New products

William offers with the RedCat 71 WIFD astrograph a very well corrected telescope for astrophotography up to full frame format.

• Aperture 71 mm / Focal length 350 mm / Focal ratio f/4.9
• Petzval design with chromatic aberration free FPL53 objective (4 elements in 3 groups)
• Very well corrected and illuminated image field up to full frame format - the corrector is built in - no more adapter battle necessary
• Camera connection via M48 male thread (suitable adapters are available) - working distance 55 mm
• 360° rotation of the camera for the right display window
• Focusing via internal focusing (William Internal Focus Design - WIFD) as with telephoto lenses
• Tilting option for individual adjustment of the camera sensor to the telescope
• Flexible dovetail bar at the base (long version), suitable for Vixen style and Arca-Swiss saddle plates, in addition with 1/4" female photo tripod thread
• Nylon carrying bag and Bahtinov mask for astrophotography are included in delivery
• WIFD R&P focuser - copatible with EAF

With the EDL-24.0, TeleVue has created a survey eyepiece with very comfortable viewing characteristics and maximum contrast.

• 72-degree apparent field of view with high sharpness
• 22 mm eye relief
• Suitable as a survey eyepiece for fast telescopes, but also as a planetary eyepiece for long-focal-length telescopes
• Adjustable eyecup for optimal viewing, even for eyeglass wearers
• 2" barrel diameter with filter thread

• Place the mask on the telescope and point it at a bright star.
• Switch on the camera and observe the constellation on Live View or on the computer. 
• f the image is not exactly sharp, the centre line is shifted. Adjust the focuser until the central line runs exactly through the centre of the star. 
• You have now achieved optimum sharpness. Remove the mask from the telescope again and you can start exposing the image.

• focusers from TS-Optics, Astroshop and many other brands
• Enables the use of the EAF motorised focus system from ZWO
• Manufactured using 3D printing
• Resistant to UV and temperatures up to approx. 80° C
• The Omegon focuser and the ZWO EAF are not included in the scope of deliver

• Place the mask on the telescope and point it at a bright star.
• Switch on the camera and observe the constellation on Live View or on the computer. 
• f the image is not exactly sharp, the centre line is shifted. Adjust the focuser until the central line runs exactly through the centre of the star. 
• You have now achieved optimum sharpness. Remove the mask from the telescope again and you can start exposing the image.

• Place the mask on the telescope and point it at a bright star.
• Switch on the camera and observe the constellation on Live View or on the computer. 
• f the image is not exactly sharp, the centre line is shifted. Adjust the focuser until the central line runs exactly through the centre of the star. 
• You have now achieved optimum sharpness. Remove the mask from the telescope again and you can start exposing the image.

Feature summary Altair 462M2:

• 1920 x 1080 Resolution IMX462 Sensor
• 2.9 um Square Pixels
• 1/2.8-inch sensor format
• 5.57mm x 3.13mm sensor size
• Low Read Noise: 0.76 to 2.6e- 
• Frame Rate 18.3 FPS (8 bit) 9.1FPS (12 bit).
• 12-bit ADC, Frame buffer for smoother data transfer when guiding.
• HCG (High Conversion Gain) and LCG (Low Conversion Gain modes.
• Binning from 1x1 to 8x8 in either brightness stacking or averaging modes.
• USB-C format rear port with USB2.0 data connection, providing power to the camera.

Feature summary Altair 662M CMOS Camera:

• IMX662 MONO CMOS Sensor with on-chip HGC, LCG and HDR Support
• Resolution: 1920 x 1080
• 2.9 um Square Pixels
• 1/2.8-inch Optical Format
• 12-bit ADC
• QE>91%
• Full Well 39ke-
• High Speed USB 3.0 interface
• 101fps Maximum 8bit mode
• 512 Mbyte Memory
• G Sensitivity: 5612mv with 1/30s
• Low Read Noise: 0.46e to 5.08e-
• Binning from 1x1 to 8x8 in either stacking or averaging modes.