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2. Through-the-lens metering - Wikipedia

   en.wikipedia.org/wiki/Through-the-lens_metering

   The first camera to feature through-the-lens light metering was by Japanese company Nikon, with a prototype rangefinder camera, the SPX. The camera used Nikon 'S' type rangefinder lenses. [1] The Japanese company Pentax was the first manufacturer to show an early prototype 35 mm behind-the-lens metering SLR camera, which was named the Pentax ...

3. Flash (photography) - Wikipedia

   en.wikipedia.org/wiki/Flash_(photography)

   Using on-camera flash will give a very harsh light, which results in a loss of shadows in the image, because the only lightsource is in practically the same place as the camera. Balancing the flash power and ambient lighting or using off-camera flash can help overcome these issues. Using an umbrella or softbox (the flash will have to be off ...

4. Lens adapter - Wikipedia

   en.wikipedia.org/wiki/Lens_Adapter

   This lens adapter is a passive adapter designed for mounting a Nikon F-mount lens to a Micro Four Thirds camera. Active lens adapter: Canon EF to Sony E. In photography and videography , a lens adapter is a device that enables the use of camera and lens combinations from otherwise incompatible systems.

5. Nikon Z-mount - Wikipedia

   en.wikipedia.org/wiki/Nikon_Z-mount

   Nikon Z6 showing wide-diameter lens mount and full-frame sensor. Nikon Z-mount (stylised as ) is an interchangeable lens mount developed by Nikon for its mirrorless digital cameras. In late 2018, Nikon released two cameras that use this mount, the full-frame Nikon Z7 and Nikon Z6. In late 2019 Nikon announced their first Z-mount camera with an ...

6. Canon EOS flash system - Wikipedia

   en.wikipedia.org/wiki/Canon_EOS_flash_system

   Evaluative-Through The Lens (E-TTL) is a Canon EOS flash exposure system that uses a brief pre-flash before the main flash in order to obtain a more correct exposure. Unlike TTL and A-TTL metering, which use a dedicated flash metering sensor mounted in the base of the mirror box, E-TTL uses the same evaluative metering sensor used for ambient ...

7. Flash comparison - Wikipedia

   en.wikipedia.org/wiki/Flash_comparison

   Nikon and Canon and Sony versions Can update firmware over USB Nissin Di866 [16] 60m/198 ft @105mm (overrated) PC 18, 24-105mm 1/1-1/128, 1/3 EV i-TTL/CLS (Nikon) E-TTL/E-TTL II (Canon) yes yes 5.5sec yes, both i-TTL and basic slave Nikon and Canon versions Can update firmware over USB Has sub-flash Pentax AF-200FG [17] 20m No 28mm 1/1, 1/2, 1/ ...

8. Nikon Z50 - Wikipedia

   en.wikipedia.org/wiki/Nikon_Z50

   Z50 logo. The Z50 is an upper entry-level APS-C mirrorless camera (1.5x APS crop) announced by Nikon on October 10, 2019. [1] It is Nikon's first Z-mount crop sensor camera body. With its introduction, Nikon also announced two crop-sensor Z-mount lenses. It is the third Z-mount camera body after the Nikon Z7 and Nikon Z6. The camera yields a 20 ...

9. iISO flash shoe - Wikipedia

   en.wikipedia.org/wiki/IISO_flash_shoe

   When the flash is fully inserted, a spring-loaded latch on the flash locks into the indentation in the middle of the flash shoe. Detachment The user presses the unlock button on the flash body, which, by means of a lever or a wedge mechanism disengages the locking latch, enabling the user to slide off the flash from the camera body.