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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mittal_a
06-26 10:09 AM
I think it should be ACT 21 which I have filed it like a month back.
Thanks a lot for quick replies
Thanks a lot for quick replies
glus
05-10 09:58 AM
Hello,
You need to say "Yes" when they ask if anyone ever filed immigrant petition for you. I140 is an immigrant petition. The chances of you getting F-1 visa are minimal. This is due to the fact that you had shown immigrant intent, when your employer filed I140 for you. It does not matter if your employer withdrew the I140 or not or how much time lapsed. The problem is that you already showed your immigrant intent, and hence due to the language in INA, it will be VERY VERY difficult to get any type of a non-immigrant visa, unless such a visa carries "dual intent" such as H-1 or L-1.
I hope it is helpful.
Best Regards,
You need to say "Yes" when they ask if anyone ever filed immigrant petition for you. I140 is an immigrant petition. The chances of you getting F-1 visa are minimal. This is due to the fact that you had shown immigrant intent, when your employer filed I140 for you. It does not matter if your employer withdrew the I140 or not or how much time lapsed. The problem is that you already showed your immigrant intent, and hence due to the language in INA, it will be VERY VERY difficult to get any type of a non-immigrant visa, unless such a visa carries "dual intent" such as H-1 or L-1.
I hope it is helpful.
Best Regards,
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sbabunle
11-17 09:26 AM
Way to Go India!!!!
Jai Hinddd!!!!
Jai Hinddd!!!!
more...
sekasi
08-18 08:55 PM
In that case, kinda have to make the ya rly counterpart ;)
roseball
07-28 04:32 PM
Roseball and sumkum,
Thanks for the reply. One more question. What is the validity date of your new AP? Does it start from the date of your current AP expiration date or is it from the date of approval.
My new AP starts from the date my current AP expires.
Thanks for the reply. One more question. What is the validity date of your new AP? Does it start from the date of your current AP expiration date or is it from the date of approval.
My new AP starts from the date my current AP expires.
more...
h1bdude1
03-23 03:53 PM
one more question Plz. Sorry for bugging.
I lost this Expired EAD card during moving and now i only have its Front copy which i am going to submit with my I-765 form.
will it be any problem submitting only front copy of the Previous EAD because they are requesting for both (Front and Back) of the Previous EAD.
thanks
h1bdude1
I think you mean once you are assigned a permanent A# ! It is assigned before a visa number is assigned.
A number series starting with 1 (eg. for OPT) are temporary. Those starting with 9 are permanent.
USCIS has a regular A# consolidation unit as well as a column to check for more than one A# on their internal worksheet for I-485.
Bottom-line: give your OPT A# and they will take care of the rest. This is what I did and worked.
I lost this Expired EAD card during moving and now i only have its Front copy which i am going to submit with my I-765 form.
will it be any problem submitting only front copy of the Previous EAD because they are requesting for both (Front and Back) of the Previous EAD.
thanks
h1bdude1
I think you mean once you are assigned a permanent A# ! It is assigned before a visa number is assigned.
A number series starting with 1 (eg. for OPT) are temporary. Those starting with 9 are permanent.
USCIS has a regular A# consolidation unit as well as a column to check for more than one A# on their internal worksheet for I-485.
Bottom-line: give your OPT A# and they will take care of the rest. This is what I did and worked.
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hur11
01-22 08:48 PM
Thanks you very much. Anyways it going to take atleast a year for these to go get over if at all. And if by any chance if its made current when both are done, wishful thinking but being optimistic is better than nothing.
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titu1972
08-02 02:27 PM
Usually consulting companies put generic designations like software engineer or a programmer analayst in their LC. I think that is what you should look for the classification. This is a gray area.
There is a title called consultant. I have labor and I-140 approved on this title.
There is a title called consultant. I have labor and I-140 approved on this title.
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ns007
03-26 02:08 PM
Thought it would be fun to see the results. Please include ONLY your salary not the household salary. Your salary excluding bonus/perks/benefits etc.
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jsb
10-30 12:13 PM
^^^^^^bump^^^^^
Can anybody tell what does ^^^^bump^^^^ mean. Is it that the message is deleted by someone, or moved elsehwhere?
Can anybody tell what does ^^^^bump^^^^ mean. Is it that the message is deleted by someone, or moved elsehwhere?
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jay75
06-17 03:20 PM
Employer A:
-Currently on their H1 (6th year fag end) and with an ongoing 485 proces 180 days passed.
-Employer A is threatening to withdraw the I 140 if I move out from their company.
Employer B:
-Fortune Client where am currently working as a contractor
-B is filing my H1 and would be offering me to use H1 or AC 21 to port to their company.
