ASKAR SQA60 PRO f/4.6 APO REFRACTOR AM5 f/5 Resolving power
USD662.00
USD707.00
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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
Live Spec
ASKAR SQA60 PRO f/4.6 APO REFRACTOR AM5 f/5 Resolving powerThe Askar SQA60 Pro is an apochromatic sextuplet flat field astrograph that offers high performance thanks to its air spaced lens design with 2 SD elements. Being a Petzval, the SQA60 Pro does not require the camera to be at a specific backfocus distance. With a 44mm full frame image circle, central star size RMS radius of less than 1m and less than 2. 4m at 22mm off axis, plus full field illumination of over 95% at the edge of the field, the SQA60
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