
Imagine a fluorescence microscope that needs a lamp change every 50.000 hours.
Imagine a fluorescence microscope with a cold light source that barely heats up during use.
Imagine a fluorescence microscope that can be switched on, used immediately, switched off and then back on again.
Imagine a fluorescence microscope that is so safe as to need no protection shield whatsoever, and that can be used by anyone, without any
specific precaution.
Imagine a fluorescence microscope that can be powered by batteries, as easily as a torchlight.
Imagine a fluorescence microscope that is so sturdy and so compact that it can be used on the field, with any transport problems.
You may think that such an instrument exists in your imagination only. Actually, such microscope is real, and its name is OPTIKA B-350LD.
Developed by the OPTIKA Research labs, B-350LD marks a revolution in the field of fluorescence microscopy.
Strictly derived from model B-350FL, from which it shares the body, the optics and the filter sets, B-350LD employs high-power LED’s instead of
the classical mercury vapour lamp. The LED’s are tailored to the specific applications (FITC-TRITC).
The brightfield illuminator uses our X-LED™ system, and the colour temperature closely matches sunlight.
The microscope is available in two versions: B-353LD1 and B-353LD2.

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| B-353LD1
- Upright Blue LED Fluorescence Microscope
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Technical specifications 
Model |
B-353LD1 |
Optical system |
Mechanical tube lenght: IOS - Infinity Optical System; parfocal distance 45 mm. |
Head |
Trinocular, 30° inclined, 360° rotating. Diopter adjustment; interpupillary distance adjustment 55-75 mm. |
Eyepieces |
Wide Field WF10x/20 mm. |
Nosepiece |
5-position reversed revolving nosepiece. Ball bearing linear guides. |
Objectives |
IOS Planachromatic 4x/0.1, 10x/0.25, 20x/0.40, 40x/0.65 and 50x/0.75 (no cover slide). |
Specimen stage |
Double layer with mechanical sliding stage, 160x142 mm; moving range 76x52 mm. |
Focusing system |
Rack and pinion mechanism, with coaxial coarse and fine control knobs. Fine adjustment graduation 0.002 mm. Vertical movement
range: 20 mm. Tension control on left side; upper stage drive stop on right side. |
Condenser |
Centrable Abbe condenser with double lens. N.A. 1.25. Fitted with iris diaphgram, blue filter and filter holder. Height adjustment by a
rack and pinion mechanism. |
Brightfield Illumination |
X-LED™ unit for transmitted light. |
Fluorescence Illumination |
High power blue LED unit for epi-fluorescence (for standard use with B) |
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| B-353LD2
- Upright LED Fluorescence Microscope |
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Technical specifications 
Model |
B-353LD2 |
Optical system |
Mechanical tube lenght: IOS - Infinity Optical System; parfocal distance 45 mm. |
Head |
Trinocular, 30° inclined, 360° rotating. Diopter adjustment; interpupillary distance adjustment 55-75 mm. |
Eyepieces |
Wide Field WF10x/20 mm. |
Nosepiece |
5-position reversed revolving nosepiece. Ball bearing linear guides. |
Objectives |
IOS Planachromatic 4x/0.1, 10x/0.25, 20x/0.40, 40x/0.65 and 50x/0.75 (no cover slide). |
Specimen stage |
Double layer with mechanical sliding stage, 160x142 mm; moving range 76x52 mm. |
Focusing system |
Rack and pinion mechanism, with coaxial coarse and fine control knobs. Fine adjustment graduation 0.002 mm. Vertical movement
range: 20 mm. Tension control on left side; upper stage drive stop on right side. |
Condenser |
Centrable Abbe condenser with double lens. N.A. 1.25. Fitted with iris diaphgram, blue filter and filter holder. Height adjustment by a
rack and pinion mechanism. |
Brightfield Illumination |
X-LED™ unit for transmitted light. |
Fluorescence Illumination |
High power LED unit for epi-fluorescence (for standard use with B ang G) |
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| B-353FL
- Upright HBO Fluorescence Microscope |
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Technical specifications 
Model |
B-353FL |
Optical system |
Mechanical tube lenght: IOS - Infinity Optical System; parfocal distance 45 mm. |
