Highly polished and well edged, manufactured from plate glass optically true:
Diameter Focal Length
(I) (II) (III)
A 50MM 5cm 5cm More than 10cm
B 100MM 10cm 10cm More than 10cm
Double-convex lens, also named bi-convex lens, is most suitable where the object and image are on opposite sides of the lens and the ratio of the object (conjugate ratiio) distances is between 0.2 to 5. It is used in beam expanders, projection optics systerms, optical viewers ect.
Highly polished and well edged, manufactured from plate glass optically true: Diameter Focal Length (I) (II) (III) A 50MM 5cm 5cm More than 10cm B 75MM 10cm 10cm More than 10cm
I. Purpose: Applicable for dust-free or low dust work area for lab, hi-tech manufacturing corporation (electronic, radio, computer chips and driver), and printing and board making, it is also applicable for cleaning such elements as precise instruments, lens, glass utensils, electronic elements and computer etc. II. Technical Parameters: Kimwipes * Single layer, soft and fine; * It can easily remove water and dust; * Without dust, anti-static when using; * Take out box, convenient for carrying. * Ordinary paper or fabric generate a lot of dust when using; * It may scratch the instrument; * It is difficult to control dosage. * It cant be easily cleaned, cause bacteria after using for several times. Kaydry * Double layer, applicable for wiping big area; * Instantly remove water and dust; * Soft and fine, it wont hurt the surface; * Without dust, anti-static when using; * Take out box, convenient for carrying. Crew * Applicable for using with chemical solvent, it wont corrosive; * Without dust, applicable for international standard cleaning room, Class100. * Multi-layer, tough, extremely high water absorption, it can absorb liquid which is 4-times of weight than itself; * Soft, it wont hurt the surface; * Anti-static package meets international standard EIAS541 * Particularly suitable for electronic, radio making, precise instruments, medical apparatus, microbiology, chemical and foods processing industry.
Optical Dome PARAMETER: BRD Optical dome lens is composed of two parallel optical surfaces, (A convex surface & A Concave surface). Normally we can control the parallel tolerance
Chain plate mesh belt The chain plate belt is very strong, driven by the stainless steel chain, stainless steel plate production, suitable for high density transportation in small, in the conveying process of stable operation, convenient installation and replacement, long service life. For medium and heavy load transportation. Steel plate bending forming hinge, pivot hinge and the chain will use both ends together. The chain can be used to fix the washer or cotter pin, cotter pin use convenient disassembly, convenient maintenance. The chain plate roughly divided: 1, according to the material: steel chain plate conveyor belt, galvanized plate chain conveyor belt, 201 stainless steel chain plate conveyor belt, 304 stainless steel chain plate conveyor and other stainless steel chain plate conveyor based on.2 shape: flat plate chain conveyor belt, with transverse baffle plate chain conveyor belt, with a side chain plate conveyor, chain plate conveyor belt (punching hole, long hole), with a convex chain plate conveyor belt.3, according to the form of transportation: direct transmission chain plate conveyor belt, turning chain plate conveyor belt. 4, the hinge chain plate conveyor belt, chip conveyor chain plate conveyor belt, steel chain plate conveyer belt. 5, double pitch chain chain plate belt, precision roller chain and chain plate conveyor belt.
Compact form with all the necessary arrangements for conducting Newton’ Ring experiment, a standard microscope until with 30x magnification and rotatable cross line, the microscope tube unit can be raised of lowered and can be clamped in any desired position, the Newton Ring set consisting of one plain and one plano convex lens placed in a metal case resting over the stage of the instrument which can be adjusted for the alignment and adjustable reflector plate is fitted in the required direction, a condenser lens is provided in front of reflector, supplied in beautiful storing cabinet
It consists of a 1 1/2 meter long stainless steel double rod optical bench with the following accessories.Lamp house : an electric bulb workable on 220V AC is encased in a metal caseMetal Screen White with cross slit : the slit has one white surface and other black Plane true tiltable mounted mirrorLens assembly consisting of combination of single & double lens holder on a mount rotating on a vertical axis. The Assembly is adjustable in height and can be moved by rack & pinion.
To demonstrate the phenomenon of interference of light using bi-prism and to understand the concept of interference, image formation width of fringes. It consists of 1 1/2 meter long stainless steel double rod optical bench with following accessories.Biprism holder having fine radial motion by screws. Adjustable slit with ground ss jaws Micrometer Eye Piece Ramsden’s 10x, carried on a slider which moves along a micrometer screw.Automatic lens holder with spring action for equal opening and closing of both ends