Kern OBF / OBL Compound Microscopes

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Product Details

The variable model for the flexible user in the laboratory and vocational training

Features

The KERN OBF-1 and OBL-1 models are excellent and robust laboratory microscopes for all common routine applications.
Thanks to the simple Koehler illumination, the adjustable field diaphragm and a pre-centred and height adjustable Abbe condenser with adjustable aperture diaphragm, these microscopes produce impressive images in both bright and dark field applications.
The microscopes are equipped with wide field eyepieces, with achromatic, plan achromatic or infinity corrected E-plan objectives, depending on the model.
These binocular microscopes are equipped with diopter adjustment.
A trinocular head is optionally available, allowing a camera to be fitted.
A nosepiece for up to four objectives and a large stage are provided as standard.
The following optional accessories are available: A variety of eyepieces, objectives, a complete polarisation kit, a phase contrast unit, complete HBO and LED fluorescence kits and more.
20W halogen illumination and a 3W LED alternative version are available for illumination.
One of the central features of this variable and simultaneously robust series of microscopes is the stable and precisely adjustable mechanism.

Technical data

Eyepieces: WF 10x18 mm / WF 10x20 mm
Objectives: 4x / 10x / 40x / 100x
Overall dimensions WxDxH 395x200x380 mm
Net weight approx. 6,5 kg

Please find detailed information in the charts within the technical specification tab.

Technical Specifications

KERN Model	Standard configuration
KERN Model	Optical system	Tube	Illumination
OBF 121	Finity	Binocular	6V / 20W Halogen (transmitting)
OBF 122	Finity	Binocular	6V / 20W Halogen (transmitting)
OBF 123	Finity	Binocular	3W LED (transmitting)
OBL 125	Infinity	Binocular	6V / 20W Halogen (transmitting)
OBL 127	Infinity	Binocular	3W LED (transmitting)

Model outfit		Model KERN			Order number
Model outfit		OBF 121	OBF 122	OBF 123	Order number
Eyepieces	WF 10x / Ø 18 mm	●●	●●	●●	OBB-A1347
	WF 16x / Ø 13 mm				OBB-A1354
	WF 10x / Ø 18 mm (reticule 0,1 mm) (non-adjustable)				OBB-A1349
	WF 10x / Ø 18 mm (reticule 0,1 mm) (adjustable)				OBB-A1350
	WF 10x / Ø 20 mm (reticule 0,1 mm) (adjustable)				OBB-A1352
Achromatic objectives	4x / 0,10	●			OBB-A1111
	10x / 0,25	●			OBB-A1108
	40x / 0,65 (spring)	●			OBB-A1112
	100x / 1,25 (oil) (spring)	●			OBB-A1109
	20x / 0,40				OBB-A1110
	60x / 0,80 (spring)				OBB-A1113
Plan objectives	4x / 0,10		●	●	OBB-A1255
	10x / 0,25		●	●	OBB-A1238
	40x / 0,65 (spring)		●	●	OBB-A1256
	100x / 1,25 (oil) (spring)		●	●	OBB-A1239
	20x / 0,40				OBB-A1249
	60x / 0,80 (spring)				OBB-A1269
Binocular tube	Siedentopf, 30° inclined, 360° rotatable Interpupillary distance: 50 – 75 mm (for non-infinity system) With diopter adjustment (one-sided)	●	●	●	OBB-A1129
Trinocular tube	Siedentopf, 30° inclined, 360° rotatable Interpupillary distance: 50 – 75 mm Light distribution: 20:80 (for non-infinity system) With diopter adjustment (one-sided)				OBB-A1345
Nosepiece	Quadplex	●	●	●
Mechanical stage	Stage size: WxD 145x140 mm Travel: 76x52 mm Coaxial coarse and fine focusing knobs, scale: 2 µm Two slide holder	●	●	●
Condenser	Abbe N.A. 1,25 precentered (aperture diaphragm)	●	●	●	OBB-A1103
Illumination	6V / 20W Halogen (transmitting)	●	●		OBB-A1204
Illumination	3W LED illumination system (transmitting) (non-rechargeable)			●
Field diaphragm	Field diaphragm	●	●	●
Darkfield unit	N.A. 0,9 (Dry) Usable for 4x – 40x objectives				OBB-A1149
Polarising unit	Analyser / Polariser				OBB-A1277
Fluorescence unit	100W HBO Epi Fluorescence unit, three-hole slide (B / G) including centering objective				OBB-A1154
Fluorescence unit	3W LED Epi Fluorescence unit, three-hole slide (B / G) including centering objective				OBB-A1157
Filter	Blue	●	●	●	OBB-A1178
	Green				OBB-A1194
	Yellow				OBB-A1203
C-Mount	0,47x (focus adjustable)				OBB-A1135
C-Mount	1x				OBB-A1142