Head |
Trinocular, 30° inclined, 360° rotating. Diopter adjustment; interpupillary distance adjustment 55-75 mm. |
Eyepieces |
Wide Field WF10x/20 mm.. |
Nosepiece |
5-position reversed revolving nosepiece. Ball bearing linear guides. |
Objectives |
IOS Planachromatic 4x/0.1, 10x/0.25, 20x/0.40, 40x/0.65 and 100x/1.25 (oil). |
Specimen stage |
Double layer with mechanical sliding stage, 160x142 mm; moving range 76x52 mm. |
Focusing system |
Rack and pinion mechanism, with coaxial coarse and fine control knobs. Fine adjustment graduation 0.002 mm. Vertical movement
range: 20 mm. Tension control on left side; upper stage drive stop on right side. |
Condenser |
Centrable Abbe condenser with double lens. N.A. 1.25. Fitted with iris diaphgram, blue filter and filter holder. Height adjustment by a
rack and pinion mechanism. |
Brightfield Illumination |
X-LED™ unit for transmitted light. |
Fluorescence Illumination |
HBO 100W high pressure mercury bulb for epi-fluorescence. Use with B (FITC) and G (TRITC) filtersets. |
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| B-600TiFL
- Upright HBO Fluorescence Microscope |
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Technical specifications 
Model |
B-600TiFL |
Optical system |
Mechanical tube lenght: IOS - Infinity Optical System; parfocal distance 45 mm. |
Head |
Trinocular, 30° inclined, 360° rotating. Diopter adjustment; interpupillary distance adjustment 55-75 mm. |
Eyepieces |
Wide Field 10x/22 mm. |
Nosepiece |
5-position reversed revolving nosepiece. Ball bearing linear guides. |
Objectives |
IOS Planachromatic FLUO 4x/0.13, 10x/0.30, 20x/0.50, 40x/0.75 |
Specimen stage |
Double layer with mechanical sliding stage, 175x145 mm; moving range 75x55 mm. |
Focusing system |
Rack and pinion mechanism, with coaxial coarse and fine control knobs. Fine adjustment graduation 0.002 mm. Vertical movement range: 20 mm. Tension control on right side; upper stage drive stop on left side. |
Condenser |
Centrable Abbe condenser (swing-out type) with double lens. N.A. 0.9. Fitted with iris diaphgram. Height adjustment by a rack and
pinion mechanism. |
Brightfield Illumination |
External 12V/50W with halogen bulb, fan-cooled case, centering system. Field diaphragm. Full Koehler system. Optional: X-LED8TM illumination. |
Fluorescence Illumination |
HBO 100W high pressure mercury bulb for epi-fluorescence.Use with B (FITC) and G (TRITC) filtersets.
4-position sliding selector for additional fluorescence filtersets. |
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| XDS-2FL
- Inverted HBO Fluorescence Microscope |
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Technical specifications 
Model |
XDS-2FL |
Optical system |
Infinity corrected system, 45 mm parafocality distance. Field of view 22 mm. |
Head |
Trinocular: 30° inclined, 360° rotating. Interpupillary
distance: 48 - 75 mm. Adjustable dioptric compensation. Ergonomical head available as option. |
Eyepieces |
Extra-wide field10x/22mm, High-point. |
Nosepiece |
5 positions, with bidirectional rotation on ball bearings and click stop. |
Objectives |
Long working distance (LWD) infinity corrected (IOS) planachromatic: 4x/0.10 (working distance 18 mm), 10x/0.25 with phase ring (working distance 10 mm), 20x/0.40 with phase ring (working distance 5.1 mm), 40x/0.60 (working distance 2.6 mm).
Corrected for 1.2 mm coverglass). |
Specimen stage |
Size: 250 x 230 mm. Translator with lowered ergonomic coaxial controls. X-Y translation: 119 x 70 mm. Interchangeable metallic inserts for specimen slides, Petri dishes and flasks. |
Focusing system |
Macro- and micrometric regulation, with coaxial knobs on both sides of the stand. Adjustable friction. |
Condenser |
Long working distance condenser, numerical aperture 0.30, working distance 72 mm. The condenser can be removed in order to
increase the working distance to 150 mm. |
Brightfield Illumination |
X-LED8TM system precentered illuminator, with adjustable intensity, filter and phase ring holder and aperture diaphragm
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Fluorescence Illumination |
HBO 100W high pressure mercury bulb, knobs for lamp alignment.
