Nikon Eclipse FN1 upright microscope
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Nikon Eclipse FN1

An upright, fixed stage microscope developed to meet the rigorous demands of electrophysiological research.

The FN1 has a completely redesigned optical system that includes the world's first water dipping objective with depth-induced aberration correction.

Nikon Eclipse FN1
Superior optics

The new optics deliver longer working distances, slimmer profiles, better approach angles, and aberration-free images.

Streamlined operation

The focus knob and field diaphragm ring are on the front for easy operation with a fixed stage. An optional remote handle enables ON/OFF and light intensity adjustment.

Safe and easy objective change

The sliding nosepiece helps to reduce specimen disturbance when changing objectives.

Simple insertion of microelectrodes

New physiological water dipping objectives feature working distances of up to 3.5 mm, with slimmer profiles and a 45-degree approach angle for easy pipette placement.

Open Design

Lift the microscope between 10 and 30 mm to facilitate large specimen observation. Moreover, the condenser, sub-stage and turret can be removed for more free space.

Optical system
Optical system
CFI60 and CFI75 infinity optical system
Main body
Main body
I-shaped, external power supply
Focusing
Focusing
Via nosepiece up/down movement; Manual coaxial coarse/fine focus knobs (on both sides)
Nosepiece
Nosepiece
FN-S2N Sliding Nosepiece (for CFI60 objectives); Front/back 2-position; DIC prism attachable; FN-MN-N Single Objective Holder (for CFI75 objective); 1-position; DIC prism attachable
LWD condenser
LWD condenser
Universal turret type; NA: 0.78, WD: 7.2mm; DIC and Oblique Light observations possible
Eyepiece
Eyepiece
10x, F.N.: 22, 25
Eyepiece tubes
Eyepiece tubes
Y-TB Binocular Tube (Bino 100%); C-TE Ergonomic Binocular Tube (Bino 100%, Bino: DSC port = 50:50) (DSC port cannot be used with variable magnification double port); Y-TF Trinocular Tube FUW (Bino: Photo = 100:0, 0:100); Y-TT Trinocular Tube TUW (Bino: Photo = 100:0, 20:80, 0:100); LV-TI3 Trinocular Tube ESD (Bino: Photo = 100:0, 0:100); LV-TT2 Tilting Trinocular Tube (Bino: Photo = 100:0, 20:80, 0:100)
Stage
Stage
FN-3PS2 FN1 Rectangular Stage (3-plate mechanical stage); Stroke: 30mm (X, Y)
Light source
Light source
FN-LH Pre-centered Lamphouse: 12V/100W long-life halogen lamp; LS-DWL-N Optical Fiber Illuminator (Sumita Optical glass, Inc.): 12V/100W halogen lamp
Operating conditions
Operating conditions
Temperature: 10 - 40° C; Humidity: 85% RH max. (no condensation)
Dimensions
Dimensions
214 (W) x 346 (H) x 422 (D) mm, approx. 12 kg (main body)