Basix Start Clix profile composition

Ovio instruments

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Complete set for conducting geometric optics experiments with one or more lenses
Aluminum profiled bench available in 2 lengths: 2 m and 1.2 m

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€289.17 €347.00 Instead of €386.40 Incl. €0.00 eco-part (Incl. Tax)

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Model

Model
	SKU	Longueur	Graduation	Price	Available	Amount Basket
	204647	1.20 m	-20 to 100 cm, every mm	€289.17 €347.00 Instead of €386.40 -10%	Replenishment in progress	− +
	202711	2 m	-20 à 180 cm, every mm	€325.00 €390.00 Instead of €435.40 -10%	In stock from the 12/01/2026	− +

Presentation

Basix Start Clix Profile Composition – A Complete Kit for Introduction to Geometrical Optics

The Basix Start Clix profile composition is specially designed for teachers who want to introduce their students to the basics of optics in middle and high school. This complete set makes it easy to perform geometrical optics experiments with one or more lenses, providing clarity and reliability with every use.

Its anodized aluminum profile bench, available in two lengths (2 m and 1.2 m), ensures robustness and stability while remaining easy to integrate into school laboratories. The presence of Clix circular mounts ensures quick and intuitive positioning of components. This starter set is perfectly suited for exploring focometry and allows for effective execution of fundamental experiments in middle and high school.

What Educational Experiments Can Be Conducted?

Image Formation by a Thin Lens

Hands-on activities to understand image formation and fundamental optical relationships.

Conjugation Laws: Study of the relationship between the object position, image position, and focal length (application of conjugation equations).
Experimental Demonstration: Observation of the image position and size depending on the object-lens distance (concepts of real/virtual image, upright/inverted image, and magnification).

Determination of the Focal Length of a Converging Lens

Several experimental methods adapted for school teaching and practical lab sessions.

Autocollimation Method: A converging lens is placed against a plane mirror to obtain a sharp image of the same size as the object but inverted. Using this method, the focal length of the lens corresponds to the distance between the lens center and its image.
Bessel Method: Use of two symmetrical lens positions that produce a sharp image; the difference in positions allows calculation of the focal length.
Silbermann Method: This is a special case of the Bessel method, also called the 2f-2f method.

Is This Product Suitable for the High School Physics Curriculum?

Yes. The proposed manipulations and protocols (image formation by thin lens, focal length determination by autocollimation, Bessel method, and Silbermann method) are directly aligned with the educational objectives of science courses in high school—from 10th grade through 12th grade specialty. They allow a progressive and officially compliant approach to the concepts of conjugation, focal length, and experimental measurements.

Correspondence Between Experiments, Levels, and Curriculum Points

Experiments	Relevant Levels	Targeted Curriculum Points
Image Formation by a Thin Lens	10th Grade, 11th Grade Specialty	- Qualitative study of optical image formation by converging lenses - Conjugation laws (linking object position, image position, and focal length) - Observation of image size and sharpness according to object-lens distance
Determination of the Focal Length of a Converging Lens	11th Grade Specialty, 12th Grade Specialty	- Experimental measurements of the focal length of a converging lens - Experimental exploitation and modeling of optical systems - The autocollimation, Bessel, and Silbermann methods deepen the study of focal length, consistent with experimental practices

What items are included with this setup?

- 1 Basix aluminum profiled bench with adjustable feet, 1.2 m (ref. 202959) or 2 m (ref. 202958)
- 4 Basix Start clamps (ref. 202861)
- 1 LED lantern with frosted "d" object, condenser, and power supply (ref. 204596)
- 2 low-profile Clix holders (ref. 204245)
- 2 Clix magnetic rings (ref. 204201)
- 1 set of 7 lenses - 2 mirrors (ref. 202251)
- 1 grid screen (ref. 202955)
Delivered with a cardboard storage case.

What extensions or accessories can be combined with this product to enhance experiences on the optical bench?

- Diffraction set (ref. 212085)
- Diffraction and interference set (ref. 204337)
- CCD sensor (ref. 209007)
- Clix 360 polarization set (ref. 204338)
- LCD supplement (ref. 204339)

Technical Features

Type of benches	Basix
Component type	4 carriers, 1 bench, 1 screen, 1 lantern, 7 lenses and 2 mirrors, 2 component holders