Pentax or Sigma 50mm 1.4 ?


#1
Which lens would you buy ? Thinking of getting a fast prime lens ;) but do not know which is better and their price:eek: heard the sigma is not as sharp as the pentax one ? 50mm may also be abit too zoomed in for me any other suggestions like a fast 28mm-50mm around $400-$600 ? TIA
 

kengoh

Senior Member
Jan 23, 2004
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#2
I bought the Pentax 50/F1.4 for $500.
Can get cheaper like $490 (Manly) but no stock at that time.
 

aaron80

Senior Member
Mar 29, 2006
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#4
The Sigma 50mm F1.4 is quite abit more expensive and its also much bigger and heavier than the Pentax 50mm.. I will go for the Pentax because its cheaper and smaller.
 

#5
Both lenses have AF right? So the sigma is more clearer then the pentax or vice versa ?? lots of mixed views:sweat: any1 know the price of the sigma and pentax 55mm 1.4 ?
 

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melTS

New Member
Jun 13, 2009
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#7
i was thinking about getting pentax one but is still kinda exxx around $493 when i went to slr revo to ask heard u all guys in the pass got it @ around 350plus in the pass :(
how about the sigma one is it cheaper?
yeah is the pentax 50mm f1.7 better than the f1.4 one??
tia
 

felixcat8888

Senior Member
May 8, 2005
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#8
i was thinking about getting pentax one but is still kinda exxx around $493 when i went to slr revo to ask heard u all guys in the pass got it @ around 350plus in the pass :(
how about the sigma one is it cheaper?
yeah is the pentax 50mm f1.7 better than the f1.4 one??
tia
That was before the increase in price. Sigma is more ex than the pentax one.

FA 1.7 no more. Only FA1.4
 

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melTS

New Member
Jun 13, 2009
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#9
That was before the increase in price. Sigma is more ex than the pentax one.

FA 1.7 no more. Only FA1.5
ohhh so sigma now still more ex than pentax one right???
FA1.5?? never heard of it before??:dunno:
 

Jan 16, 2009
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#10
You should probably call up the shops to enquire about prices for the Sigma 50mm if you interested in that... I doubt anyone here knows since.. I've never heard of any Pentaxian with that lens. I don't even think Sigma produce this lens for Pentax mount anymore. Tin Cheung lists the lens for Canon Sony and Nikon but not Pentax, priced at SG$600, I'd expect it would be ~$750 locally.
 

Reportage

Senior Member
Nov 24, 2008
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#11
Which lens would you buy ? Thinking of getting a fast prime lens ;) but do not know which is better and their price:eek: heard the sigma is not as sharp as the pentax one ? 50mm may also be abit too zoomed in for me any other suggestions like a fast 28mm-50mm around $400-$600 ? TIA
depends if you will use the 50mm extensively or will it be a white elephant.

for me, i would find the 35mm F/2 or 28mm F/2.8 more useful in my line.
 

felixcat8888

Senior Member
May 8, 2005
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#13
You should probably call up the shops to enquire about prices for the Sigma 50mm if you interested in that... I doubt anyone here knows since.. I've never heard of any Pentaxian with that lens. I don't even think Sigma produce this lens for Pentax mount anymore. Tin Cheung lists the lens for Canon Sony and Nikon but not Pentax, priced at SG$600, I'd expect it would be ~$750 locally.
Last i asked in Nov 09 was $800 plus;p
 

Gengh

New Member
May 6, 2007
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#14
You should probably call up the shops to enquire about prices for the Sigma 50mm if you interested in that... I doubt anyone here knows since.. I've never heard of any Pentaxian with that lens. I don't even think Sigma produce this lens for Pentax mount anymore. Tin Cheung lists the lens for Canon Sony and Nikon but not Pentax, priced at SG$600, I'd expect it would be ~$750 locally.
Have lah, Adorama and B&H both still selling, and Sigma website still states it's available for Pentax mount.

I think there's at least one local Pentaxian using the Sigma 50mm: http://www.clubsnap.com/forums/showthread.php?t=635049
 

banana0ne

New Member
Oct 29, 2008
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#16
FA 50 f1.4 is soft open wide. but stopped down, it's awfully sharp.

Dunno about DA 40 but other says its sharp wide open. Please correct me if I'm Wrong.
 

pinholecam

Moderator
Staff member
Jul 23, 2007
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#17
My question remains .. do they both have auto focus? also how about the DA 40mm F2.8 limited? about $500 right ? isit better than the FA F1.4 ?
Both are AF. You can also go to their respective websites to have a look at the details.

Don't think anyone can answer the question as to what lens is better. It all depends on individual needs and preference. What do you need it for? How fast is considered fast? Does it need to be small/light? Budget? Sharpness over all other considerations (eg. Bokeh; color bias )? Focal length needed? Used for?
All these play a part to your considerations.
You may want to go through the questions to have a better understanding to your needs.
 

#19
Ok so what I really want is a fast lens that has a sharp centre focus when wide open and preferably around $500 so it's either the fa50mm or da40mm which are around the same price right ? Which one is sharper wide open ?
 

Jan 16, 2009
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#20
I don't see how it can be fair to compare which is sharper wide open when they both have different max aperture size.
 

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