I have the Sigma 50mm f2.8 EX.  It is an excellent lens - very sharp, very good contrast and color rendition.  I bought mine used from KEH for $160 - far less than the FA 50 f2.8 macro (even used.)

Personally, I'd go for a fast 50mm over a macro if it was my only 50mm prime.  The ability to shoot in low light and selectively focus that a fast lens gives outweighs the macro capability, especially when you can get the macro by adding an inexpensive extension tube.  Just my 2 cents.

- MCC

At 06:05 AM 5/31/01 -0700, you wrote:
I have 4 lens to go with my ZX-5n:

- Pentax A 28mm f2.8 (which I may sell?)
- Pentax FA 28-80mm f3.5-5.6
- Pentax FA 80-320mm f4.5-5.6
- Vivitar Series 1 AF 19-35mm f3.5-4.5

I'd like to add a lens that can support macro photography and have found the following potential options in my price range:

- Pentax FA Macro 50mm f2.8
- Sigma Macro 50mm f2.8 EX AF

The minimum focus distance for the Pentax is 19.5cm/7.6 inches; the Sigma is 18.8cm/7.4 inches.

My questions to the group are:

1. Are there any other similar lenses I should consider?

2. Does anyone have either of these particular lens?  If so, what do you think of it?

3. The Sigma lens is about $120/US less than the Pentax.  Is there an advantage of the Pentax over the Sigma that isn't readily apparent?

4. Would it be smarter - it is cheaper - to buy the Pentax FA 50mm f1.4?  Minimum focus on this lens is 45cm/1.5 feet.  Could I use the faster lens for minimal macro work (flowers, etc.) with close-up filter(s)? What would be the draw backs of this approach?

I appreciate any and all assistance!

Ed Dombek

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Mark Cassino
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