B (FITC) and G (TRITC) filtersets. No other as option. |
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| XDS-3FL
- Inverted HBO Fluorescence Microscope |
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Technical specifications 
Model |
XDS-3FL |
Optical system |
Infinity corrected system, 45 mm parafocality distance. Field of view 22 mm. |
Head |
Trinocular: 45° inclined. Interpupillary
distance: 48 - 75 mm. Adjustable dioptric compensation. |
Eyepieces |
Extra-wide field WF10x/22mm. |
Nosepiece |
5 positions, with bidirectional rotation on ball bearings and click stop. |
Objectives |
Long working distance (LWD) infinity corrected (IOS) FLUO planachromatic:
10X/0.30 (w.d.10 mm), 20X/0.45
(w.d. 5.1 mm),
40X/0.65 (w.d. 2.6 mm). Corrected for 1.2 mm coverglass. |
Specimen stage |
Size: 250 x 230 mm. Translator with lowered ergonomic coaxial controls. X-Y translation: 119 x 70 mm. Interchangeable metallic
inserts for specimen slides, Petri dishes and flasks. |
Focusing system |
Macro- and micrometric regulation, with coaxial knobs on both sides of the stand. Adjustable friction. |
Condenser |
Long working distance condenser, numerical aperture 0.30, working distance 72 mm. The condenser can be removed in order to increase the working distance to 150 mm. Green IF550 filter and Blue LBD filter are provided. |
Brightfield Illumination
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X-LED8TM system, precentered illuminator, with adjustable intensity and aperture diaphragm. |
Fluorescence Illumination
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Inverted epifluorescence: HBO 100W high pressure mercury bulb, knobs for lamp alignment. |
Filtersets |
Blue and Green fluorescence filtersets. Violet and Ultraviolet as optional accessories.
Filter block 4 positions as optional accessories (code M-679). |
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| XDS-3FL4
- Inverted HBO Fluorescence Microscope |
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Technical specifications 
Model |
XDS-3FL4 |
Optical system |
Infinity corrected system, 45 mm parafocality distance. Field of view 22 mm. |
Head |
Trinocular: 45° inclined. Interpupillary
distance: 48 - 75 mm. Adjustable dioptric compensation. |
Eyepieces |
Extra-wide field WF10x/22mm. |
Nosepiece |
5 positions, with bidirectional rotation on ball bearings and click stop. |
Objectives |
Long working distance (LWD) infinity corrected (IOS) FLUO planachromatic:
10X/0.30 (w.d.10 mm), 20X/0.45 (w.d. 5.1 mm),
40X/0.65 (w.d. 2.6 mm). Corrected for 1.2 mm coverglass. |
Specimen stage |
Size: 250 x 230 mm. Translator with lowered ergonomic coaxial controls. X-Y translation: 119 x 70 mm. Interchangeable metallic
inserts for specimen slides, Petri dishes and flasks. |
Focusing system |
Macro- and micrometric regulation, with coaxial knobs on both sides of the stand. Adjustable friction. |
Condenser |
Long working distance condenser, numerical aperture 0.30, working distance 72 mm. The condenser can be removed in order to increase the working distance to 150 mm. Green IF550 filter and Blue LBD filter are provided. |
Brightfield Illumination
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X-LED8TM system, precentered illuminator, with adjustable intensity and aperture diaphragm.
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Fluorescence Illumination
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Inverted epifluorescence: HBO 100W high pressure mercury bulb, knobs for lamp alignment. |
Filtersets |
With 4 positions filter holder. Blue and Green fluorescence filtersets, plus 2 empty positions. Violet and Ultraviolet as optional accessories.
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| SZP-FL
- HBO Fluorescence Stereo Microscope
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Technical specifications 
Model |
SZP-FL |
Description |
Fluorescence attachment for SZP stereomicroscopes.
Fluorescence observation for biology, industrial inspection, criminal justice, etc. Essential tool for security printing and mineral research. |
Optical system |
Parallel optical system (SZP system) |
Filterset |
Standard:
GFP-B (EX460-500, DM505, BA510-560)
GFP-L (EX460-500, DM505, BA510)
Optional:
CFP-B (EX430-450, DM455, BA465-495)
YFP-B (EX490-510, DM525, BA530-560)
G (EX515-550, DM570, BA590)
RFP-B (EX525-555, DM570, BA585) |
Illumination |
100W HBO high-pressure mercury vapor bulb.
Average lamp lifetime: 400 hours.
Input voltage: 110/240Vac, 50/60Hz, 1A ; Fuse: F8AL 250V.
Maximum input power: 125W.
Current and time counter LED displays. |
Photo&Video Attachment |
Trinocular output port |
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