dbevis
June 14th, 2005, 09:32 AM
As far as I can tell, extension tubes have straight-through contacts. They do work well with any lens, at least I've tried it with most of my lenses.
The length of extension is going to limit the focal length of lens that you can use. For example. with a 16mm focal length lens, the 12mm extension (smallest I have or have seen) causes the lens to have an 'infinity' focus that's actually behind the front element of the lens. Only useful for taking a picture of the dust on/in your lens! I suspect using them with a fisheye would be futile, not to mention pointless.
But, I've found a small amount of extension, like 12mm, is very handy for long tele lenses, because of the shortening of the infinity focus point. I found it hard to get close to butterflys with 100mm macro, and putting an extension on either a 200mm or 100-400mm let me over come their minimum focus distance, yet stay farther enough away that the subject didn't fly off.
The 'magnification factor' is much less with this arrangement, than with (for example) the 100mm macro. Much less that 1:1 I think. So it's a trade off, like everything else.
The 'macro filter' or diopter lens works exactly like those magnifying 'reading glasses' you see in the drugstore. You can't stack them like tubes so there's one level of adjustment available to you, plus they only fit one size of lens wherease tubes fit any lens with the correct mount. A filter doesn't decrease depth of field as much as an extension tube does, either.
Lastly, extension tubes are easier and faster to put on a take off, and don't give you problems with finger smudges. You can even hang them on a pinky finger between uses (I often switch them on/off the camera while I;m shooting.
The length of extension is going to limit the focal length of lens that you can use. For example. with a 16mm focal length lens, the 12mm extension (smallest I have or have seen) causes the lens to have an 'infinity' focus that's actually behind the front element of the lens. Only useful for taking a picture of the dust on/in your lens! I suspect using them with a fisheye would be futile, not to mention pointless.
But, I've found a small amount of extension, like 12mm, is very handy for long tele lenses, because of the shortening of the infinity focus point. I found it hard to get close to butterflys with 100mm macro, and putting an extension on either a 200mm or 100-400mm let me over come their minimum focus distance, yet stay farther enough away that the subject didn't fly off.
The 'magnification factor' is much less with this arrangement, than with (for example) the 100mm macro. Much less that 1:1 I think. So it's a trade off, like everything else.
The 'macro filter' or diopter lens works exactly like those magnifying 'reading glasses' you see in the drugstore. You can't stack them like tubes so there's one level of adjustment available to you, plus they only fit one size of lens wherease tubes fit any lens with the correct mount. A filter doesn't decrease depth of field as much as an extension tube does, either.
Lastly, extension tubes are easier and faster to put on a take off, and don't give you problems with finger smudges. You can even hang them on a pinky finger between uses (I often switch them on/off the camera while I;m shooting.
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nitkad
04-15 01:17 PM
This tax issue does not seem like part of "All other Green Card Issues" under which it is started.
MightyIndian
11-05 08:47 PM
I think - there will be more people in AF Unit this consulate
As Hyderabad is very popular in those lines.
What is AF unit?
As Hyderabad is very popular in those lines.
What is AF unit?
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newxyz100
07-25 05:27 PM
You can apply for a duplicate with the form I-824.
http://www.uscis.gov/files/form/I-824.pdf
http://www.uscis.gov/files/form/I-824.pdf
more...
number30
04-10 10:40 AM
First of all, thanks very much Prashanthi Reddy for answering questions. Could you help me out with this.
I have I-140 approved with more than 180 days with I-485 pending.
I still have valid H1.
Can someone be with their sponsoring employer on H1 and start business on EAD part time.
Once you start working for any employment othen the H1 sponsored company you will loose your H1 status.
I have I-140 approved with more than 180 days with I-485 pending.
I still have valid H1.
Can someone be with their sponsoring employer on H1 and start business on EAD part time.
Once you start working for any employment othen the H1 sponsored company you will loose your H1 status.
reddysn
06-17 10:46 PM
I dont know about it
But you may want to read this for the procedure for applying waiver for medical issues
http://faq.visapro.com/Immigration-Medical-Exams-FAQ9.asp
All
First of all, sorry to open a new thread for my problem, but didn't find a related thread.
I was tested positive for genetal herpes 6months ago, but after that i didn't have any outbreaks. Now i have to go for medicals for my I485 next week.
Iam very much worried if it will effect my chances of getting GC.
Should i let the civil surgeon know iam positive for herpes and show my medical reports before he does the blood work, or should i wait till he finishes my blood work? I have read that i can apply for a waiver even if im tested positive for herpes, is it true? If so, can any body please tell me what is the procedure? Do i need to do it when we are filing for 485, or is it a separate process?
Please guide me.
Thanks in advance.
But you may want to read this for the procedure for applying waiver for medical issues
http://faq.visapro.com/Immigration-Medical-Exams-FAQ9.asp
All
First of all, sorry to open a new thread for my problem, but didn't find a related thread.
I was tested positive for genetal herpes 6months ago, but after that i didn't have any outbreaks. Now i have to go for medicals for my I485 next week.
Iam very much worried if it will effect my chances of getting GC.
Should i let the civil surgeon know iam positive for herpes and show my medical reports before he does the blood work, or should i wait till he finishes my blood work? I have read that i can apply for a waiver even if im tested positive for herpes, is it true? If so, can any body please tell me what is the procedure? Do i need to do it when we are filing for 485, or is it a separate process?
Please guide me.
Thanks in advance.
more...
cmphr
05-20 06:20 PM
Missed due to delay in Atlanta PERM processing center.
PD: June 2007
I-140 - Approved (Aug '08)
I-485 - Waiting...
PD: June 2007
I-140 - Approved (Aug '08)
I-485 - Waiting...
