Used Sony a7iii camera (body only) w/Astronomik O-III 12nm filter
Used Sony a7iii camera (body only) w/Astronomik O-III 12nm filter
Used Sony a7iii camera (body only) w/Astronomik O-III 12nm filter
Used Sony a7iii camera (body only) w/Astronomik O-III 12nm filter
Used Sony a7iii camera (body only) w/Astronomik O-III 12nm filter
Used Sony a7iii camera (body only) w/Astronomik O-III 12nm filter
Used Sony a7iii camera (body only) w/Astronomik O-III 12nm filter
Used Sony a7iii camera (body only) w/Astronomik O-III 12nm filter

Sony

Used Sony a7iii camera (body only) w/Astronomik O-III 12nm filter

SKU: U2410-GM-ILCE7M3/B


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  • $1,249.95
  • $2,117.00

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This is a Sony a7iii body in excellent condition, completely clean, both body and sensor.  Comes in its original box, including the original manuals, plus the cords and strap which appear to have never been used.  The previous owner told us that this unit has been specifically modded for astronomical use.  It's an excellent DSLR to not only start out with but also progress in astrophotography.  

This also includes an Astronomik O-III 12nm clip-in filter for the Sony, which is also in great shape:  clean, no marks on the filter or body.  The filter is a $320 value!  

   

   

  • Advanced 24.2MP BSI full frame Image Sensor w/ 1.8X readout speed.Aspect Ratio - 3:2, Headphone Terminal : Yes (3.5 mm Stereo minijack), Mic Terminal : Yes (3.5 mm Stereo minijack). Brightness Control (Viewfinder) : Auto/Manual (5 steps between -2 and +2).
  • 15 stop dynamic range, 14 bit uncompressed RAW, ISO 50 to 204,800. Compatible with Sony E mount lenses. Can be connected via Bluetooth with smartphones featuring (as of the date of release)- Android (Android 5.0 or later, Bluetooth 4.0 or later), iOS (Bluetooth 4.0 or later)
  • Up to 10fps silent or mechanical shutter with AE/AF tracking. Battery life (Still Images): Approx. 610 shots (Viewfinder) / approx. 710 shots (LCD monitor), battery life (Movie, continuous recording): Approx. 200 min (Viewfinder) / Approx. 210 min (LCD monitor)
  • 693 phase detection / 425 contrast AF points w/ 93 percent image coverage. Focus sensor: Exmor R CMOS sensor
  • In the box: Rechargeable battery (NP FZ100), AC adapter (AC UUD12), shoulder strap, body cap, Accessory shoe cap, Eyepiece cup, Micro USB cable. Metering type: 1200 zone evaluative metering    

Astronomik OIII 12 nm CCD Sony Alpha 7 Clip Filter

  • Astronomik 12 nm OIII CCD Sony Alpha 7 clip format filter for MkI, MkII, and MkIII versions of Sony Alpha 7, 7r, 7r IV, and 7s camera models
  • Specifically designed for astro-imaging pursuits
  • Nearly 100% OIII line transmission
  • FWHM bandwidth of approximately 12 nm
  • The ideal filter for photographing planetary nebulae and the remnants of supernovae
  • Coatings protect amazingly well against scratching, aging, and humidity
  • Diffraction limited, this filter will maintain the optical efficiency of your telescope
  • German-made for excellent optical quality!

This Astronomik OIII CCD Filter, a narrowband emission-line filter for CCD astrophotography, features a full width at half maximum (FWHM) of 12 nm. This is optimal for use with typical CCD cameras, enabling the use of extremely fast optics. This filter permits the light of double ionized oxygen from emission nebulae pass through while blocking close to the entire rest of the spectrum in the areas where the CCD is sensitive. The aperture ratio range ideally suited for this filter is 1:3 to 1:15. It should also be acknowledged that Astronomik O-III CCD Filters have an up to 99% transmission, a figure that cannot be attained by stacking extra narrowband filters. An additional note on the dark current of typical CCD imagers: exposures with a CCD cooled to -15°C are constricted by the CCD's dark current, even in large metropolitan areas with a heavily illuminated background. This directly influenced the 12 nm FWHM choice. A further benefit of this 12 nm filter is the easier availability of guiding stars for cameras that have an integrated autoguider.

Highlighting the contrast between OIII emission line objects and the background sky, the Astronomik OIII CCD Filter provides complete suppression of spurious light sources such as mercury (Hg), sodium (Na), and skyglow. Loss of transmission and color distortions, while a nuisance with filters from other brands, only becomes a problem with this filter when ultra bright aperture ratios of 1:2 or more are used. Since the Astronomik OIII 12 nm CCD Filter has a built-in IR-blocker up to 1150 nm, extra IR blocking filters are not required.

