Product Description
Introducing our newest Water Contact Optic, the Mid-range focus optimizer 3 or MFO-3. The MFO-3's main function is to cancel the focus distance limitation of macro lenses underwater and provide ample focus distance for different sizes of subjects which were previously limited by using SMC-1 or CMC lenses. The MFO-3 also greatly improves optical performance by minimizing aberration. Compared to the MFO-1 the new MFO-3 offers an even greater working distance although the maximum magnification is reduced.
Specification:
- Dimensions: OD 84mm × H 114.2 mm
- Weight in air: 602g
- Buoyancy in water: Negative 120g
- Lens FOV/Converted FOV (*1): 23°/38°
- Max. Magnification (*1): 0.9X
- Working distance (*1): 0 -1500mm
- Body construction: Hard-anodized aluminum alloy
- Lens construction: 4 elements in 3 groups
- Lens coatings: Anti-reflection Coating
- Mount thread: M67
- Depth rating: 100m
*1. Tested with Nikon Nikkor Z MC 105mm f/2.8 VR S Macro lens
Included in box:
- Front and rear rubber caps
- Neoprene bag
- M67 Spacer ring
- Clean cloth
Comparison with MFO-1, SMC-3
|
|
81503 MFO-3 |
81501 MFO-1 |
81203 SMC-3 |
|
Dimensions(OD x H mm) |
Ø 84 x 114.2mm |
Ø 70 x 26mm |
Ø 70 x 32mm |
|
Weight in air |
602g |
218g |
307g |
|
Buoyancy in water |
Negative 120g |
Negative 150g |
Negative 215g |
|
Lens FOV/Converted FOV(*1) |
23°/38° |
|
|
|
Max. Magnification (*1) |
0.9X |
1.2X |
2.3X |
|
Working distance (*1) |
0-1500mm |
108-1005mm |
46-98mm |
|
Lens construction |
4 elements in 3 groups |
3 elements in 2 groups |
3 elements in 2 groups |
|
Lens coatings |
Anti-reflection |
Anti-reflection |
Anti-reflection |
|
Mount thread |
M67 |
M67 |
M67 |
|
Depth rating |
100m |
100m |
100m |
|
*1. Tested with Nikon Nikkor Z MC 105mm f/2.8 VR S Macro lens |
|||
Compatible Lenses with MFO-3
|
Lens |
Sensor format |
Lens FOV. |
Max. Magnification |
Working distance |
Converted FOV. |
|
Canon RF 100mm f/2.8 L Macro IS USM (with Modified Aperture) |
FF |
24° |
0.9X |
0-1490mm |
40º |
|
Canon EF 100mm f/2.8L Macro IS USM |
FF |
24° |
0.9X |
0-1490mm |
40º |
|
Nikon NIKKOR Z MC 105mm f/2.8 VR S Macro |
FF |
23° |
0.9X |
0-1500mm |
38° |
|
Nikon AF-S VR Micro-NIKKOR 105mm f/2.8G IF-ED |
FF |
23° |
0.8X |
5-1490mm |
38° |
|
Nikon AF-S Micro NIKKOR 60mm f/2.8G ED |
DX |
26.5° |
0.5X |
0-1500mm |
45º |
|
Sony FE 90mm f/2.8 Macro G OSS |
FF |
27° |
0.8X |
0-1500mm |
45º |
|
Fujifilm GF 120mm f/4 Macro R LM OIS WR |
Medium Format |
25.7° |
0.9X |
15-1500mm |
43º |
|
Olympus M. Zuiko Digital ED 60mm f2.8 Macro |
M43 |
20° |
0.5X |
0-1500mm |
33º |
|
OM System M.Zuiko Digital ED 90mm f/3.5 Macro IS PRO(Normal macro mode) |
M43 |
14° |
0.7X |
0-1480mm |
23º |
|
Canon EF-S 60mm f2.8 Macro USM |
APS-C |
24.5° |
|
|
|
|
Panasonic Lumix S 100mm f2.8 Macro |
FF |
24° |
|
|
|
Optional Accessories
- 25101 M67 flip diopter holder for M67 macro ports (from SN A614741 onward)
- 25108 M67 Double Flip Holder for M67 Macro Ports (from SN A397071 onward)
- 83214 Bayonet Mount Adaptor for SMC/CMC
- 83250 M67 to Bayonet Mount Converter II
- 87501 Flip Holder for EMWL
