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PrimaLuceLab Canon 700Da Camera - astronomy modified DSLR Camera
PrimaLuceLab Canon 700Da Camera - astronomy modified DSLR Camera

PrimaLuceLab Canon 700Da Camera - astronomy modified DSLR Camera

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Your Price: CAD $1,119.00
Usually ships in 7-10 business days
Part Number:PLL700DA

DSLRs are very often used for astrophotography because they offer large sensor and low electronic noise, all at a great price.

But in order to keep a proper color balance in daylight use, DSLRs use a filter placed in front of the sensor that is not completely transparent, especially at longer wavelengths corresponding to red. In astronomical application that is a problem because the most important emission line, the H-alpha (emitted by many nebulae for example) is right in the red part of the spectrum. Our 700Da camera replaces the original filter with a model designed specifically for astrophotography increasing the camera sensitivity and allowing you to take brighter pictures.


700Da camera, APS-C color sensor 22.3 x 14.9mm, astronomy modified front filter, 3" touchscreen display. 

Based on the Canon EOS 700D model, our 700Da camera offres higher sensitivity than the stock DSLRs cameras thanks to special astronomy filters we install in front of the sensor replacing the original one!

 


Technical comment by Filippo: "DSLR cameras have incredible performances, considering their price. Thanks to the large sensor, they can frame a much larger field than the one of more expensive CCD cameras. Our 700Da camera uses an astronomy modified filter in place of the original one that allows you to recor more easily deep-sky objects like nebulae."

 

APS-C sensor with big dimensions

The main advantage of DSLR cameras with respect to the dedicated CCD cameras for astronomy is to have a large sensor, bigger to the one of CCD cameras of comparable price.

To the right, you can find a comparison of the sensor size of our 700Da camera (in red) with the Sony and Kodak sensors installed on many CCD cameras for astronomy, such as Atik (in blue). As a reference we also report the size of a Full Frame sensor which also corresponds to the one of the old film cameras.

Notice how the sensor of our 700Da camera is much larger than the most of astronomy CCD cameras!



 

Modified filter for more sensitivity

In order to keep a proper color balance in daylight use, DSLRs use a filter placed in front of the sensor that is not completely transparent, especially at longer wavelengths corresponding to red. In astronomical application that is a problem because the most important emission line, the H-alpha (emitted by many nebulae for example) is right in the red part of the spectrum.

Our 700Da camera replaces the original filter with a model designed specifically for astrophotography increasing the camera sensitivity and allowing you to take brighter pictures.

 

 



The chart on the right compares the transmittance of the modified filter installed on 700Da (red curve) with the original one of the Canon EOS 700D (blue curve). For reference we reported in green also the position of the H-alpha line .

You can see how from about 550nm original filter decreases transmissivity while our modified filter lets all the light pass up to 700nm, so you can record more easily all the red weak details. The difference is huge considering the H-alpha line where the original filter has a transmissivity of about 30% while the modified one has a transmissivity of about 98%.

Our 700Da, compared to the original Canon EOS 700D, it's more sensitive.


 

700Da camera - scope of delivery:

- 700Da camera

Battery

- Battery charger

- USB cable for PC connection

User manual

 

 

 

In our laboratory we perform the 700D camera modificaton and we install the astronomical filter (which replaces the standard one) . We use special instruments and a clean room to prevent static electricity from damaging the internal components and the dust from depositing on the sensor during modification process.


Type: Modified DSLR camera
Sensor Color
Sensor APS-C Canon CMOS
Resolution 5208 x 3476
Sensor dimensions (mm) 22.3 x 14.9
Sensor diagonal (mm) 26.8
Pixels dimensions (µm) 4.3
A/D converter 14 bit
Cooling NO
Readout Noise (e-) 2.5 @ 12800 ISO
ST4 integrated autoguide port No
Telescope interface EOS bayonet
PC connection USB 2.0
Power Battery
Backfocus (mm) 44
Weight (gr.) 1100

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