Obtaining three-color images of emission line gas nebulae when imaging in heavily light polluted areas is possible if you use this Astronomik OIII CCD Filter in collaboration with the H-alpha and SII CCD filters. After capturing an image in three separate wavelengths, you can use Photoshop to select each as a color-channel, and combine them into a single color image. Diffraction limited, this filter will not have any negative influence on the optical performance of your telescope! All Astronomik filters come with a durable, high-quality plastic storage container.

Astronomik Sony Alpha 7 Clip Filter System

Astronomik's exclusive Clip-Filter system is made from black anodized aluminum and laser-cut using ultra modern machinery. This filter can be directly inserted into the camera body of MkI, MkII, and MkIII versions of Sony Alpha 7, 7r, 7r IV, and 7s models in just seconds. No modifications are required and all lens functions such as focus, screen, and image stabilization, continue to be operational! In addition, this system also serves as a dust protector, preventing dust from accumulating on your sensor during long exposures.

 

Alpha 7 III - Full-frame Interchangeable Lens Camera 24.2MP, 10FPS, 4K/30p

Newly developed sensor, evolved image processor
A new version of the 24.2-megapixel Exmor R™ CMOS sensor, now featuring a back-illuminated structure, is combined with the latest BIONZ X™ image processing engine and front-end LSI, and this combination achieves a data readout speed that is two times faster and data processing capability that is 1.8 times higher.
Back-illuminated full-frame sensor

Higher sensitivity and readout speed

The 35-mm full-frame CMOS image sensor with back-illuminated structure enhances light collection efficiency, expands circuitry scale, and, with the help of a copper wiring layer that contributes to quicker data transfer, outputs data at very high speed, while minimizing noise to reveal fine details in every picture.

1) Conventional structure 2) Back-illuminated structure a. Light-receiving surface b. Gapless on-chip lens c. Aluminum wiring layer d. Photodiode substrate e. Copper wiring layer

Reducing noise in high-resolution images
Standard ISO range is extended to ISO 100-51200 (expandable to ISO 50-204800 for stills), while Detail Reproduction and Area-specific Noise Reduction technologies maintain image details and cut noise. With highly effective performance in mid-to-high sensitivity ranges, you can shoot at high ISO with no concerns about noise or image deterioration.
Subtle gradation from shadow to highlight
Approx. 15-stop dynamic range at low-sensitivity settings is achieved, thanks to a revamped CMOS sensor and image processor that provide for smooth gradation from shadow to highlight. This gives you greater freedom of creative imaging.
Faithful color reproduction
Color reproduction performance is dramatically enhanced, giving subjects that you capture more natural color that is faithful to how the colors look in real life. Skin tones in portraits, blue skies in landscapes, and vivid hues in still life images look very realistic as a result.
Steadier shots with 5-axis stabilization 14-bit RAW output for rich gradations

The latest high-precision stabilization uses stabilization unit and gyro sensors and algorithms to achieve a 5.0-step shutter speed advantage in a system that compensates five types of camera shake with a wide range of lenses and delivers excellent performance.
For smoother, more natural gradation, the latest BIONZ X image processor and front-end LSI process image signals in 16-bit form. This processor also allows 14-bit RAW data output, even when in silent or continuous shooting mode [1] Image sensor [2] The latest high-speed front-end LSI [a] 16-bit image processing
4D FOCUS—AF performance evolves
AF performance is improved using the same AF advancements as in the α9 and applying it optimally. Once the α7 III captures such unpredictably moving subjects as dancers, boxers, and wild animals in action, it won’t easily let them go. Full-Frame BSI Sensor and BIONZ X Processor Featuring a back-illuminated design, the full-frame 24.2-megapixel Exmor R CMOS sensor works with the BIONZ X image processor to offer high-resolution stills and video while minimizing noise and improving speed. The BSI design also dramatically improves data transmission speed for creating 14-bit, high-resolution stills with a native sensitivity range from ISO 100-51200, which can be further expanded to ISO 50-204800. Also, it enables internal UHD 4K video recording with a wide dynamic range using the full width of the full-frame sensor. The BIONZ X processor also works in conjunction with a high-speed front-end LSI to realize faster processing times along with the ability to capture an impressive 15-stop dynamic range at low sensitivity values.

