BK-POL Series Polarizing Microscope
Also named mineralogical microscope, is necessary for researching double refraction sample, which is widely used in geology, mineral, chemical industry, medical, drug, criminal investigation fields etc.
● BK-POL ● BK-POLF ● BK-POLR
● Professional binocular head can keep the cross in the right-hand eyepiece always same when the eyepiece tubes turned.
● Analyzer unit : 360° rotatable analyzer with division, can be locked and moved out of the light path.
● Bertrand lens, Built In，focus adjustable.
● Centering nosepiece, non-stress infinity plan objective.
● Rotatable 360° stage , division 1°, vernier division 6’, adjustable center which can be locked.
● Polarizing unit: rotatable 360°, scaled, can be locked.
● Attached polarizing mechanical stage: professional design for laboratory’s user to avoid objective hitting.
● Compensator: Quartz wedge, First class red slip, λ/4 slip.
● Swing-out condenser, Swing the lens in to get excellent image when using high power objective to make observation.
| Objective | N.A. | Working distance (mm) | BK-POL （T） | BK-POLF （R） | BK-POLR （T&R） | |
|
Non-stress Infinity Plan Objective (Transmitting) | PLAN 4X | 0.10 | 12.10 | ● |
| ● |
| PLAN 10X | 0.25 | 4.64 | ● |
| ● | |
| PLAN 20X (S) | 0.40 | 2.41 | ● |
| ● | |
| PLAN 40X (S) | 0.66 | 0.65 | ● |
| ● | |
| PLAN 60X (S) | 0.80 | 0.33 | ○ |
| ○ | |
| PLAN 100X (S，Oil) | 1.25 | 0.12 | ○ |
| ○ | |
|
Non-stress LWD Infinity Plan Objective (Reflecting)
| LMPlan FL 5× (Semi Apochromatic Objective) | 0.15 | 21.00 |
| ● | ○ |
| LMPlan FL 10× (Semi Apochromatic Objective) | 0.30 | 20.00 |
| ● | ○ | |
| LMPlan FL 20× (Semi Apochromatic Objective | 0.40 | 15.00 |
| ● | ○ | |
| LMPlan FL 50× (Semi Apochromatic Objective) | 0.55 | 10.00 |
| ● | ● | |
| LMPlan 100×（Dry） (Semi Apochromatic Objective) | 0.85 | 3.00 |
| ○ | ○ | |
Objective Specification:（"●" is standard outfits, "○" is optional accessories.）
“T” means transmitting “R” means reflecting “T&R “ means transmitting and reflecting
● BK-POL Transmitting Polarizing Microscope Size(mm)
● BK-POL R Transmitting & Reflecting Polarizing Microscope Size(mm)
● BK-POL F Reflecting Polarizing Microscope Size(mm)
BK-POL Series Polarizing Microscope General Layout Diagram
BK-POL Series Polarizing Microscope Outfits
| Item | Specification | BK-POL | BK-POLF | BK-POLR | |
| Eyepiece | WF10X／22mm （adjustable） | ● |
|
| |
| WF10X／22mm （adjustable，reticule 0.1mm） | ● |
|
| ||
| WF10X／20mm （adjustable） |
| ● | ● | ||
| WF10X／20mm （adjustable，reticule 0.1mm） |
| ● | ● | ||
| Professional Polarizing Seidentopf Binocular Head | Inclined 30°, rotatable 360°, | ● | ● | ● | |
| Professional Polarizing Seidentopf Trinocular Head | Inclined 30°, Rotatable 360°, Light distribution（both）100: 0（100% for eyepiece） 80:20（80% for trinocular head and 20% for eyepiece） | ○ | ○ | ○ | |
| Non-stress Infinity Plan Objective (Transmitting) | PLAN 4X／0.10 | W.D.= 12.1mm | ● |
| ● |
| PLAN 10X／0.25 | W.D.= 4.64mm | ● |
| ● | |
| PLAN 20X／0.40(S) | W.D.=2.41mm | ● |
| ● | |
| PLAN 40X／0.66(S) | W.D.=0.65mm | ● |
| ● | |
| PLAN 60X／0.80(S) | W.D.=0.33mm | ○ |
|
| |
| PLAN 100X／1.25(S，Oil) | W.D.=0.12mm | ○ |
|
| |
| Non-stress LWD Infinity Plan Objective (Reflecting)
| LMPlan FL 5×/0.15 (Semi Apochromatic Objective) | W.D=21.00mm |
| ● | ○ |
| LMPlan FL 10×/0.30 (Semi Apochromatic Objective) | W.D.= 20.00mm |
| ● | ○ | |
| LMPlan FL 20×/0.40 (Semi Apochromatic Objective) | W.D.= 15.00mm |
| ● | ○ | |
| LMPlan FL 50×/0.55 (Semi Apochromatic Objective) | W.D.= 10.00mm |
| ● | ● | |
| LMPlan 100×/0.85（Dry） (Semi Apochromatic Objective) | W.D.= 3.00mm |
| ○ | ○ | |
| Nosepiece | Quintuple （center adjustable） | ● | ● | ● | |
| POL Media | Analyzer rotatable 360°, module type, can be locked | ● | ● | ● | |
| Bertrand lens, Built In,focus adjustable | ● | ● | ● | ||
| Slip | λslip（First Class Red） | ● | ● | ● | |
| λ/4 slip | ● | ● | ● | ||
| Quartz wedge（Ⅰ～ Ⅳ） | ● | ● | ● | ||
| Revolving Round Stage | Rotatable 360°, center adjustable, can be locked. division 1°, vernier division 6’. Diameter Φ174mm | ● | ● | ● | |
| Swing-out Condenser | N.A.0.9/0.13, polarizing unit ( with scale, rotatable 360°,can be locked) | ● |
| ● | |
| Coaxial Coarse and Fine Focusing Unit | Coarse stroke 25mm, Fine stroke per rotation:0.2mm, fine division 2 μm | ● | ● | ● | |
| Transmitting/ Reflecting Illumination | 5WLED lamp（Input voltage:100V～240V） | ● | ● | ● | |
| Transmitting Illumination | 6V/30W Halogen lamp（Input voltage:100V～240V） | ○ |
|
| |
| Reflecting Illumination | 12V/50W halogen lamp（Input voltage:100V～240V） |
| ○ | ○ | |
| Filter | Blue/ Amber/ Green/ Neutral | ○ | ○ | ○ | |
| Attached Polarizing Mechanical Stage | ○ | ○ | ○ | ||
| C-Mount | 1X /0.75 X /0.5 X (Focus adjustable) | ○ | ○ | ○ | |
| Packaging Parameters | Packing Size | Gross Weight | Net Weight |
| BK-POL | 520mm×470mm×285mm | 12.5 kgs | 10 kgs |
| BK-POL R | 520mm×470mm×430mm | 16 kgs | 12.5 kgs |
| BK-POL F | 520mm×470mm×430mm | 15 kgs | 11.5 kgs |
