wide open
in f/2.8
in f/2.8
I will have a difficult time in deciding which 1:1 macro lens to trim among this Tamron 90mm f/2.8 1:1 Macro non-Di and that with Sigma 105mm f/2.8 1:1 Ex DG Macro. Both have AF and I find them both very capable in helping me to learn close up photos on flowers and bugs. They are easier to use when compared to Lester A Dine 105mm f/2.8 1:1 Dental Macro. I still find it a great challenge to get close to true 1:1 ratio without the use of flash and tripod. I can only manage to do hand-holding around 1:2 ratio.
Impressions & Notes:
- This macro is easiest to use on flowers and product shots
- Wide open aperture in f/2.8 is quite good. I don't see vignetting in wide open aperture
- AF is reasonable but I still find it sluggish with loud noise in obtaining focus on close up.
- Build is not as good as Sigma but this macro can serve well for both close up and portraits
- Lens hood is definitely better than the Sigma as the hood can be mounted in reverse order.
- Filter size is 55mm.
- It is lighter than the Sigma
- The Tamron will meet all my needs on flowers but I think the Sigma will be better suited for bugs.
- In terms of versatility, I prefer the Tamron over Sigma.
- In terms of better macro on bugs, I will pick the Sigma.
- In terms of focal length, my 77mm limited prime is too close to the 90mm but the Tamron can double up for dual purpose. And I like portrait as much as I like macro. I am newbie in all areas especially on macro photos.
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