The sensor and processor combination also avails fast continuous shooting at up to 10 fps at full resolution, for up to 177 consecutive frames, and with full-time AF/AE when working with either a mechanical shutter or an electronic shutter. If shooting in live view mode, a continuous shooting rate of up to 8 fps is also possible. UHD 4K Video Recording in XAVC S Format   Internal recording of UHD 4K movies is possible in multiple frame rates up to 30 fps and uses 2.4x oversampling, which renders greater detail, and full pixel readout is possible, too, for higher quality imagery with reduced moiré and aliasing. Full HD 1080p recording is also supported in frame rates up to 120 fps, and both 4K and FHD resolutions utilize the 100 Mb/s XAVC S format contained within an MP4 wrapper with 4:2:0 sampling.

The high-speed, 120 fps recording also enables 4x and 5x slow-motion movie recording with the frame rate set to either 30p or 24p. In addition to high-resolution internal recording, uncompressed HDMI output also enables the use of an optional external recorder for clean 4K recording with 4:2:2 sampling. S-Log3, HLG, and Other Color and Gamma Controls Affording extensive customizable color and gamma controls, the a7 III allows users to adjust the gamma, black level, knee, color level, and more. Shooters can use the same S-Log2 Gamma Curve that is found on high end Sony Cinema cameras that squeezes up to 1300% more dynamic range into the video signal then traditional REC709, for increased post-production flexibility.

HLG (Hybrid Log-Gamma) support is available, along with the BT.2020 color space, for recording within a wide color gamut and, in addition to S-Log2, S-Log3 is also available for producing an effective 14-stop dynamic range with increased grading control in the shadow to mid-tone regions of the image. Autofocus and Image Stabilization   Fast Hybrid AF System An evolved 4D FOCUS system now employs a combination of 693 phase-detection points, which cover approximately 93% of the frame, along with 425 contrast-detection areas for reliable and quick autofocus and subject tracking performance. This Fast Hybrid AF System now achieves twice the focusing speed and more reliable tracking compared to previous a7 models, as well as improved low-light focusing.
  • Lock-on AF maintains focus on moving subjects through the use of a configurable frame that is set over the desired moving subject
  • Expand Flexible Spot employs neighboring focus points to retain focus on moving subjects even if the originally selected point loses focus
  • Eye AF can be used to base focus on recognized subjects' eyes for portraits and is available in both AF-S and AF-C modes
  • Focus Magnifier function can be used for critical focus when homing in on minute subject details
  • Rear touchscreen can also be used for Touch Focus control and a Touchpad Focus Control mode lets you use the rear screen intuitively while keeping your eye to the viewfinder
 5-Axis SteadyShot INSIDE Image Stabilization Packed into the robust a7 III is a 5-stop effective 5-axis SteadyShot INSIDE image stabilization system that compensates for five different types of camera shake encountered during handheld shooting of stills and video. This allows users to confidently use any lens, even adapted lenses, for critical imaging without encountering blur from camera shake.

For long focal lengths, the system will correct for pitch and yaw adjustments. Macro and high-magnification imagery, on the other hand, will benefit from the inclusion of horizontal and vertical shift compensation. All shooting styles will get usage out of the roll compensation. All 5 axes of stabilization will function at all times, even when used with third-party lenses and adapters or lenses with built-in optical stabilization. Body Design and Connectivity
  • The XGA OLED Tru-Finder EVF features a 2.36m-dot resolution and 0.78x magnification for bright, clear viewing in high detail.
  • In addition to the EVF, a 3.0" 922k-dot rear LCD is also available, which has a touch panel design for intuitive operation and focusing control. The screen also tilts upward 107° and downward 41° to benefit working from high and low angles.
  • Magnesium-alloy chassis assures rigidity, durability, and stability while remaining lightweight. The lens mount has also been improved to better support heavy lenses and the grip rigidity has been improved for more comfortable hand-holding.
  • Weather-sealing has been employed to resist dust and moisture for reliable operation in harsh weather conditions.
  • Using the NP-FZ100 battery, the a7 III has improved battery life and is now rated for approximately 710 shots per charge.
  • Dual SD memory card slots allow for flexible file saving and handling, and can be configured to partition raw and JPEG files or can be used for overflow recording. One of the card slots is rated to support UHS-II memory cards.
  • A USB 3.0 Type-C port has been added, in addition to a micro-USB port, for faster, more reliable tethering support. The USB Type-C connection allows the camera to be charged from the host power source while connected.
  • Built-in Wi-Fi enables the a7 III to instantly share imagery to mobile devices for direct sharing online to social networking, via email, and to cloud storage sites.
  • NFC (Near Field Communication) is also supported, which allows for one-touch connection between the camera and compatible mobile devices; no complex set-up is required. Once connected, the linked mobile device can also display a live view image on its screen and remotely control the camera's shutter.
  • Bluetooth connectivity allows for location data acquisition.
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