Askar 107PHQ 4.2" 107mm f/7 Quadruplet Flat-Field Astrograph - 107PHQ

Name: Telescopes Canada Askar 107PHQ 4.2" 107mm f/7 Quadruplet Flat-Field Astrograph - 107PHQ - Askar 107PHQ 4.2" 107mm f/7 Quadruplet Flat-Field Astrograph - 107PHQ
Brand: Telescopes Canada
SKU: 42735015362779
Price: 2266.0 USD
Availability: InStock
Rating: 5 (1 reviews)

4.5 (1,234)

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20% off first order

$2,266.00

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Color

Black

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Description

This long-focal-ratio Flat-field astrograph from Askar is an excellent choice for both imaging and visual use.

It has a large 44mm image circle and does not require a field flattener, simplifying spacing and connections.
It's an air-spaced ...

Reviews

5.0

1 rating

Solid Lens

The FOV on this lens using the ZWO2600MC is spot on and very flat. For the price point the stars are excellent out at the corners. The build overall is solid. I did have to tighten slightly the #4 Load adjustment screw to minimize the play on the focuser and eliminate tilt. The focuser overall is ok, but I opted to add the EAF, which installed easily. While my overall experience is limited, I would buy again as this is a cost effective purchase and within the load range for the HEQ5 Pro mount that I have.

Robert · September 10, 2023