Specifications
1x
Flattener
|
|
(After
attaching)80ED
Focal length
|
560mm
|
(After
attaching)80ED
Focal ratio
|
f/7
|
Lens Number
|
Triplet design(including one ED glass)
|
Image circle
|
APS-C
|
Back Focus
|
55mm(from
the base of M48 male thread)
|
Weight
|
0.42kg
|
Rear-end thread type
|
M54×0.75 |
Product
Size Diagram
|
1x Flattener
Installation
|
1x Flattener
Optical
Path Diagram
|
1x Flattener
Spot
Diagram
|
1x Flattener
Longitudinal
Aberration
|
1x Flattener
relative
illumination diagram
|
1x Flattener