Sony Alpha 5000 for astronomy

Sony Alpha 5000 for astronomy

Sony Alpha system camera 5000 (Full HD, 20 megapixels, Exmor APS-C HD CMOS sensor, 7.6 cm (3 inch) swivel display) silver incl. SEL-P1650 lens (Electronics)

Customer Review

For nature, leave, child, family, club and astronomy I bought the camera, and am very happy with it. Especially me the HDR function has thrilled that composes a high-contrast scene with three differently exposed images of a better image. Since there is already enough recessions on this camera, I would like to highlight the particular aspects of astronomy.
1. An adapter from E-mount bayonet to T2 thread (Astronomy Standard), there are commercially.
2. The camera can be operated with non-system lenses (telescopes).
3. Lighter weight of 269 grams compared to an SLR (telescopic load).
4. The small 2-fold pixel size (Bayer filter, 2 x 2 pixels for a red-green-blue-green point) of 8.6 x 8.6 microns, which are 0.8 arcseconds at a telescope with 2 m Focal length.
5. Folding monitor for relaxed focusing and setting the telescope.
6. Manual focus with monitor magnification of 6- and 12-fold possible. The magnification view can be displayed as long as desired and also changed.
7. Manual exposure to minutes (BULB) in manual mode.
8. For a very long time continuous shooting, an external power supply of the camera is possible.
9. An automatic switch-off of non-active camera can be prevented for many minutes.
10. A hand-operated remote trigger is connected to the wire-based accessories (RM-VPR1, 65) possible. The free Sony smartphone-app Smart Remote Unfortunately, the exposure time can not be selected.
11. A timer-controlled remote trigger certainly with the Sony smartphone app Lapse (10) the same exposure problems. A drahtgebunde DIY solution I've been using the original Sony VCM AVM1 adapter cable (25) of the 15-pin multi / microUSB connector to soldered 3-pole 2.5mm stereo jack realized (brown wire for the connector Tip, black wire for the plug-center ring, wire mesh for the outer metal socket. Red, orange, yellow and green are not required). In the jack, a timer trigger is then plugged in (should be compatible with RS-60E3 Canon, z. B. by JJC to 30). See also on the Internet under the headings Sony userforum muecar. In the bush alternatively a simple remote shutter without timer function inserted.
12. The PC-software Sony Image Data Converter enables the Sony RAW .arw (probably 12 bits per color, rather than 8 bits for JPEG) in the TIF format to convert (50 or 100 MB / photo) to (eg stacking) special astronomy-evaluation system programs to use. The free software IrfanView with the plug-in Format.dll can also generate TIF files (5MB / image).
13. For long-exposure photographs is the same length automatically internally illuminated dark image (display message: processing) to downstream automatic sensor pixel correction (hot pixels) taken into account. This eliminates the separate dark image (drakframe) production of energy for later correction in the PC. However, the recording time is doubled it. Low High ISO NR-noise reduction setting reduces or does not prevent the operation.
Whether the wavelength 656.28 nm red light (H-alpha of star forming regions) is already very weakened by the camera filter in front of the chip is to be verified.

Jokes Rank: 5/5
May 26
Great voice 4 Rank: 5/5
March 3
Not ideal for steaks. Rank: 3/5
February 4
Book well designed Rank: 5/5
January 13
Ergonomics close to perfection! Rank: 5/5
November 7

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