Barlow element for Alpy 600 spectrograph:
- extend backfocus
- enlarge the spectrum
Typically, this barlow element is used with a Digital SLR.
With standard M42x0.75 camera adapter, backfocus range is 44.7-55.2mm.
|Name||Shelyak - Alpy Barlow Element for use with a DSLR|
|Custom Stock Status||Ships in 3-5 Days|
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Quality is excellent. A bit pricy but there is no alternate choice. (Posted on 8/24/2015)