regards,
Alan Chan
I desperately need advice - I want to buy macro lens
for my MZ-3, both for shooting macro and portraits.
There are two candidates:
Pentax-FA 100mm/2.8 Macro
Sigma 105mm/2.8 EX
I prefer using Pentax original gear whenever possible,
however this time I am hesitating, there are just too much
reasons why to choose Sigma over Pentax:
Weight (g): P=600, S=450.
Although Pentax feels very good (once I held it in hands in shop),
considering using on light body (MZ-3) and whole-day trips,
the light weight Sigma seems better choice.
Handling:
Sigma has much wider focusing ring.
Sigma allows fast switching between MF/AF using focusing ring.
Lens length (mm): P=103, S=95.
Sigma is slightly better - needs less space in bag.
Focal length (mm): P=100, S=105.
Sigma is slightly better, both for shooting animals and portraits.
Price: Sigma is nearly 20 % cheaper.
Design: absolutely not important, however this particular Pentax lens
does not look much "spectacularly".
Did I forgot something important ?
There are some things I know nothing about, so I can't compare them directly
- picture quality (which is the most important)
I usually do 20*30 or 30*40 cm (8*12 or 12*16 inch).
- direction of rotation of focusing ring.
Does Sigma use the correct Pentax style ?
- mechanical construction/quality/durability.
I asked in several shops, and the Sigma was always praised
as top quality (even by some nearby customers).
Should I remain "loyal" to Pentax ? Despite all notes above ?
Help !! And thanks for all your comments/advices !!
Ivan
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