Reference: ZWEAF-N
Brand: ZWO
Reference: POA-URANUS-C
Brand: Player One
Reference: ZWASI120MINI
Brand: ZWO
Reference: POA-ACS
Brand: Player One
Reference: AS-FRA400
Brand: ASKAR - Sharpstar
Reference: AS-SET-DUO-D1D2
Brand: ASKAR - Sharpstar
Reference: ZWDC-Y-SPLIT
Brand: ZWO
Reference: AS-REDFRA400
Brand: ASKAR - Sharpstar
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In daily astronomical shooting, the backfocus will have an influence. Astronomical photographers are often frustrated by the change of backfocus due to various reasons such as refraction of filters or when using some products with sensitive backfocus. To solve this problem, ASKAR launched the backfocus adjuster, (providing the adjustment range from 16mm-20mm), which can be adjusted ± 2mm of the backfocus. We offer two specifications for the backfocus adjuster, the camera side adapter M54 and M48, which are convenient for users to choose from.
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The backfocus adjuster is CNC machined. Each unit is a 0.05mm precision adjustment, the surface is printed with a scale for easy adjustment and to save the position. There are two holes for fixing screws, which make the adjuster easy to use with different products.
By rotating the backfocus adjuster, it can be adjusted between ±2mm to match the backfocus requirement, and to solve the various imaging problem caused by the backfocus.
Users just need to choose according to their product's rear adapter
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Reference: TSM60-M48
Brand: TSOptics
Reference: M68a-M63i
Brand: TSOptics
Reference: BA-2958552
Brand: Baader Planetarium
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Brand: Kepler
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Brand: TSOptics
Reference: M82i-M68a
Brand: TSOptics
Reference: PEG-ADAPT-M54M-M48M
Brand: Pegasusastro
Reference: M68A-M48A-30
Brand: TSOptics
Reference: PEG-PRDG-C11
Brand: Pegasusastro
Reference: AS-BF-ADM54M54
Brand: ASKAR - Sharpstar
Reference: M90I-T2I
Brand: TSOptics
Reference: ZWEOS-T2-II
Brand: ZWO
Reference: PEG-ADAPT-M54M-M48F
Brand: Pegasusastro
Reference: M69-M48
Brand: TSOptics
Reference: M81ADAPTATOR
Brand: PrimaluceLAB
Reference: POA-M48F-M54M-175
Brand: Player One
In daily astronomical shooting, the backfocus will have an influence. Astronomical photographers are often frustrated by the change of backfocus due to various reasons such as refraction of filters or when using some products with sensitive backfocus. To solve this problem, ASKAR launched the backfocus adjuster, (providing the adjustment range from 16mm-20mm), which can be adjusted ± 2mm of the backfocus. We offer two specifications for the backfocus adjuster, the camera side adapter M54 and M48, which are convenient for users to choose from.
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