Large vs small auto focus box size on X100S

Started Mar 31, 2013 | Questions
ccarrier Senior Member • Posts: 1,014
Large vs small auto focus box size on X100S

Hi,

just got my X100s today.  I've been playing with it to get use to it.

I noticed that you can change the auto focus box size as explained in the user manual.  However, the manual does not explain what are the advantages of chosing a small size or a big size.  Anyone can help me ?

Thank you!

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Claude Carrier

 ccarrier's gear list:ccarrier's gear list
Fujifilm FinePix 2600 Zoom Fujifilm FinePix F31fd Fujifilm X100S Nikon D300S Nikon D750 +7 more
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Fujifilm X100S
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J Yohan Regular Member • Posts: 139
Re: Large vs small auto focus box size on X100S

ccarrier wrote:

Hi,

just got my X100s today.  I've been playing with it to get use to it.

I noticed that you can change the auto focus box size as explained in the user manual.  However, the manual does not explain what are the advantages of chosing a small size or a big size.  Anyone can help me ?

Thank you!

-- hide signature --

Claude Carrier

A smaller AF box will allow you to be more precise with the focus. A bigger AF box may not be as precise but will lock focus faster in most cases.

 J Yohan's gear list:J Yohan's gear list
Fujifilm X100T Carl Zeiss Planar T* 2/50 ZM
Sutto Contributing Member • Posts: 504
Re: Large vs small auto focus box size on X100S

Yea, but at least for manual focus it is a moot point.  It seems to be stuck on the large one and I can't make it smaller.  I don't know why we can't make is small as with autofocus 's'.

Sutto

philipsuttonphotography.com

OP ccarrier Senior Member • Posts: 1,014
Re: Large vs small auto focus box size on X100S

I see.

Thank you!

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Claude Carrier

 ccarrier's gear list:ccarrier's gear list
Fujifilm FinePix 2600 Zoom Fujifilm FinePix F31fd Fujifilm X100S Nikon D300S Nikon D750 +7 more
Albert Valentino Senior Member • Posts: 5,875
Re: Large vs small auto focus box size on X100S

If it is like my XE1 then smaller focus box is better in low/poor light while bigger is better in good light.

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Olympus E-M1 Olympus M.Zuiko Digital ED 9-18mm F4.0-5.6 Tamron SP AF 90mm F/2.8 Di Macro Olympus M.Zuiko Digital ED 40-150mm 1:4-5.6 R Olympus M.Zuiko Digital ED 60mm 1:2.8 Macro +10 more
Jack Fung New Member • Posts: 1
Re: Large vs small auto focus box size on X100S

Changing the focus box can help you to focus different area. Use smaller focus box if you want to focus on that particular object only. Use the bigger focus box if you want to focus on bigger or more objects. For example, you want to use small focus box to cover the face of the model when shooting portrait; and use bigger focus box when shooting group picture. Because you want all your buddies can be focused in the pictures.

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