![[Usato] Tecnosky APO 90/540 FPL55 OWL Series](http://www.giordanoastronomia.it/cdn/shop/files/4230c206cb54f07ef9a664bc5b4cf00e_1a86cf3e-b693-40cd-9016-ca608a3038be.jpg?v=1791041705&width=800)
![[Usato] Tecnosky APO 90/540 FPL55 OWL Series – foto 3](http://www.giordanoastronomia.it/cdn/shop/files/Tecnosky-Rifrattore-Apocromatico-AP-90-540-OWL-Triplet-OTA.jpg?v=1791042275&width=800)
![[Usato] Tecnosky APO 90/540 FPL55 OWL Series – foto 4](http://www.giordanoastronomia.it/cdn/shop/files/Tecnosky-Rifrattore-Apocromatico-AP-90-540-OWL-Triplet-OTA_2f7cd5a3-9d13-4d3e-82bf-38b007fc06fb.jpg?v=1791042275&width=800)
![[Usato] Tecnosky APO 90/540 FPL55 OWL Series – foto 5](http://www.giordanoastronomia.it/cdn/shop/files/Tecnosky-Rifrattore-Apocromatico-AP-90-540-OWL-Triplet-OTA_b586fbf3-0fbd-4953-936e-095c04b1d074.jpg?v=1791042275&width=800)
![[Usato] Tecnosky APO 90/540 FPL55 OWL Series – foto 6](http://www.giordanoastronomia.it/cdn/shop/files/Tecnosky-Rifrattore-Apocromatico-AP-90-540-OWL-Triplet-OTA_95fd6bc1-49d6-453e-b3fc-007800b7292a.jpg?v=1791042275&width=800)
![[Usato] Tecnosky APO 90/540 FPL55 OWL Series](http://www.giordanoastronomia.it/cdn/shop/files/4230c206cb54f07ef9a664bc5b4cf00e_1a86cf3e-b693-40cd-9016-ca608a3038be.jpg?v=1791041705&width=300)
![[Usato] Tecnosky APO 90/540 FPL55 OWL Series – foto 3](http://www.giordanoastronomia.it/cdn/shop/files/Tecnosky-Rifrattore-Apocromatico-AP-90-540-OWL-Triplet-OTA.jpg?v=1791042275&width=300)
![[Usato] Tecnosky APO 90/540 FPL55 OWL Series – foto 4](http://www.giordanoastronomia.it/cdn/shop/files/Tecnosky-Rifrattore-Apocromatico-AP-90-540-OWL-Triplet-OTA_2f7cd5a3-9d13-4d3e-82bf-38b007fc06fb.jpg?v=1791042275&width=300)
![[Usato] Tecnosky APO 90/540 FPL55 OWL Series – foto 5](http://www.giordanoastronomia.it/cdn/shop/files/Tecnosky-Rifrattore-Apocromatico-AP-90-540-OWL-Triplet-OTA_b586fbf3-0fbd-4953-936e-095c04b1d074.jpg?v=1791042275&width=300)
![[Usato] Tecnosky APO 90/540 FPL55 OWL Series – foto 6](http://www.giordanoastronomia.it/cdn/shop/files/Tecnosky-Rifrattore-Apocromatico-AP-90-540-OWL-Triplet-OTA_95fd6bc1-49d6-453e-b3fc-007800b7292a.jpg?v=1791042275&width=300)
Technical data sheet
[Used] Tecnosky APO 90/540 FPL55 OWL Series f/6 – Triplet with Aluminum Case
Used item
Unique used item, at €999 instead of €1343.99 for the new one. The photos are those of the new product.
Unique used item, at €999 instead of €1343.99 for the new one. The photos are those of the new product.
The Tecnosky APO 90/540 OWL Series is an apochromatic refractor with an air-spaced triplet objective using Ohara FPL-55 glass: a fast f/6, excellent for both deep-sky astrophotography and visual observation. Each lens is certified with a minimum Strehl of 0.95. This used item is sold complete with an aluminum carrying case.
Key Features
- FPL-55 air-spaced triplet, FMC coating: color-corrected and pin-point stars.
- Individual interferometric certificate with a minimum Strehl of 0.95.
- 2.5" rack-and-pinion focuser, 1:10 micro-focuser, with field rotator.
- Ready for astrophotography: becomes an f/4.8 with a 0.8x reducer.
- CNC rings with Vixen bar and handle for immediate mounting.
Main Technical Specifications
| Brand | Tecnosky |
| Model | APO 90/540 FPL55 OWL Series |
| Condition | Used |
| Optical design | Air-spaced apochromatic triplet, Ohara FPL-55 glass |
| Aperture | 90 mm |
| Focal length | 540 mm |
| Focal ratio | f/6 (f/4.8 with 0.8x reducer) |
| Coating | FMC multi-coating |
| Strehl | minimum 0.95, interferometric certificate |
| Focuser | 2.5" rack-and-pinion, 1:10 micro-focuser, with field rotator |
| Eyepiece holder | 2" Quick-Lock, 2" → 1.25" adapter included |
| Rings | CNC rings with Vixen bar and handle |
| Length | 480 mm (520 mm with dew shield extended) |
| Weight | 4.89 kg |
| Included | Aluminum case, 2" → 1.25" adapter |
Free shipping
Take advantage of free shipping throughout Italy for orders over €199.99!
