Post your LensType / LensID discoveries here

[Phil Harvey]

Thanks!  Sigma is really inconsistent about where the "APO" goes in the name.  To be consistent with other Sigma lenses in the Canon list, I will use this name:

    Sigma 180mm f/2.8 EX DG OS HSM APO Macro

It is interesting that this lens already exists in the list with an ID of 183.  But yours has an ID of 255.  Life would be a lot easier if these companies could be more consistent.

- Phil

[Menace]

Phil, thank you a lot, for your fantastic work.

[Menace]

This will appear in ExifTool 9.85 as "Sigma AF 180mm f/4.0 Macro".

Hi Phil,

I just tried 9.85, but it is still shown as "Sigma 24-105mm f/4 DG OS HSM | A". Did I make a mistake?

[Phil Harvey]

Could you send me a sample image so I can take a look?  My email is philharvey66 at gmail.com.  Thanks.

- Phil

[Menace]

Hi Phil, I send you a link,because the RAW-File is to big.

It seems, that Capture One Pro 8 doesn't write the Info of the Lens in the metadata? I send also a jpg, exported from Capture One.

[Phil Harvey]

It will be tuesday before I can download the raw file, but I will post back then with my findings.

- Phil

[Menace]

Hi Phil. Thanks for looking in that problem. 

[Phil Harvey]

I got your sample.  ExifTool 9.85 works as expected for me:

Code Select Expand

> exiftool ~/Desktop/2015-02-12\ -\ XR2A7561.CR2 -exiftoolversion -'*lens*'
ExifTool Version Number         : 9.85
Lens Type                       : Sigma 24-105mm f/4 DG OS HSM | A or Other Sigma Lens
Lens Info                       : 180mm f/0
Lens Model                      : 180mm
Lens Serial Number              : 0000000000
Lens                            : 180.0 mm
Lens ID                         : Sigma 180mm f/2.8 EX DG OS HSM APO Macro
Lens                            : 180.0 mm (35 mm equivalent: 174.7 mm)

It is LensID that you should be looking at.  The LensType is ambiguous, and LensID is a Composite tag that attempts to identify the specific lens model.

- Phil

[Menace]

Hi Phil,

now I see my mistake. Sorry, Phil. I'll write Phase one, that they should export the metadata.

[Beholder3]

"Sigma 300mm F2.8 EX DG APO IF" (the one with screwdrive, no HSM)
for Pentax
shows as "Unknown (3 42)".

I am not really sure about the naming conventions for this glass.

[Phil Harvey]

Thanks.  Sigma is somewhat inconsistent in its naming conventions, specifically where the "APO" goes.  In a majority of lenses it seems to come after the F-number.  Googling for this lens on a Pentax mount (without HSM) yields many hits with APO after the F-number, but no "IF".  The "IF" version seems very rare, however the naming is the same you gave, so I'll use this.

- Phil

[Batty]

Hi Phil, just tried out my new Nikon "AF-S NIKKOR 200-500mm f/5.6E ED VR" lens, and Exiftool displays this for the Lens ID:

Lens ID                         : Unknown (AE 3C 80 A0 3C 3C C9 0E)

[Phil Harvey]

Hi Batty,

Thanks.  This lens should already be recognized by the current version of ExifTool (10.02).

- Phil

[Batty]

Confirmed, thx!

[Mees Dekker]

The lens ID of the Sigma 150-600 sports is 172

I have such a lens, but when I attach the 1.4 convertor to it, it does return some wrong values. See below.

Also : Sports version (I suppose "S")  comes back as "C"

Belichtingstijd   1/49
Brandpuntafstand   840 mm
Lens Type   Canon EF 100-400mm f/4.5-5.6L IS + 1.4x
Max Focal Length   840 mm
Min Focal Length   210 mm
Oriëntatie van de afbeelding   Horizontal (normal)

Objectief   210.0 - 840.0 mm
Lens   Canon EF 100-400mm f/4.5-5.6L IS + 1.4x
Lens ID   181
Lens Serial Number   0000000000
Lensgegevens   210-840mm f/?
Objectief   210-840mm
)
Lens Model   210-840mm
Lens Serial Number   0000000000
Lensgegevens   210-840mm f/0
XMP Toolkit   Image::ExifTool 9.99