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Cheryle Sytsma
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p.4 #1 · p.4 #1 · Alt Lens FAQ


If I may jump into this thread and be so bold...

1/ In p.2 post #13 jcolwell has a very nice list: may I add that for the Tamron Adaptall CF means Continuous Focusing

2/ Also, the Tamron Adaptall 2 might be mentioned...

3/ Where do I get alt lenses from? Could I request you remove the word "from" ... thank you! This is in post #1

This thread is a really great addition to FM alt lenses... I have happened into 4 MF lenses within the last month, and have been active to learn about and understand what I have. As I have just come upon this thread I will look forward to more information in my little archive...

cheryle




Aug 22, 2011 at 02:42 PM
AhamB
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p.4 #2 · p.4 #2 · Alt Lens FAQ


Something else that I think should be added to the section about adapters is the problem with adapters having a loose fit. This can often be easily fixed, as explained here: http://www.pebbleplace.com/Personal/Contax_db_Adapters_1.html

I think it's invaluable info because some adapters will need adjustment when you buy them, but people not knowing how to do it will just think their adapter is bad.



Aug 22, 2011 at 08:28 PM
jcolwell
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p.4 #3 · p.4 #3 · Alt Lens FAQ


Cheryle Sytsma wrote:
If I may jump into this thread and be so bold...


Hi Cheryle,

Thanks for the comments.

Cheryle Sytsma wrote:
1/ In p.2 post #13 jcolwell has a very nice list: may I add that for the Tamron Adaptall CF means Continuous Focusing


The 'close focus' definition for CF is commonly used for both Vivitar and Voigtlander lenses, although I can't find examples where it's actually written on the lens. According to http://www.adaptall-2.org/'Tamron Lens Nomenclature', the Tamron use of CF is "Continuous Focus". I've modified the definition for CF to be:

"CF crop factor for a digital camera, close focus or continuous focus for a lens"

Cheryle Sytsma wrote:
2/ Also, the Tamron Adaptall 2 might be mentioned...


I'm not sure if this comment is made with respect to my list, where Tamron's Adaptall 2 mount is defined for "A2".

I've updated the pg.2 list with the new definition for CF, as well as including about a dozen new terms, and introducing "=" symbols, to help show where multi-line definitions end and new definitions begin.

Cheers, Jim



Aug 25, 2011 at 01:07 PM
Cheryle Sytsma
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p.4 #4 · p.4 #4 · Alt Lens FAQ


Jim, you are certainly doing a great and time-consuming job...
Thank you so much!

cheryle



Aug 25, 2011 at 05:15 PM
sebboh
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p.4 #5 · p.4 #5 · Alt Lens FAQ


jcolwell wrote:
The 'close focus' definition for CF is commonly used for both Vivitar and Voigtlander lenses, although I can't find examples where it's actually written on the lens.

Cheers, Jim


here is an example of a vivitar lens with 'close focus' written on the lens:





or did you mean you haven't seen an example of CF written on the lens to mean 'close focus'?



Aug 25, 2011 at 05:29 PM
jcolwell
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p.4 #6 · p.4 #6 · Alt Lens FAQ


sebboh wrote:
...or did you mean you haven't seen an example of CF written on the lens to mean 'close focus'?


Yes, that's what I meant.



Aug 25, 2011 at 08:11 PM
AhamB
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p.4 #7 · p.4 #7 · Alt Lens FAQ


Yet another missing item in the FAQ: Exposure deviations with stop down metering. Anyone new to adapting manual lenses is bound to run into this issue, at least for Canon cameras.


Aug 28, 2011 at 04:33 AM
Bifurcator
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p.4 #8 · p.4 #8 · Alt Lens FAQ


Here's some other threads to add - which might be nice to add to the OP:

Rokkor Image Thread (In Three Parts):
Wide/UW: http://www.fredmiranda.com/forum/topic/954103
Normal-ish: http://www.fredmiranda.com/forum/topic/924270
Telephoto: http://www.fredmiranda.com/forum/topic/954105
Or just add one of the links as each thread's OP contains all three links.

