Question 1

I have never owned a SLR before.Please tell me what this lens would be used for vs the pentax DA 50mm f1.8 - would u rec 1 over the other or both? My main goals will be to shoot family photos (3 kids) and my kids sporting events. - Thanks in advance!

Accepted Answer

I bought the 35mm because i need to take pics closer than 50mm. But if you think you will have space between the camera and the object, buy the 50mm. The DA 50mm is better (f1.8) and cheaper because the 50mm lens are simpler than the rest lens. To take a portrait of 4 people (middle plane) you may need at least 3 metros with 35mm (relative close). By the way, if you want to take pics in sports, i think you may need more range, at least 50mm - 200 mm.I so happy with my DA 35mm, is a nice lens...Maybe this can help: http://www.pentaxforums.com/lensreviews/SMC-Pentax-DA-L-35mm-F2.4-AL.htmlhttp://www.pentaxforums.com/lensreviews/smc-pentax-da-50mm-f1.8.htmlBye..

Question 2

Aside from all the technological goodies what is  the difference between this lens and the 35mm f2.8 Macro ? Is the Macro optically better ?

Accepted Answer

The Macro is better optically and sharper at f2.8.  The bokeh might be softer at 2.4 but at a cost of sharpness especially at the corners.  The macro 2.8 has quickshift and is metal but larger and heavier and of course much more expensive with the huge added versatility of macro.  If you want a macro at this short length and a sharp lens this is the ideal all in one solution.  Otherwise, there are longer lengths for macro that are to many more useful and faster as sharp and w/ better bokeh 35mm lenses such as the Sigma 35 DG HSM 1.4.  I don't get it only because I have a Tamron 90mm macro AND the sigma 35 for the best of both worlds at twice the cost though =/

Question 3

How is this lens for night sky photography?

Accepted Answer

If you're asking about photographing the stars, then (in my opinion) it doesn't have enough magnification.  It's a "normal" lens, not a telephoto which is typically used for that.  If you're asking if it's good in low light, then the answer is yes, sort of.  For the price it's great.  It's sharp wide open (at f2.4).  Some faster lenses that go down to f1.4 aren't sharp at that aperture, so they end up being usable only at f2.4 to f2.8.  Dollar for dollar this is a very good lens.

Question 4

Is there a DA 24mm prime?

Accepted Answer

I've never heard of it. But there is a 21 mm f/3.2 DA prime.

Real Angle Of View	44 Degrees
Maximum Aperture	2.4
Minimum Aperture	22
Image stabilization	Digital
Compatible Camera Models	Pentax ist DS, Pentax ist D, Samsung GX-1S, Pentax *ist DL, Pentax K110D, Samsung GX-1L, Pentax K100D
Lens Mount	Pentax K
Minimum Focal Length	35 Millimeters
Lens Design	Prime
Focus Type	Screw drive from camera
Lens Fixed Focal Length	35 Millimeters
Lens Coating Description	Super Protect Coating
Focal Length Description	35 mm
Lens	Standard
Compatible Camera Mount	Pentax KAF
Maximum Focal Length	35 Millimeters

Pentax smc DA 35mm f/2.4 AL

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