I am transferring to company B upon H1 extension approval and then later use AC 21 when ever required.
However, before I use AC 21, if the I 140 is revoked, am I still eligible to use AC 21?
Does revoking I 140 by the employer after I 140 approval has any effect if I dont use AC 21 prior to revoking?
If you have your 140 approved, then if Emp A withdraws may not cause any damage, but if your 140 is not approved and if Emp A withdraws it, certainly cause a big damage.
-Currently on their H1 (6th year fag end) and with an ongoing 485 proces 180 days passed.
-Employer A is threatening to withdraw the I 140 if I move out from their company.
Employer B:
-Fortune Client where am currently working as a contractor
-B is filing my H1 and would be offering me to use H1 or AC 21 to port to their company.
I am transferring to company B upon H1 extension approval and then later use AC 21 when ever required.
However, before I use AC 21, if the I 140 is revoked, am I still eligible to use AC 21?
Does revoking I 140 by the employer after I 140 approval has any effect if I dont use AC 21 prior to revoking?
If you have your 140 approved, then if Emp A withdraws may not cause any damage, but if your 140 is not approved and if Emp A withdraws it, certainly cause a big damage.
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kart2007
10-23 07:27 PM
AFAIK, you will start accruing unlawful status once your 485 denied and you do not have a non-immigrant to status to backup. You should stop working. You will regain the status (i.e. pending AOS) only after the MTR is approved.
If you can post the legal references to support your point, it will really help many IVans.
You are right, what i meant to say is that a MTR turnaround time is usually less than 6 months. And its not that the I-485 keeps getting denied more than once. For one denial, assuming a turn around time of 4-5 months, its still within 180 days of the 'allowed' time to work while out of status.
If you can post the legal references to support your point, it will really help many IVans.
You are right, what i meant to say is that a MTR turnaround time is usually less than 6 months. And its not that the I-485 keeps getting denied more than once. For one denial, assuming a turn around time of 4-5 months, its still within 180 days of the 'allowed' time to work while out of status.
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lskreddy
06-12 12:39 AM
Yes, you can upgrade to anytime and in your case, if you had labor approved and I140 pending until Nov 1st, then you can upgrade to PP, wait for its approval and apply for a 3 year extension.
You can also apply for H1 before and when I140 pps goes through, notify CIS about your I140 approval with a request to grant a 3 year extension instead of 1.
You can also apply for H1 before and when I140 pps goes through, notify CIS about your I140 approval with a request to grant a 3 year extension instead of 1.
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satyasaich
06-26 01:32 PM
EAD Efiling was done on Monday 06/23, but haven't used AC21 till now.
But there is a soft LUD on 485s (both mine and my wife's ) on 06/25.
I don't know exactly what is, but i think it's related to EAD renewal. Because my PD is Nov/2003 EB3 india and there is no way i'm near the end of road for GC
Did you report that you used AC-21 to USCIS? If so, then it might be triggered a LUD in your 485. Nothing to worrry.
But there is a soft LUD on 485s (both mine and my wife's ) on 06/25.
I don't know exactly what is, but i think it's related to EAD renewal. Because my PD is Nov/2003 EB3 india and there is no way i'm near the end of road for GC
Did you report that you used AC-21 to USCIS? If so, then it might be triggered a LUD in your 485. Nothing to worrry.
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upuaut
09-15 03:27 AM
Are you talking about the "rayoflight" effect?
If so, I built a tutorial on replicating it, which is located here.
http://www.kirupa.com/developer/flash5/rayoflight.asp
if it's not that effect, write back and let me know what you're talking about.
If so, I built a tutorial on replicating it, which is located here.
http://www.kirupa.com/developer/flash5/rayoflight.asp
if it's not that effect, write back and let me know what you're talking about.
more...
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zoooom
10-26 04:51 PM
Thank you guys...Its just the lawyer that keep insisting on getting her H4 stamped...I want her to use her AP (and thats what we will do)...I am going to maintain my H1 status BTW.
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chanduv23
09-17 12:46 PM
That is pretty smart. In this country, if you leave those 2-3 year olds by themselves you end up in jail.
Come on Andy - I am looking forward to see you in DC
Come on Andy - I am looking forward to see you in DC
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sys_manus
01-28 09:52 AM
Congratulations...
james_bond_007
04-03 01:57 AM
thank you roseball.. I already booked an infopass appointment for Monday. If the additional review is done by DHS, will contacting the Ombudsman's office help in anyway ? anybody have experience in resolving the "additional review" , please update.
masterji
01-12 12:43 AM
If your application is excessively delayed, you can always enter using a valid AP. Gurus correct me if I am wrong.
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