The Camera Obscuras - The Camera Obscura At Castelo São Jorge

The history of Castelo de São Jcameragpc.come

It is believed Castelo de São Jcameragpc.come was built during the Islamic occupation in the 10th century. Previous human occupation has also been identified, & the castle holds an incredible history. Little is known about the Iron Age & the Roman period. During the Moorish occupation, you could find the Medina within the castle walls, but the castle we see today is a remnant of the period following the reconquest of Lisboa.

2. The Garden và former palace

In the middle of the monument, you’ll find the remains of the Royal Palace. The palace was once connected with the southwest corner of the castle, và you can still see some of these remains. It was called thePalace of Senhor Afonso. Therefore, it is believed King Afonso III was responsible for the palace.

3. Inside the castle

Make your way to the castle’s main gateway underneath Torre de Ulisses, the Tower of Ulysses. The castle is located in the complex’s northwest corner, và you’ll reach it by crossing the stone bridge. The gate leads you to the pátio de armas, the courtyard of arms.

From there, you can climb up khổng lồ the walkway around the walls. The castle has a quadrangular layout with ten towers khổng lồ the exterior wall and one tower in the middle of the two patios. You can climb on top of several towers for the breathtaking views of the city! The castle was the citadel’s last stronghold, located on the highest point of the complex.

4. Camera Obscura

At mix times, you can have a look in the black Chamber. Here, you’ll find a camera obscura, an optical system which shows youa detailed 360º view of Lisbon. The system uses mirrors and lenses khổng lồ create a view in real-time. The camera obscure is mở cửa between 10 AM & 5:20 PM & is located at Torre de Ulisses.

5. The towers

The wall is fortified by 11 towers with three entrance gates. The Main Gate has a stone bridge, and the East Gate has a metal bridge. The last entrance is the Gate of Betrayal, a hidden gateway. You’ll see the Barbican on the southern và eastern sides, a low wall to lớn help protect the main castle walls.

6. Thearchaeologicalsite

On the castle grounds, you’ll also discover some incredible ancient treasures. The oldest remains are from the time of the Phoenicians, and within the castle complex, you can visit the remnants of the Iron Age. Archaeologists have found many gems, such as pots and cups, over the years.

Tickets for São Jcameragpc.come Castle

You can buy your ticket for€ 15,00 per adultat the ticket office. Children between 13 và 25 years old pay only € 7,50 to lớn enter the castle grounds. People over 65 và people with disabilities receive a reduced rate of € 12.50. Children under the age of 12 and Lisbon residents can enter for free! There are also ticket machines in the ticket office. Vì chưng you want khổng lồ skip the queue? You canbuy your tickets online to lớn save time. These tickets include an audio or tour guide to lớn learn more about the castle.

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The surroundings of the castle

Not only will you enjoy the beauty of the walls inside, but there is plenty to lớn see in the surrounding streets! This area is freely accessible & has lovely places khổng lồ eat & stay. You can enter the main gate to the castle (Arco bởi vì Castelo) free of charge and look around the quiet streets around the church Igreja Paroquial de Santa Cruz bởi Castelo. I vì chưng many photo shoots in Lisbon in this residential area, which is so picturesque!

Discover the rest of Alfama

Alfama’sneighbourhoodis another must-see location. You’ll discover sights lượt thích the
Sé de Lisboa, Miradouro da Santa Luzia, the
Pantheonand
São Vincente de Forahere. On a rainy day in Lisbon, you can visit the
Fado Museumand enjoy a Fado show afterwards. Or look in the
Azulejo Museum, just a 30-minute walk away & discover the stunning tiles.

Hotels around the castle

Around the castle are somemesmerising hotels và apartmentswhere you can stay. Now that’s an accommodation in style!Some recommendationsare
Dalma Old Town Suites,Solar vì Castelo, and
Apartments Center Castelo de São Jcameragpc.come. For all other accommodations in Alfama, check the bản đồ below!

The camera obscura in the Tower of Ulysses, St Geoge’s Castle (Castelo de Sao Jcameragpc.come) in Lisbon was installed in 1998 by Sinden Optical a UK company. A walkway along the wall top which liên kết to the tower allows 360 degree view of the city.

Specification:

Focal length - 7.4 m

Lens diameter - 311mm

Screen - 2.25 m diam.

In 1644 the Villavicencio family constructed this baroque palace, which was built over the ruins of an old Islamic palace. The camera obscura is on the top floor of the tower giving a birds-eye view of the city & surrounding countryside. Built by Sinden Optical in 1998 it has two mirrors available for use - one is resilvered each year. Sometimes closed, as the optics are vulnerable lớn high winds.

Specification:

Focal length - 4.9 m

Lens diameter - 300mm

Screen - curved 2 m diam.

Cadiz is famous for its watchtowers built during the 18th c. The Tavira tower was part of the palace of the Marquis of Recano và was designated as the official watchtower for the town, being the highest lookout point at that time.

The camera obscura was built & installed by the Sinden Optical Co. In 1994 as a result of a visit lớn the camera obscura in Edinburgh by Belin Gonzalez. She was inspired to lớn replicate it in Cadiz and responsible for other camera obscuras built by Sinden Optical in Spain.

Specifications:

Focal length - 5.18 m

Lens diameter - 305 mm

Screen - approx. 2 m dia.

The castle was completed in the 15th c. And is surrounded by a moat , with crenellated walls, towers và a drawbridge entry.

The camera obscuras are in one of the corner towers overlooking the entrance to lớn the castle, where reputedly the contessa could scutinise visitors prior lớn entry. The optics consist of a meniscus prism which forms an image on a concave screen mounted on a low table as shown in the lower photograph. The chamber has a round wall with the system replicated on the opposite side.

Specification (estimated):

Focal length - 1.5 m

Prism length - 65 mm

Screen width - 650 mm

In the tower of the late baroque Lyceum - today a teacher training college - is Hungary’s first astronomical museum, the Specula Observatory originally built in 1776 by the Astronomer Royal Maximimillian Hell SJ who also designed the camera obscura .