![[ o ] bird + bird studio](http://images.squarespace-cdn.com/content/v1/5fd126fd0ef3727f25d2af4c/1608057585746-JYMU8F2HPUVT6BF4XSZT/birdbirdLOGO.png?format=1500w)
Canon DSLR Lens - 70-200mm f/2.8 USM
Lens Hood
Lens Caps
Serial Number: 192986
[ REPAIRS ]
3/6/23
Infinity adjustment was off slightly. The mount was replaced and the adjustment was carried out. Focus was functioning according to specifications. As a precaution, internal collars were replaced to insure good focus. Mechanical adjustments were carried out and both units were calibrated together to Canon factory specifications.
MOUNT, LENS: CY1-2428-000-240
COLLAR, ECCENTRIC: YB2-2688-000-400
--
6/30/21
Lens replaced.
MOUNT, LENS, CY1-2428-000-220
--
11/14/17
Mount, 1st group lens, zoom unit, 3rd group lense, back cover, USM, front ring replaced.
MOUNT, LENS, CY1-2428-000-250
1ST GROUP LENS ASSEMBLY, CY1-2563-000
ZOOM UNIT, CY1-2916-000
LENS ASSEMBLY 3RD GROUP, CY1-2970-000
COLLAR, YA2-2062-000-399, QTY 4
COLLAR(X6) COP (SEE AL-997), YA2-2063-000-399, QTY 6
COVER, BACK (SNAP TYPE), YB2-1965-000
COLLAR, ECCENTRIC, YB2-2688-000-399, QTY 2
FOCUSING ASSEMBLY, USM, YG2-0212-009
FRONT RING UNIT, YG9-0363-000
--
10/16/08
Replaced focusing assembly and lens mount part. Checked all, adjusted center/tilt/focus, cleaned to factory specs.
Lens Hood
Lens Caps
Serial Number: 192986
[ REPAIRS ]
3/6/23
Infinity adjustment was off slightly. The mount was replaced and the adjustment was carried out. Focus was functioning according to specifications. As a precaution, internal collars were replaced to insure good focus. Mechanical adjustments were carried out and both units were calibrated together to Canon factory specifications.
MOUNT, LENS: CY1-2428-000-240
COLLAR, ECCENTRIC: YB2-2688-000-400
--
6/30/21
Lens replaced.
MOUNT, LENS, CY1-2428-000-220
--
11/14/17
Mount, 1st group lens, zoom unit, 3rd group lense, back cover, USM, front ring replaced.
MOUNT, LENS, CY1-2428-000-250
1ST GROUP LENS ASSEMBLY, CY1-2563-000
ZOOM UNIT, CY1-2916-000
LENS ASSEMBLY 3RD GROUP, CY1-2970-000
COLLAR, YA2-2062-000-399, QTY 4
COLLAR(X6) COP (SEE AL-997), YA2-2063-000-399, QTY 6
COVER, BACK (SNAP TYPE), YB2-1965-000
COLLAR, ECCENTRIC, YB2-2688-000-399, QTY 2
FOCUSING ASSEMBLY, USM, YG2-0212-009
FRONT RING UNIT, YG9-0363-000
--
10/16/08
Replaced focusing assembly and lens mount part. Checked all, adjusted center/tilt/focus, cleaned to factory specs.
Lens Hood
Lens Caps
Serial Number: 192986
[ REPAIRS ]
3/6/23
Infinity adjustment was off slightly. The mount was replaced and the adjustment was carried out. Focus was functioning according to specifications. As a precaution, internal collars were replaced to insure good focus. Mechanical adjustments were carried out and both units were calibrated together to Canon factory specifications.
MOUNT, LENS: CY1-2428-000-240
COLLAR, ECCENTRIC: YB2-2688-000-400
--
6/30/21
Lens replaced.
MOUNT, LENS, CY1-2428-000-220
--
11/14/17
Mount, 1st group lens, zoom unit, 3rd group lense, back cover, USM, front ring replaced.
MOUNT, LENS, CY1-2428-000-250
1ST GROUP LENS ASSEMBLY, CY1-2563-000
ZOOM UNIT, CY1-2916-000
LENS ASSEMBLY 3RD GROUP, CY1-2970-000
COLLAR, YA2-2062-000-399, QTY 4
COLLAR(X6) COP (SEE AL-997), YA2-2063-000-399, QTY 6
COVER, BACK (SNAP TYPE), YB2-1965-000
COLLAR, ECCENTRIC, YB2-2688-000-399, QTY 2
FOCUSING ASSEMBLY, USM, YG2-0212-009
FRONT RING UNIT, YG9-0363-000
--
10/16/08
Replaced focusing assembly and lens mount part. Checked all, adjusted center/tilt/focus, cleaned to factory specs.