Cosina Image Thread: http://www.fredmiranda.com/forum/topic/936376

S0ny/Minolta Image Thread: http://www.fredmiranda.com/forum/topic/1016386

Micro 4/3rds Image Thread: http://www.fredmiranda.com/forum/topic/928678

Tamron Adaptall Image Thread: http://www.fredmiranda.com/forum/topic/933378

Tokina Image Thread: http://www.fredmiranda.com/forum/topic/1026453

Yashica Image Thread: http://www.fredmiranda.com/forum/topic/1012651

Hexanon Image Thread: http://www.fredmiranda.com/forum/topic/1009301



Sep 05, 2011 at 05:34 AM
Bifurcator
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p.4 #9 · p.4 #9 · Alt Lens FAQ


I think this is a nice page if looking up flange registration depths: http://www.markerink.org/WJM/HTML/mounts.htm




Sep 27, 2011 at 05:03 PM
davidearls
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p.4 #10 · p.4 #10 · Alt Lens FAQ


Mike,

Since there are so many Zeiss C/Y users on this forum, how about adding the link to shirozina's excellent thread from 2008 on infinity focus adjustment? Helpful for anyone using old lenses, especially given the large number of adapters of varying thicknesses. Here's the link:

http://www.fredmiranda.com/forum/topic/593894/



Nov 05, 2011 at 07:11 PM
 

Search in Used Dept. 



ontime
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p.4 #11 · p.4 #11 · Alt Lens FAQ


What about converting some of these pages into a wiki and using the FAQ as a front-end into the wiki?

As you add more content to the single FAQ post, it's going to become difficult to read and sift through the content.

You could utilize group editing as well.



Dec 01, 2011 at 09:30 PM
pcvrz22g
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p.4 #12 · p.4 #12 · Alt Lens FAQ


Moved to NEX Section.

Edited on Jan 06, 2012 at 01:25 AM · View previous versions



Jan 04, 2012 at 03:33 PM
AhamB
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p.4 #13 · p.4 #13 · Alt Lens FAQ


@ontime: Great ideas, but who's going to set it all up?

@pcvrz22g: Your post seems out of place here.



Jan 05, 2012 at 04:47 PM
Dustin Gent
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p.4 #14 · p.4 #14 · Alt Lens FAQ


Perhaps I missed this, but I think a list of what lens mounts can fit on which systems. I just switched to Nikon due to my only lens being Nikon mount, and I have no idea what I can fit on Nikon.

I know that OM cannot unless you buy a kit (which I might for some lenses..). M42 mount cannot I just read..
Perhaps I will do some research and put together a list for lazy people like me



May 28, 2012 at 05:05 PM
LightShow
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p.4 #15 · p.4 #15 · Alt Lens FAQ


I just found this method of infinity adjustment for indoors.
http://rick_oleson.tripod.com/index-123.html


EDIT:
I just found a new lens mount ID page.
http://www.kehblog.com/2011/12/lens-mount-guide-part-1.html
http://www.kehblog.com/2011/12/lens-mount-guide-part-2.html
http://www.kehblog.com/2011/12/lens-mount-guide-part-3.html

And I'll include the fairly well known http://rick_oleson.tripod.com/index-99.html


Need help identifying your Leica stuff...
http://www.l-camera-forum.com/leica-wiki.en/index.php/Main_Page#M_Series_Lenses_.26_Camera_Accessories

R lenses:
http://www.l-camera-forum.com/leica-wiki.en/index.php/R_Lenses_x_Focal_Length

M lenses:
http://www.l-camera-forum.com/leica-wiki.en/index.php/M_Lenses_x_Focal_Length



Sep 07, 2012 at 01:31 AM
Alf Beharie
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p.4 #16 · p.4 #16 · Alt Lens FAQ


mpmendenhall wrote:
I noticed this post by AhamB suggesting that we need some alt lens "sticky" posts to answer common questions. That seems like a good idea to me, but since no one else has posted one yet, here is my attempt at a FAQ outline mainly focused on alt lens usage on DSLRs. Please post your comments/criticisms/suggestions below, and I will attempt to edit/revise this post to incorporate them. Each item in this FAQ could be (and often has been) the topic of a long and complex thread; however, for an introductory FAQ, one needs to balance the merits of brevity
...Show more

