Sigma 50mm f1.4 - new batch = outstanding performer


Hi, I'm newbie here. I found that my new purchased sigma 50mm abit back focus. How much will the calibration cost?

All these photos taken by sigma 50mm 1.4 :)

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Dominictan38 said:
Hi, I'm newbie here. I found that my new purchased sigma 50mm abit back focus. How much will the calibration cost?

All these photos taken by sigma 50mm 1.4 :)

If under warranty it's free :) for the first 2 calibrations that is...
 

Too bad my lens is second hand from taiwan. So no warranty :(
 

Hi, I'm newbie here. I found that my new purchased sigma 50mm abit back focus. How much will the calibration cost?

All these photos taken by sigma 50mm 1.4 :)

6179813104_fdce0710bf_z.jpg


6179278023_02ca9d3ce2_z.jpg


6179828982_5b03e9f6da_z.jpg


6179783452_6d55cb9e88_z.jpg

Looks good, these photos. You sure a calibration is needed or is it because of movement when shooting @ f1.4?
 

Looks good, these photos. You sure a calibration is needed or is it because of movement when shooting @ f1.4?

Haha, actually i found no problem when i'm using it. Just 2 of friends tested and said this lens slightly f focus or b focus.
So Just asking for the price.

Another photo which taken by using Sigma 50 F1.4. really impressive for me. :)

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The photo easy to get blur when i shoot at F1.4-F2.0. May be my skill not good enough. :D
For portrait, is hard for me to get the clear and sharp shoot at F1.4 & F1.8.

Another photo taken by using Sigma 50mm. :)

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Bought this len last Sunday from TK foto. Joining this 50mm F/1.4 user group......
 

The photo easy to get blur when i shoot at F1.4-F2.0. May be my skill not good enough. :D
For portrait, is hard for me to get the clear and sharp shoot at F1.4 & F1.8.

Another photo taken by using Sigma 50mm. :)

6172852616_ca65c5b724_z.jpg

white color tends to be harder to focus.
 

Dominictan38, your shots seems ok mah? got backfocusing meh?
 

Dominictan38, your shots seems ok mah? got backfocusing meh?
lol... i also wondering y my friends said so.
They tried shoot on the paper with word in 45 degree, its not focus on the focus point, run a little bit.
But so far, the lens is perfect for me. :)
 

lol... i also wondering y my friends said so.
They tried shoot on the paper with word in 45 degree, its not focus on the focus point, run a little bit.
But so far, the lens is perfect for me. :)

they used it on your cam or their cam? maybe cos of their cam (probably they did some micro adjustment or u did some micro adjustment but them didn't)?
 

they used it on your cam or their cam? maybe cos of their cam (probably they did some micro adjustment or u did some micro adjustment but them didn't)?

Tested by using my canon 60D. Totally no ideal what is micro adjustment. :S hahaha...
Nvm, may be i will do some test shoot with the chart, then post it here. thanks for the advise. :)
 

Tested by using my canon 60D. Totally no ideal what is micro adjustment. :S hahaha...
Nvm, may be i will do some test shoot with the chart, then post it here. thanks for the advise. :)

Micro adjustment is available in 50D, 7D but not in 60D
 

lol... i also wondering y my friends said so.
They tried shoot on the paper with word in 45 degree, its not focus on the focus point, run a little bit.
But so far, the lens is perfect for me. :)

The only accurate way to test AF accuracy is to use a focus test chart. This is because the actual Focus sensor may not be in the dead center of the af point in your viewfinder. Sometimes there are some off sets. Only with a focus test chart, you remove that possibility.