ADELTAVISION AV51iB45 SF20 : Inﬁnity Binocular Inclined 45° Angle Sidentopf Type LED Laboratory Microscope

ADELTAVISION AV51iB45 SF20

Inﬁnity Binocular Inclined 45° Angle Sidentopf Type LED Laboratory Microscope

SERIES : AV51 | MODEL : AV51iB45 SF20

PRODUCT CODE : AV134SF20

The Adeltavision Model : AV51iB45 SF20 is an innovative line of 45° inclined sidentopf Binocular biological microscope with refined style and with plan infinity optical system F.O.V. 20mm suitable for demanding laboratory microscopy applications.

In fact, these microscope mount as standard LED illumination, wide field eyepieces, Centered nosepiece, Coaxial coarse and fine gear focusing with ball bearing stage, lock lever. All this combined with an refined unicast single mould design, ergonomic and sturdy aluminium pressure die cast stand with infinity plan-achromati Infinity objectives, give to these microscopes the capability to match a wide range of applications from educational use in various disciplines to routine laboratory work.

All the Plan achromat objectives, Prisms and Eyepieces of these microscope are anti fungal coated.

ADELTAVISION AV51iB45 SF20 Specification Sheet

Model No.	ADELTAVISION MODEL NO. AV51iB45 SF20
Standard Main Frame	One piece die casted aluminium mould design, white glossy finish antifungal PU paint.
Optical System	Infinity Optical System Colour Corrected.
Built-in white LED Illumination	High intensity precentered 3 watt LED, variable light intensity control with on/off switch Easy LED change. LED technology provides cool white even illumination, energy-efficient light for up to 50,000 hours.
Viewing Head (Anti-fungal) Infinity	45° inclined sidentopf binocular viewing head, high transmission prism (antifungal coated) 360° rotatable & secured, ±5 diopter adjustment on both eyepiece tubes or (left one is adjustable and right one is fixed). Inter-pupillary distance (I.P.D.) range 48-75 mm.
Light division 50% : 50%
Eyepiece lens (Anti-fungal)	High eye point CWF 10x/20mm supplied as standard – 2 Nos. Wide field type Antifungal and High transmission. Spectacles wearer observer & Normal Eye Sight person both can look through this easily.
‘AP’ Plan Apochromat Objectives (Anti-fungal)	‘AP’ Adelta Optec ultra high resolution plan Din Size apochromat, Infinity colour corrected objectives fitted with multilayer coated lenses made from imported optical glass. DIN Standard AP 4X (0.10 N.A ∞/0.17), AP 10X (0.25 N.A. ∞/0.17), AP 40 X (0.65 N.A ∞/0.17) and AP 100 X oil immersion (1.25 N.A. ∞/0.17) spring loaded silicon sealed. All are parafocal, parcentered and color-coded.
Precision Nose-piece	Quadruple objective turret is ball-bearing mounted for smooth, precise positioning of objectives, smooth forward turn, parafocal & paracenter, internal click stop with multiple bearings. Knurling on outer metal rim for grip.
Focusing Mechanism	Co-axial coarse with fine focusing system, multiple gear driven on roller guides. Coarse/Fine focusing range 24 mm. Fine focusing knob is graduated in 2µm scale increments. Torque control (tension adjustment) & safety auto focus stop on coarse movement, allows user to lock & set upper limit of stage to prevent glass specimen slide from crashing into objective lens.
Mechanical Stage Rectangular	Precision ball bearing type, traverse 76mm (X) and 50mm (Y), vernier eading 0.1 mm. Low positioned co-axial knobs, soft feel and fluid ovement. Size 144mm (L) X 120 mm (W) painted with hard PU paint.
Sub Stage Precentred Condenser	Precision Abbe condenser N.A. 1.25 Built into the stage plate, provides extra bright collimated & even illumination at all magnifications, High Contrast is achieved by a built-in circular precision Iris diaphragm i.e. accurately centered. Vertical adjustment of condenser 18 mm adjustable by rack & pinion movement by left hand placed knob.
Power Supply	Plug-in external SMPS power supply, Input : 100-240VAC 50-60Hz 0.3 Amp., Output: 5VDC/1.0 Amp. Plugs into DC socket fitted into the microscope rear main frame with On/Off switch.
Accessories	Protection Cover, Allen Key, AC-DC 5V/1.0 Amp., Adapter : 1 No., Instruction Manual : 1 No.
Packing	Length x Width x Height (440mm x 325mm x 275mm), Gross Weight : 5.8 kgs, Approx Microscope packed inside in Styrofoam Box – Net Weight 5 kgs.
Optional (Not for Export)	Battery Backup 3.7V 1000 mAH Li-ion Battery backup 3 hours for led illumination on full capacity and battery backup 10 hours for led illumination on 35% capacity.

Specifications and equipment are subject to change without any notice or obligation on the part of the manufacturer.