Actually that's only part of the reason...The Canon EF mount shares the same short and versatile registration distance as the Sigma SA mount but the EF mount is larger in diameter, allowing a greater range of lenses to be used.
For instance, most Canon EF lenses can be converted to SA mount whilst retaining their AA and AF functions (not their IS function though) but the rear element of the Canon EF 85mm f1.2L is actually larger in diameter than the bore diameter of the SA mount, making it impossible to convert it for use on the SA mount.
However, the older FD-L versions can be converted to SA mount as they have smaller rear elements.
In general though, after the Canon EF mount, the SA mount can take a greater range of lenses than Pentax mount SLR's and DSLR's and even more than the second most popular SLR/DSLR mount out there, the Nikon F mount.



Apr 01, 2013 at 03:19 AM
cogitech
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p.4 #17 · p.4 #17 · Alt Lens FAQ


This is a fantastic thread and should be re-stickied.


May 13, 2013 at 09:37 PM
Fred Miranda
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p.4 #18 · p.4 #18 · Alt Lens FAQ


cogitech wrote:
This is a fantastic thread and should be re-stickied.


It was accidentally un-stuck.



May 14, 2013 at 12:27 AM
e6filmuser
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p.4 #19 · p.4 #19 · Alt Lens FAQ


I don't know if this is out of place here but it might be of interest.

Using an m4/3 body permits me to use lenses with a shorter registration distance than I could with any other. For examples, I have been able to explore the performance of a top quality Schneider enlarger lens all the way from infinity to macro. Here is a shot at distance:

http://www.photomacrography.net/forum/viewtopic.php?p=125759#125759

My posts (just started in recent days) in the Macro world forum feature just about any lens other than those made for m4/3. They include Kiron, Leitz and other.

My latest Schneider HM lens has a large image circle and this gives confidence when using it with a tilt adapter:

http://www.fredmiranda.com/forum/topic/1247442

Harold

Edited on May 14, 2014 at 05:52 PM · View previous versions



Oct 22, 2013 at 01:16 PM
mickr7an
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p.4 #20 · p.4 #20 · Alt Lens FAQ


There is a lot of information here in this thread and others (and out there on the web) and I've read pages and pages of it and still don't have the simple info I need. I'm definitely suffering from information overkill and a lot of the lens discussion is way over my head so apologies if I'm asking a redundant question. I'm a pro photographer with a lot of Canon EF mount lenses and looking for a high megapixel camera. I was considering the Nikon D800 but would need new lenses but the Sony A7r seems to be the right answer for me until Canon release a high megapixel camera. I need it for studio work and architecture outdoors so speed in not an issue and I'm very used to manual focus lenses even at wide apertures so no worries there. My problem is I can't find the definitive simple info I need (there may not be one based on what I've read here).

MY QUESTION:
Using an adaptor can I definitely use my Eos EF (not FD) mount lenses with the Sony A7r?

All the reviews say 'Canon' lenses can be used but the only reliable definitive info I could find online (i.e. the tester actually mounted one) was an old Canon FD mount lens. None of the testers actually mounted an EF lens on the A7r so I really don't know if use of the word 'Canon' only refers to the old FD mount.

If it is a lens by lens issue (I only see a Canon 44mm lens mentioned here which I'm not familiar with so I guess it's an old FD mount lens too) I have Canon 17 TSE, Canon 24 TSE, Sigma 35 Art, Canon EF 50 f1.2L, Zeiss 85 Planar and Canon EF 100L IS f2.8 macro. (And the 24 - 70 II zoom but it's the one I'm least likely to use on the A7r if I bought it.) Can I use them with the A7r?

Any link to a review or information about EF mounts would be appreciated, thanks.






Nov 06, 2013 at 05:40 AM
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