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Camera development

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Portable LED Speaker: A Competitive Audio Product for Retailers and OEM/ODM Brands

Portable LED Speaker: A Competitive Audio Product for Retailers and OEM/ODM Brands

2026-10-27 10:55:03

The Portable LED Speaker combines 8W audio output, Bluetooth 5.3 connectivity, and colorful LED lighting in a stylish ABS plastic and fabric design. Supporting Bluetooth, TF card, USB, AUX, FM radio, and TWS connectivity, it offers versatile music playback for home entertainment, outdoor gatherings, travel, and everyday listening. Powered by a 1200mAh rechargeable battery with approximately 4–5 hours of playback, this multifunctional speaker is an ideal choice for retailers, wholesalers, and brands seeking competitive portable audio products. Jaskey Limited provides OEM/ODM customization services to support branding, product development, and wholesale cooperation.

Wearable Bluetooth Speakers: Industry Trends, Market Opportunities and OEM/ODM Innovation

Wearable Bluetooth Speakers: Industry Trends, Market Opportunities and OEM/ODM Innovation

2026-10-26 10:22:06

Discover the latest wearable Bluetooth speaker designed for portable, hands-free listening. Featuring Bluetooth 5.4, a 4W speaker driver, clip-on design, TWS interconnection, hands-free calling, and USB-C charging, it offers a practical audio solution for outdoor activities, cycling, travel, and everyday use. With OEM/ODM and private label customization options, it is suitable for brands, distributors, retailers, and e-commerce sellers looking to expand their portable audio product ranges.

Cube Bird Dancing Speaker: A Creative Bluetooth Speaker for Wholesale and OEM/ODM Opportunities

Cube Bird Dancing Speaker: A Creative Bluetooth Speaker for Wholesale and OEM/ODM Opportunities

2026-10-23 11:13:15

The Cube Bird Dancing Speaker is a creative Bluetooth speaker that combines a playful bird-inspired design with practical audio features. Equipped with Bluetooth 5.4, hands-free calling, TWS wireless connectivity and a 3W speaker, it delivers convenient wireless entertainment in a compact design. With up to 4 hours of working time, it is suitable for home, desktop use, parties and gift collections. Ideal for retailers, wholesalers and consumer electronics brands, this novelty speaker offers opportunities for product differentiation, seasonal promotions and OEM/ODM customization.

2-in-1 Bluetooth Speaker with TWS Earphones: A Versatile Audio Product for Growing Consumer Markets

2-in-1 Bluetooth Speaker with TWS Earphones: A Versatile Audio Product for Growing Consumer Markets

2026-10-22 11:57:37

The 2-in-1 Bluetooth Speaker with TWS Earphones combines a portable wireless speaker and true wireless earbuds in one convenient design. Featuring Bluetooth 5.3, a 5W speaker, F13 copper ring earbud drivers, and a 10–15m transmission range, it offers flexible listening for home, office, travel, and everyday entertainment. The earbuds provide approximately 4–5 hours of playback, while the speaker delivers 2–3 hours of music. Made from ABS plastic and silicone, this versatile audio product is ideal for consumer electronics brands, retailers, and gift markets seeking innovative wireless audio solutions.

Sport TWS Earphone: A Competitive Wireless Audio Solution for Retailers and Brands

Sport TWS Earphone: A Competitive Wireless Audio Solution for Retailers and Brands

2026-10-21 12:22:46

The Sport TWS Earphone features Bluetooth 5.4 connectivity, a compact charging case, and a lightweight ABS plastic design for convenient everyday wireless listening. With a transmission range of up to 10 meters, 2.5–4 hours of playback time, and a 200mAh charging case, it is suitable for commuting, leisure, and daily use. Jaskey Limited offers OEM/ODM cooperation opportunities for brands, wholesalers, importers, and retailers seeking reliable wireless audio products from an experienced China consumer electronics manufacturer.

Good feedback from Hong Kong Electronic 2026 Fair (Autumn Edition)

Good feedback from Hong Kong Electronic 2026 Fair (Autumn Edition)

2026-10-20 14:16:44

Thanks for visiting our booth in Hong Kong Electronic 2026 Fair (Autumn Edition)

Bluetooth Wood Headphones: Market Trends and OEM/ODM Opportunities for Audio Brands

Bluetooth Wood Headphones: Market Trends and OEM/ODM Opportunities for Audio Brands

2026-10-20 10:45:55

Bluetooth wood headphones, wooden Bluetooth headphones, wood and metal headphones, Bluetooth on-ear headphones, China headphone manufacturer, OEM Bluetooth headphones, ODM headphone manufacturer, private label headphones, Qualcomm aptX headphones, 40mm dynamic driver headphones, custom wireless headphones, headphone product development, China audio manufacturer

China Waterproof Portable Bluetooth Speaker: A Practical Product Opportunity for Global Audio Brands

China Waterproof Portable Bluetooth Speaker: A Practical Product Opportunity for Global Audio Brands

2026-10-19 10:44:04

The China Waterproof Portable Bluetooth Speaker combines durable design with versatile audio performance for outdoor and everyday use. Featuring Bluetooth 5.3, hands-free calling, TWS connectivity, TF card and AUX support, it offers flexible listening options in a compact ABS and silicone design. With a 1800mAh battery and water-resistant construction, it is suitable for travel, camping, beach outings, and daily entertainment. Jaskey Limited provides OEM/ODM customization services for brands, distributors, and importers seeking reliable portable Bluetooth speaker solutions.

