if I could get down to F2 with it.

03-29-2009, 12:04 PM	#1
bdery Pentaxian Join Date: Mar 2008 Location: Quebec city, Canada Photos: Gallery Posts: 9,363	20-ish mm? f2? (dreaming) AF? Does it exist? One of the main advantages of primes, to me at least, is faster apertures for a given price point. I carry my SMC-A 50 f1,4 all the time only for the speed it gives me. It seems pretty difficult to find a fast wide lens, however. Why are those so uncommon?It seems something like a 20-24 mm f2 lens makes much sense. Or is it just me? I know there's a 15 mm f4, but that's a bit too wide (and I have the Sigma 17-70, at f2,8 it's not that bad). Any thoughts?

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03-29-2009, 12:07 PM	#2
axl Veteran Member Join Date: Mar 2007 Location: Nove Zamky, Slovakia Photos: Gallery \| Albums Posts: 7,183	there is FA20/2.8 long time out of production and stop slower, but I think that's as close as you'll get BR

03-29-2009, 12:22 PM	#3
RT1 Forum Member Join Date: Sep 2008 Location: Kansas City Photos: Gallery Posts: 85	There's always the Sigma 20mm 1.8.

03-29-2009, 01:33 PM	#4
m8o Veteran Member Join Date: Jul 2007 Location: 40°-55'-44" N / 73°-24'-07" W [on LI] Photos: Gallery \| Albums Posts: 3,092	Sigma 24mm f/1.8 is a hot seller on eBay. I want to get the 28mm f/1.8 Sigma but keep getting outbid.

03-29-2009, 01:40 PM	#5
séamuis Banned Join Date: Oct 2007 Location: Savannah, U.S./Baguio City, P.H. Posts: 5,979	Pentax has never made a 20mm f2 only 2,8's the closet you will get with AF is the FA* 24/2 AL [IF] or the FA 20/2.8

03-30-2009, 06:39 AM	#6
egordon99 Inactive Account Join Date: Dec 2006 Location: Outside of Philly Posts: 1,561	If you want W-I-D-E and fast, Canon 24mm f/1.4L on a full-frame body.... But the Sigma 20mm f/1.8 should still work nicely for you

03-30-2009, 08:15 AM	#7
octavmandru Veteran Member Join Date: Jan 2009 Location: somewhere around Posts: 615	I own Pentax 28mm -K, f2. No A, but I can live with it.. I carry it everywhere.

03-31-2009, 01:11 PM	#8
wavecurrent Senior Member Join Date: Jul 2007 Posts: 147	You could always get a Leica M8.2 together with the new Summilux 21mm F1.4 lens That should be fast and wide enough!?

03-31-2009, 01:17 PM	#9
séamuis Banned Join Date: Oct 2007 Location: Savannah, U.S./Baguio City, P.H. Posts: 5,979	Originally posted by wavecurrent You could always get a Leica M8.2 together with the new Summilux 21mm F1.4 lens That should be fast and wide enough!? and ridiculously expensive enough.

03-31-2009, 01:26 PM	#10
ILoveVerdi Senior Member Join Date: Dec 2008 Location: Grand Rapids, MI. USA. Earth. Posts: 139	From my perspective this is the biggest gap in the lens line-up for Pentax. I love my DA 21 but I wouldn't mind if it were bigger if I could get down to F2 with it.

03-31-2009, 03:53 PM	#11
Gooshin Veteran Member Join Date: Sep 2007 Location: Toronto, the one in Canada. Posts: 5,610	Originally posted by ILoveVerdi From my perspective this is the biggest gap in the lens line-up for Pentax. I love my DA 21 but I wouldn't mind if it were bigger if I could get down to F2 with it. pentax's philosophy has always been compactness at the cost of speed. even when they had the Super Takumars, these things are tiny. however they make a few exceptions, the OLD SMC 15mm f3.5 (which covered a full image circle), and the now DA 14 F2.8

04-01-2009, 06:56 AM	#12
axl Veteran Member Join Date: Mar 2007 Location: Nove Zamky, Slovakia Photos: Gallery \| Albums Posts: 7,183	I have to agree here. It's quite bad that the only (I don't count zooms) 20ish lens in current Pentax line up can only do f3.2. Couple it with FA*24 unavailability/price and not the best reputation. And unavailabilty of FA20/2.8 and it's quite depressing. I really hope they will do DA24/2-2.8 as replacement for FA35/2 for their APS-C system... BR Originally posted by ILoveVerdi From my perspective this is the biggest gap in the lens line-up for Pentax. I love my DA 21 but I wouldn't mind if it were bigger if I could get down to F2 with it.

20-ish mm? f2? (dreaming) AF? Does it exist?

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