Terms and Conditions Of Business


1.1 General
These General Terms and Conditions ("GTC") apply to all contracts between Alluna Optics and its contractor (customer), unless separate contractual conditions exist or otherwise expressly agreed in writing or legally compulsory.

2.1. Warranty 
We give all our products a 2 year warranty beginning from the date of delivery/handover.

Not included in the warranty:
Damage caused externally, for example, by acids, alkalis or impact and pressure.
Damage caused by improper cleaning of coated surfaces.
Damage caused by normal wear and tear - scratches, paint damage, colour changes. 
Damage caused by weather such as heat, humidity, rain, dust, pollen and lightning strikes.
Damage caused by war, riot, earthquake, fire or force majeure.
Damage caused by third-party software or hardware.
Damage caused by improper operation or structural modifications, repairs or alterations not authorized by Alluna Optics.

2.2. Extended Warranty 
In the case of standard telescopes, we extend the warranty period by an additional 3 years, voluntarily and without additional costs for the buyer, to a total of 5 years.

The extended warranty applies, as noted under item 2.1. "Warranty", for all mechanical and electrical components on the telescope. The extended warranty also includes optional accessories such as Instrument Rotator, Correctors, DustCover, TCS Hand Controller, as far as this was ordered together with the telescope.

The extended warranty is valid worldwide only for:
- Standard RC-Truss-Telescope size RC16, RC18, RC20, RC22, RC24 ordered from 01 January 2018
- Standard RC-Carbon-Tube-Telescope size RC16, RC18, RC20 ordered from 01 January 2018
- Standard new Newton astrographs size NA16, NA18, NA20 ordered from 01 January 2018
- Alluna Optics accessories ordered together with the telescope.

Not included in the extended warranty:
- CLOSED Carbon Tube telescopes
- 10micron mounting
- Special constructions of any kind
- Optics without telescope
- Used goods
- Components that are subject to natural wear (optical coatings of mirrors and lenses).

The extended warranty does not include any shipping costs to and from for the transportation of defective components. Defective components must be returned to Alluna Optics postage paid for repair or replacement.

2.3. Surface warranty for optics
For our parabolic mirror to 610 mm diameter, we guarantee a surface accuracy of 1/25 wave RMS at 632 nm over 98% of the diametrer.
For our parabolic mirror over 610 mm diameter, we guarantee a surface accuracy of 1/20 wave RMS at 632 nm over 98% of the diameter.

For our RC optics/two-mirror systems we guarantee 1/20 wave RMS at 632 nm over 98% of the diameter.
This gives the guaranteed minimum accuracy, in the normal case a higher quality is achieved.

All optics and systems are measured and certified to the best of our knowledge interferometrically. However, should an optical problem occur, we shall reprocess or will replace the optics, provided the glass and the coating is not damaged. Further liability is excluded regardless of the legal nature of the asserted claim. Normally, our mirrors are free of scratches. If, however, there are still sporadic, visible scratches or sleeks on the coated surface, this does not represent a deterioration of the optical performance and do not constitute grounds for complaint. Wells/pits in the µ area which can occur when being polished or coated do not constitute an impairment of the optical performance and are not grounds for complaint.

3.1. Coating Service 
Alluna Optics as a service offers the coating of mirror produced by other manufacturers. Mirrors sent to us for recoating or reprocessing a guarantee cannot be given in case of damage to the glass, which is caused by us or during transportation. We are only liable for the coating and our work, but in no case for damage to the substrate (breakage, scratches, damages of any kind) and damage during transportation. Any further liability, e.g. for subsequent damage is also excluded. By placing an order or sending, this condition is recognized. The delivery of goods undergoing servicing takes place only after payment of the costs incurred.

3.2. Contract work 
Paid labour is carried out according to the current technical standards of Alluna Optics. If it becomes clear during processing that service cannot be carried out completely in line with existing Alluna Optics standards, this does not entitle the buyer to require the completion of performance by a third party or to apply for this. 
All provided components/substrates made available by Alluna Optics for processing are to be insured by the buyer against breakage and damage. Liability or damages for provided products is excluded by Alluna Optics at any time. Any further liability, e.g. for consequential damages due to the delay or non-delivery of components/substrates is likewise excluded.

3.3. Technical specification
Production-related deviations from technical specifications contained in this website, brochures or drawings are possible at any time.

4.1. Down Payment & Payment
Alluna Optics manufactures optics and telescopes to order. For order processing a down payment at least 20% of up to 50% is required before starting work and full payment is required before shipment. Orders are carried out directly to the requirements of the customer. Upon cancellation of the order all previously incurred costs of materials and labour must be paid .
After completion respectively invoicing, the goods are to be paid within 30 days without deductions. Thereafter, provisioning costs of 1.5% of the invoice amount per started month, but at the latest for three months. 

4.2. Prices 
Prices stated on the website www.alluna-optics.de are in Euro and, unless stated otherwise, include the current German VAT. A deduction of discount on the invoice amount is not allowed. Prices on the English site www.alluna-optics.com are excluding VAT and apply outside of Germany. Please note that in the EU come for individuals 19% VAT added.
Shipping costs will be charged additionally depending on weight, size, destination location and destination country.

4.3. International delivery 
Alluna Optics delivers worldwide and adheres to the best of its knowledge and belief to the shipping and import regulations of the country concerned. Any additional charges for deliveries outside the European Union such as taxes or customs charges are the responsibility of the buyer. All additional fees such as fees for transfers shall be borne by the buyer.

4.4. Delivery 
Deliveries are made according to the weight and size by courier service or our company forwarding facility, internationally with airfreight . Every delivery is insured according to the actual goods value. Transport damage must be reported to the insurance company immediately. Later claims are not possible.
In optics, the packaging is already included in the price. In telescopes the price of the shipping box is charged additionally.

4.5. Delivery times 
Orders are processed upon receipt of the order. The stated delivery time for work is a guideline. We strive to adhere to this; this cannot be guaranteed, however. Compensation Due to late delivery is not possible. 

5.1. Miscellaneous 
This contract and the legal relations of the parties are subject to the laws of the Federal Republic of Germany, excluding the UN Sales Convention (CISG). 
If any provision of this Agreement be or become invalid or contain a loophole, the remaining provisions shall remain unaffected. Jurisdiction is Augsburg, Germany.

Alluna Optics 
Dr.-Jaufmann-Strasse 18
86399 Bobingen


Last updated 02/Jan/2020

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