| Lens
Model Name |
HA21 X 7.8BERM /
BERD |
|
Focal Length |
( 1× ) |
7.8
- 164mm |
| ( 2× ) |
15.6
- 328mm |
|
Zoom Ratio |
21 × |
|
Extender |
2 × |
|
Maximum relative aperture (F-No.) |
1 :
1.8 ( 7.8 - 109mm )
1 :
2.7 ( 164mm ) |
Minimum object distance (M.O.D.)
From front lens
from image plane |
0.85m
1.1m |
|
Object dimensions at M.O.D.
16 : 9
Aspect ratio |
( 1× ) |
7.8mm
- 1023 × 575mm
164mm - 49 × 27mm |
| ( 2× ) |
15.6mm
- 511 × 288mm
328mm - 24 × 14mm |
|
Angular field of view 16 :
9
Aspect ratio |
( 1× ) |
7.8mm
- 63°10' × 38°07'
164mm - 3°21' × 1°53' |
| ( 2× ) |
15.6mm
- 34°10' × 19°36'
328mm - 1°41' × 0°56' |
|
Macro |
Standard |
|
Filter thread |
M82 × 0.75 |
|
Size ø × Length
|
ø
85 × 208.7mm |
|
Mass (without lens hood) |
1.59kg
(RM) / 1.66kg (RD) |
|
Option |
QuickFrame |
|
Available model
|
HA21 × 7.8BERM-M / BERD-S
HA21 × 7.8BEZM-N / BEZD-T |
