35mm lux focus shift where to fix?

parameters · 4th March 2009

hi all

35lux images from M8 are very soft. Is that exhibit the character of lux or simply a backfocus problem?

if so where can i send it to check?

thanks for all

ckuang · 4th March 2009

you might want to check the M8 body with other lenses. My M8 focusing was off with every lens and so had to send the body back.

ckuang · 4th March 2009

oh wait, if you are using a pre asph 35mm summilux wide open, it's pretty soft. Which version of summilux are you using? The way to check is to see if there is any point in the photo which is sharp. if the sharp point is in front or behind the subject means focus point is off. If everything soft, then it's probably the lens.

Cactus jACK · 5th March 2009

you can do a simple newspaper test to check for back or front focusing.

but as ckuang pointed out, if it is off, it is not nec the lens, but could be the camera. so check with other lenses and other camera if you can.

4th March 2009	#1
parameters Member Join Date: Nov 2008 Posts: 145	35mm lux focus shift where to fix? hi all 35lux images from M8 are very soft. Is that exhibit the character of lux or simply a backfocus problem? if so where can i send it to check? thanks for all

4th March 2009	#2
ckuang Member Join Date: Aug 2004 Posts: 355	Re: 35mm lux focus shift where to fix? you might want to check the M8 body with other lenses. My M8 focusing was off with every lens and so had to send the body back. __________________ W: www.39eastimages.com B:http://39east.bigfolioblog.com Member of WPN: www.wpn.sg

4th March 2009	#3
ckuang Member Join Date: Aug 2004 Posts: 355	Re: 35mm lux focus shift where to fix? oh wait, if you are using a pre asph 35mm summilux wide open, it's pretty soft. Which version of summilux are you using? The way to check is to see if there is any point in the photo which is sharp. if the sharp point is in front or behind the subject means focus point is off. If everything soft, then it's probably the lens. __________________ W: www.39eastimages.com B:http://39east.bigfolioblog.com Member of WPN: www.wpn.sg

5th March 2009	#4
Cactus jACK Contributor Join Date: Jul 2004 Location: Singapore (Kallang) Posts: 2,084	Re: 35mm lux focus shift where to fix? you can do a simple newspaper test to check for back or front focusing. but as ckuang pointed out, if it is off, it is not nec the lens, but could be the camera. so check with other lenses and other camera if you can.