WiFi Alexa Smart Speaker: Industry Trends, Market Opportunities and OEM/ODM Development

WiFi Alexa Smart Speaker: Industry Trends, Market Opportunities and OEM/ODM Development

2026-10-16 14:00:53

The WiFi Alexa Smart Speaker combines voice control, wireless audio, and smart home connectivity for convenient everyday living. Featuring support for Alexa skills, compatible Tuya smart home devices, multilingual interaction, and app-based control, it offers a practical solution for modern connected homes. With a compact design, 5W speaker output, and 2.4GHz WiFi connectivity, it is suitable for bedrooms, living rooms, and home office environments.

Outdoor Speaker with Light: A Market Opportunity for Audio Brands, Retailers and Distributors

Outdoor Speaker with Light: A Market Opportunity for Audio Brands, Retailers and Distributors

2026-10-15 11:58:11

The Outdoor Speaker with Light combines portable audio and ambient lighting in a compact ABS plastic design. Featuring Bluetooth 5.0, USB and TF card playback, a 5W speaker, and a 1200mAh rechargeable battery, it offers versatile entertainment for outdoor activities, home gatherings, camping and travel. With 4–5 hours of working time and multiple playback options, this portable Bluetooth speaker is ideal for retailers, distributors and brands seeking differentiated audio products. OEM/ODM customization and private-label opportunities are available for global markets.

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phone. Number: 0086-755-82239330-808
Email address: info@jaskeyworld.com
Office address: 4th Floor, Building 1, Xingji Center, Danzhutou Industrial Zone, Longgang District, Shenzhen