2010 bizarre-facts
ramana_akp
12-18 08:37 AM
thanks again for the feedback.
I will check if the address of my attorney is correct ...meanwhile can anybody please tell me about the below question?
Does any of you know whether my dependents need to sign the Appeal/motion to reopen or my attorney can file on their behalf??
thanks.
I will check if the address of my attorney is correct ...meanwhile can anybody please tell me about the below question?
Does any of you know whether my dependents need to sign the Appeal/motion to reopen or my attorney can file on their behalf??
thanks.
more...
IN2US
03-05 06:37 PM
did anybody successfully accomplished revoking existing G-28 by company's attorney and self represented the pending I-485?? if so can you please post the details on letter format, whom to address the letter etc...
this information would be helpful for many, because most of us here already filed I-485 during June/July and are eligible for using AC21.
this information would be helpful for many, because most of us here already filed I-485 during June/July and are eligible for using AC21.
hair Tattoo facts:
LostInGCProcess
09-20 12:13 AM
Look at this guys..Spain sending the Immigrants back to Home country because they dont want to pay the unemploment benefits in bad economy..
http://www.msnbc.msn.com/id/26792948/
I like this plan...lumpsum amount and a ticket to your home country, and can get back after 3 years...wow! its a good plan. :D
http://www.msnbc.msn.com/id/26792948/
I like this plan...lumpsum amount and a ticket to your home country, and can get back after 3 years...wow! its a good plan. :D
more...
andycool
07-15 05:24 PM
hello ,
I filed a address change on line , 10 days back no LUD on any of my forms
EAD, 131 and I 485 , i know that USCIS should send a mail conforming the
same How long will it take to get this mail
thanks
I filed a address change on line , 10 days back no LUD on any of my forms
EAD, 131 and I 485 , i know that USCIS should send a mail conforming the
same How long will it take to get this mail
thanks
hot Inside Lip Tattoo
ata1234
07-13 09:02 PM
Done!
more...
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Dhundhun
08-06 07:32 PM
Dhundhun
I've seen your posts since long and just noticed that we have the same RD/ND @ NSC.
RD: 08/02/2007, ND: 09/17/2007 @NSC
Have you seen any LUD's recently?
No, last LUD was in Dec. It does not matter, because in between LUDs are not happening. Directly people are getting a HARD LUD for GC approval.
I've seen your posts since long and just noticed that we have the same RD/ND @ NSC.
RD: 08/02/2007, ND: 09/17/2007 @NSC
Have you seen any LUD's recently?
No, last LUD was in Dec. It does not matter, because in between LUDs are not happening. Directly people are getting a HARD LUD for GC approval.
tattoo Posted by admin in Lip Tattoos
am4gc
09-27 12:13 PM
I took kids to FP office in ohio. They will call you separately, you can take care of the kid.
more...
pictures tattooed on his upper lip.
skarthy
07-21 09:56 AM
Some of my friends who applied a week after me have got it.
dresses Horse teeth and tattooed inner
nirupama.reddy90
01-15 10:54 PM
Hi,
I got laid off in dec-08, my H1B visa got extended till 2011, but stamp in passport was expired sept-30th. I got my W2 good for last year and have got pay stubs till dec month. Now i am in need of visiting India, I have to get my stamp renewed in India.
As I am on job at present, I can not produce any client letter at consulate in case if they ask.
Will there be any issues which I may come across, please help me if you have any experiences.
thanks in advance.
Niru
I got laid off in dec-08, my H1B visa got extended till 2011, but stamp in passport was expired sept-30th. I got my W2 good for last year and have got pay stubs till dec month. Now i am in need of visiting India, I have to get my stamp renewed in India.
As I am on job at present, I can not produce any client letter at consulate in case if they ask.
Will there be any issues which I may come across, please help me if you have any experiences.
thanks in advance.
Niru
more...
makeup Inner Lip Tattoo Swelling
gcdreamer05
01-21 02:17 PM
What an irony, these guys will not let us file nor to withdraw, :mad:
girlfriend The Most Horrible Lips Tattoos
mallu
02-10 05:25 PM
India EB with PD 1999 - How many pending ?
India EB with PD 2000 - How many pending ?
India EB with PD 2001- How many pending ?
India EB with PD 2002- How many pending ?
......
For USCIS it might be just the tap of a button to tell the numbers. All computerized , right ?
India EB with PD 2000 - How many pending ?
India EB with PD 2001- How many pending ?
India EB with PD 2002- How many pending ?
......
For USCIS it might be just the tap of a button to tell the numbers. All computerized , right ?
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pmamp
02-22 11:23 AM
My wife is completing 6 years on H1 visa in Sept 07. She is planning to join school which will isssue her I-20. The school starts in Aug07 and she need to go to India for 2 weeks in Nov 07.
Can she get H4 stamped from canada on my H1B, so that she do not face F1 rejection in india?
Thanks
Can she get H4 stamped from canada on my H1B, so that she do not face F1 rejection in india?
Thanks
walking_dude
11-21 12:04 PM
Nooooooooo. That Turkey was "Amnestied". Some Anti-immigrant will be roasting it soon :)
Bush just pardoned a Turkey - that Turkey could be a GC Holder very fast !!;) - I understand that it is headed to Baltimore - can the Balitmore chapter use it as a mascot ? !!!
Bush just pardoned a Turkey - that Turkey could be a GC Holder very fast !!;) - I understand that it is headed to Baltimore - can the Balitmore chapter use it as a mascot ? !!!
jatinr
09-23 04:15 PM
i too remember reading postmark doesnt matter it should be received by 17th
I agree,it was clarified in immigration-law that the application should be received by Aug 17th and does not matter when it was sent.
.
I agree,it was clarified in immigration-law that the application should be received by Aug 17th and does not matter when it was sent.
.