Model outfit		Model KERN		Order number
Model outfit		OBL 125	OBL 127	Order number
Eyepieces	WF 10x / Ø 20 mm	●●	●●	OBB-A1351
	WF 16x / Ø 13 mm			OBB-A1354
	WF 10x / Ø 18 mm (reticule 0,1 mm)			OBB-A1349
	WF 10x / Ø 18 mm (reticule 0,1 mm) (adjustable)			OBB-A1350
	WF 10x / Ø 20 mm (reticule 0,1 mm) (adjustable)			OBB-A1352
Infinity E-Plan objectives	4x / 0,10	●	●	OBB-A1161
	10x / 0,25	●	●	OBB-A1159
	40x / 0,65 (spring)	●	●	OBB-A1160
	100x / 1,25 (oil) (spring)	●	●	OBB-A1158
	Plan 20x / 0,40			OBB-A1250
	Plan 60x / 0,80 (spring)			OBB-A1270
Binocular tube	Siedentopf, 30° inclined, 360° rotatable Interpupillary distance: 50 – 75 mm (for infinity system) With diopter adjustment (one-sided)	●	●	OBB-A1130
Trinocular tube	Siedentopf, 30° inclined, 360° rotatable Interpupillary distance: 50 – 75 mm Light distribution: 20:80 (for infinity system) With diopter adjustment (one-sided)			OBB-A1346
Nosepiece	Quadplex	●	●
Mechanical stage	Stage size: WxD 145x140 mm Travel: 76x52 mm Coaxial coarse and fine focusing knobs, scale: 2 µm Two slide holder	●	●
Condenser	Abbe N.A. 1,25 precentered (aperture diaphragm)	●	●	OBB-A1103
Illumination	6V / 20W Halogen (transmitting)	●		OBB-A1204
Illumination	3W LED illumination system (transmitting) (non-rechargeable)		●
Field diaphragm	Field diaphragm	●	●
Darkfield unit	N.A. 0,9 (Dry) Usable for 4x – 40x objectives			OBB-A1149
Polarising unit	Analyser / Polariser			OBB-A1277
Independent phase contrast unit (including PH-condenser and PH-slides)	Independent slot with ∞ PH-Plan objective 10x			OBB-A1215
	Independent slot with ∞ PH-Plan objective 20x			OBB-A1217
	Independent slot with ∞ PH-Plan objective 40x			OBB-A1219
	Independent slot with ∞ PH-Plan objective 100x			OBB-A1213
Fluorescence unit	100W HBO Epi Fluorescence unit, three-hole slide (B / G) including centering objective			OBB-A1154
Fluorescence unit	3W LED Epi Fluorescence unit, three-hole slide (B / G) including centering objective			OBB-A1157
Filter	Blue	●	●	OBB-A1178
	Green			OBB-A1194
	Yellow			OBB-A1203
C-Mount	0,47x (focus adjustable)			OBB-A1135
C-Mount	1x			OBB-A1142

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Buying Options

Product Code	Description	List Price	Offer Price
OBL 125	Kern OBL Compound microscope Binocular Inf E-Plan 4/10/40/100; WF10x20; 20W Hal	£1,009.00 (£1,210.80 Inc VAT)	£647.00 (£776.40 Inc VAT)
OBF 121	KERN Advanced Compound Binocular Microscope Achromatic with 20W Halogen illumination	£831.00 (£997.20 Inc VAT)	£533.00 (£639.60 Inc VAT)
OBL 127	Kern Compound microscope Binocular Inf E-Plan 4/10/40/100; WF10x20; 3W LED	£1,009.00 (£1,210.80 Inc VAT)	£647.00 (£776.40 Inc VAT)
OBL 135	Kern Compound microscope Trinocular Inf E-Plan 4/10/40/100; WF10x20; 20W Hal	£1,130.00 (£1,356.00 Inc VAT)	£725.00 (£870.00 Inc VAT)
OBL 137	Kern Compound microscope Trinocular Inf E-Plan 4/10/40/100; WF10x20; 3W LED	£1,130.00 (£1,356.00 Inc VAT)	£725.00 (£870.00 Inc VAT)
OBL 145	Kern Phase contrast microscope Binocular InfE-Plan 4/100-InfPlanPH 10/40; WF10x20; 20W Hal	£1,574.00 (£1,888.80 Inc VAT)	£1,009.00 (£1,210.80 Inc VAT)
OBL 155	Kern Phase contrast microscope Trinocular InfE-Plan 4/100-InfPlanPH 10/40; WF10x20; 20W Hal	£1,695.00 (£2,034.00 Inc VAT)	£1,087.00 (£1,304.40 Inc VAT)