Camera development

2022-01-07 12:02:46
The earliest cameras had a very simple structure, including only a camera obscura, lens and photosensitive materials. Modern cameras are more complex, with lens, aperture, shutter, distance measurement, viewfinder, light metering, film transport, counting, Selfie, focus, zoom and other systems. Modern cameras are a combination of optics, precision machinery, electronic technology and chemistry. Complex products.
In 1550, Cardano of Italy placed the biconvex lens at the original pinhole position, and the image effect was brighter and clearer than the dark box.
In 1558, Barbaro of Italy added an aperture to Cardano's device, which greatly improved the image clarity; in 1665, the German monk John Zhang designed and produced a small portable single-lens reflex imaging camera obscura Because there were no photosensitive materials at that time, this kind of dark box could only be used for painting.
In 1822, Niepce of France produced the world's first photo on photosensitive material, but the image was not clear and required eight hours of exposure. In 1826, he took another photo through a black box on a tin substrate coated with photosensitive asphalt.
In 1839, France’s Daguerre made the first practical silver version of the camera. It was composed of two wooden boxes. One wooden box was inserted into the other for focusing, and the lens cap was used as a shutter. Control up to 30 minutes of exposure time, can shoot clear images.
In 1841, the optician Vogeland invented the first all-metal camera. The camera is equipped with the world's first photographic lens designed by mathematical calculations with a maximum phase aperture of 1:3.4.
In 1845, German von Martens invented the world's first turning machine that could pan 150°. In 1849, David Bruster invented a stereo camera and a dual-lens stereo viewer. In 1861, physicist Maxwell invented the world's first color photograph.
In 1860, the British Sutton designed the original single-lens reflex camera with a rotatable mirror viewfinder; in 1862, the French Detrie stacked two cameras together, one for viewing and the other for taking pictures. It constitutes the original form of a dual-lens camera; in 1880, the British Baker made a dual-lens reflex camera.
In 1866, German chemist Schott and optician Aju invented barium crown optical glass at Zeiss, which produced a positive light photographic lens, which enabled the rapid development of the design and manufacture of photographic lenses.
With the development of photosensitive materials, in 1871, a dry plate coated with silver bromide photosensitive material appeared, and in 1884, a film using nitrocellulose (celluloid) as a substrate appeared. In 1888, the Kodak Company of the United States produced a new type of photosensitive material-a soft, windable "film". This is a leap forward for photosensitive materials. In the same year, Kodak invented the world's first portable box camera with film installed.
In 1906, American George Silas used a flashlight for the first time. In 1913, the German Oscar Barnack developed the world's first 135 camera.
From 1839 to 1924, in the first stage of the camera development, some novel button-shaped and pistol-shaped cameras also appeared.
From 1925 to 1938 was the second stage of camera development. During this period of time, German companies such as Leitz (the predecessor of Leica), Rollei, and Zeiss developed and produced dual-lens and single-lens reflex cameras with a small size and aluminum alloy body.
With the advent of magnification technology and microfilm, the quality of the lens has improved accordingly. In 1902, Rudolf of Germany made use of the three-level aberration theory established by Seidel in 1855 and Abbe's successful high-refractive-index and low-dispersion optical glass in 1881 to make the famous "Tianstop" lens. The reduction of various aberrations greatly improves the image quality. On this basis, in 1913, Barnack in Germany designed and produced a small Leica camera with 35 mm film with small holes in the negative-Leica single-lens rangefinder camera.
However, 35mm cameras of this period all used see-through optical rangefinder viewfinders without rangefinders.
In 1931, the German Contex camera was equipped with a dual-image coincidence rangefinder using the principle of triangular rangefinder, which improved the accuracy of focusing, and first adopted an aluminum alloy die-cast body and a metal curtain shutter.
In 1935, the Exakto single-lens reflex camera appeared in Germany, which made focusing and changing lenses more convenient. In order to make the camera exposure accurate, Kodak cameras began to use selenium photocell exposure meters in 1938. In 1947, Germany began to produce the Contex S-shaped roof pentaprism single-lens reflex camera, so that the viewfinder image was no longer upside down, and the top view was changed to head-up focusing and viewfinder to make photography more convenient.
In 1956, the Federal Republic of Germany first produced an electric eye camera that automatically controlled exposure; after 1960, cameras began to use electronic technology, and a variety of automatic exposure modes and electronic program shutters appeared; after 1975, camera operations began to be automated.
Before the 1950s, Japanese camera production was mainly based on the introduction of German technology and imitating it. For example, in 1936, Canon imitated the 35mm rangefinder camera with the L39 interface according to the Leica camera. Nikon only imitated Contex in 1948. Out of the rangefinder camera.
PENTAX's predecessor, Asahi Optical Industry Co., Ltd. began to produce lenses in 1923. With the expansion of the Japanese war of aggression, the Japanese military's demand for optical instruments has increased sharply. Japanese optical instrument factories such as Nikon, Pentax and Canon have received a large number of military orders. The Japanese invaders produced telescopes, theodolites, aircraft optical sights, sights, optical rangefinders, and other military optical instruments. With the end of the war, these military orders were no longer available. After the war, military industrial enterprises had to turn to the production of civilian goods for survival. Optical instrument manufacturers Nikon, Canon, and Pentax all started camera production.
In 1952, Pentax introduced German technology and introduced the German "PENTAX" brand to produce the first camera of "Asahi Optics". In 1954, Japan's first single-lens reflex camera was manufactured by Asahi Optics-Pentax Company. As a rising star of Japanese cameras in 1957, Japan's first Wuling mirror optical framing SLR camera was produced. Since then, Minolta, Nikon, Mamiya, Canon, Ricoh and other companies have rushed to imitate and improve SLR cameras and lens technology, which promoted the development of civilian camera technology in Japan. The focus of world SLR camera technology has gradually shifted from Germany to Japan.
In 1960, Pentax introduced the PENTAX SP camera, pioneering the camera's TTL automatic light metering technology.
In 1971, Pentax’s SMC coating technology applied for a patent, and applied SMC technology to develop and produce an SMC lens, which greatly improved the color reproduction and brightness of the lens, as well as the elimination of flare and ghosting, thereby significantly improving the lens. quality. Thanks to the SMC technology, the optical quality of Pentax lenses has been greatly improved since then, and many Pentax lenses have been praised by professional photographers, even surpassing the top German Zeiss lens, achieving the temporary glory of Pentax cameras. (SMC is the abbreviation of English Super-Multi Coating, which means super multi-layer coating technology. Using this technology, the single reflection rate of light between the lenses in the lens can be reduced from 5% to 0.96-0.98%. The light transmittance is as high as 96% or more.) Although almost all camera lenses produced by manufacturers claim to use SMC technology, actual measurements have proved that the best at this point is the Pentax lens.
In 1969, the CCD chip was used as a camera photosensitive material in the camera mounted on the American Apollo moon landing spacecraft, laying the technical foundation for the electronicization of photographic photosensitive materials.
In 1981, after years of research, Sony produced the world's first video camera using CCD electronic sensors as photosensitive materials, laying the foundation for electronic sensors to replace film. Immediately afterwards, Panasonic, Copal, Fuji, and some electronic chip manufacturers in the United States and Europe have invested in the technical research and development of CCD chips, laying the technical foundation for the development of digital cameras. In 1987, a camera using CMOS chip as photosensitive material was born in Casio

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