Take advantage of free shipping throughout Italy for orders over €199.99!
[Used] Tecnosky APO 90/540 FPL55 OWL Series f/6 – Triplet with Aluminum Case
Used item
Unique used item, at €999 instead of €1343.99 for the new one. The photos are those of the new product.
Unique used item, at €999 instead of €1343.99 for the new one. The photos are those of the new product.
The Tecnosky APO 90/540 OWL Series is an apochromatic refractor with an air-spaced triplet objective using Ohara FPL-55 glass: a fast f/6, excellent for both deep-sky astrophotography and visual observation. Each lens is certified with a minimum Strehl of 0.95. This used item is sold complete with an aluminum carrying case.
Key Features
- FPL-55 air-spaced triplet, FMC coating: color-corrected and pin-point stars.
- Individual interferometric certificate with a minimum Strehl of 0.95.
- 2.5" rack-and-pinion focuser, 1:10 micro-focuser, with field rotator.
- Ready for astrophotography: becomes an f/4.8 with a 0.8x reducer.
- CNC rings with Vixen bar and handle for immediate mounting.
Main Technical Specifications
| Brand | Tecnosky |
| Model | APO 90/540 FPL55 OWL Series |
| Condition | Used |
| Optical design | Air-spaced apochromatic triplet, Ohara FPL-55 glass |
| Aperture | 90 mm |
| Focal length | 540 mm |
| Focal ratio | f/6 (f/4.8 with 0.8x reducer) |
| Coating | FMC multi-coating |
| Strehl | minimum 0.95, interferometric certificate |
| Focuser | 2.5" rack-and-pinion, 1:10 micro-focuser, with field rotator |
| Eyepiece holder | 2" Quick-Lock, 2" → 1.25" adapter included |
| Rings | CNC rings with Vixen bar and handle |
| Length | 480 mm (520 mm with dew shield extended) |
| Weight | 4.89 kg |
| Included | Aluminum case, 2" → 1.25" adapter |
Free shipping
Take advantage of free shipping throughout Italy for orders over €199.99!
Take advantage of free shipping throughout Italy for orders over €199.99!
SKU:USA-TS-90540-OWL
[Used] Tecnosky APO 90/540 FPL55 OWL Series f/6 – Triplet with Aluminum Case
- Regular price
- €999,00
- Sale price
- €999,00
- Regular price
-
€1.343,99
Tax included.
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Paga in 3 rate da €333,00 senza interessi.
[Used] Tecnosky APO 90/540 FPL55 OWL Series f/6 – Triplet with Aluminum Case
Used itemUnique used item, at €999 instead of ...
Read more
[Used] Tecnosky APO 90/540 FPL55 OWL Series f/6 – Triplet with Aluminum Case
Used item
Unique used item, at €999 instead of €1343.99 for the new one. The photos are those of the new product.
Unique used item, at €999 instead of €1343.99 for the new one. The photos are those of the new product.
The Tecnosky APO 90/540 OWL Series is an apochromatic refractor with an air-spaced triplet objective using Ohara FPL-55 glass: a fast f/6, excellent for both deep-sky astrophotography and visual observation. Each lens is certified with a minimum Strehl of 0.95. This used item is sold complete with an aluminum carrying case.
Key Features
- FPL-55 air-spaced triplet, FMC coating: color-corrected and pin-point stars.
- Individual interferometric certificate with a minimum Strehl of 0.95.
- 2.5" rack-and-pinion focuser, 1:10 micro-focuser, with field rotator.
- Ready for astrophotography: becomes an f/4.8 with a 0.8x reducer.
- CNC rings with Vixen bar and handle for immediate mounting.
Main Technical Specifications
| Brand | Tecnosky |
| Model | APO 90/540 FPL55 OWL Series |
| Condition | Used |
| Optical design | Air-spaced apochromatic triplet, Ohara FPL-55 glass |
| Aperture | 90 mm |
| Focal length | 540 mm |
| Focal ratio | f/6 (f/4.8 with 0.8x reducer) |
| Coating | FMC multi-coating |
| Strehl | minimum 0.95, interferometric certificate |
| Focuser | 2.5" rack-and-pinion, 1:10 micro-focuser, with field rotator |
| Eyepiece holder | 2" Quick-Lock, 2" → 1.25" adapter included |
| Rings | CNC rings with Vixen bar and handle |
| Length | 480 mm (520 mm with dew shield extended) |
| Weight | 4.89 kg |
| Included | Aluminum case, 2" → 1.25" adapter |
Free shipping
Take advantage of free shipping throughout Italy for orders over €199.99!
Take advantage of free shipping throughout Italy for orders over €199.99!
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Free Shipping
Free shipping in Italy on orders over €199.99
24/48h delivery
If the product is available, it will be delivered within 24/48 hours.
Fast Deliveries
Fast Shipping with DHL or BRT
60-day return policy
Terms and conditions
You can return the product within 60 days of purchase. View the terms and conditions of sale.
From the date of purchase, you have 60 days to make a return.
Terms and conditions
You can return the product within 60 days of purchase. View the terms and conditions of sale.
Warranty up to 5 years
Discover how to get the 5-Year Warranty
Secure and certified payment methods
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Paga in 3 rate da €333,00 senza interessi.