• IDAS M42 Filter Holder for RASA 8 (M42 OL7.5)
  • IDAS M42 Filter Holder for RASA 8 (M42 OL7.5)

IDAS M42 Filter Holder for RASA 8 (M42 OL7.5)

IDAS M42 Filter Holder for RASA 8 (M42 OL7.5)

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$68.75
$68.75 $109.12
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IDAS M42 Filter Holder for RASA 8 (M42 OL7.5)

IDAS M42 Filter Holder for RASA 8 (M42 OL7.5)

$68.75
$68.75 $109.12
SAVE 36% Sold out

IDAS M42 Filter Holder for RASA 8

The IDAS M42 OL7.5 frame holds the IDAS filters series, and is an frame adapter with an optical path length of 7.5mm.

It is designed to be used directly between a Celestron RASA 8 and a camera with a 17.5mm flange back (FB). It can also be used with other M42 adapters.

Key Features

  • Optimized 7.5mm Optical Path Length
  • Designed to fit perfectly between a RASA 8 and a 17.5mm FB camera.
  • Clear Aperture (CA) 34.5mm
  • Can be used with sensors up to APS-C size without vignetting. (*Vignetting inherent to the RASA 8 itself is not considered.)

Usage & Connection Examples

[Usage with an M42 17.5mm FB Camera]
Can be connected and used directly

 

[Usage with an M48 or M54 17.5mm FB Camera]

Connect using a commercially available M42-to-M48 or M42-to-M54 adapter.
(M42-to-M48 or M42-to-M54 adapter ring is not included in this product.)

 

Technical Specifications

Specification Value
Product Type Filter frame adapter
Compatible Filter Series IDAS filter series
Model M42 OL7.5 Frame
Thread Interface M42
Optical Path Length 7.5 mm
Clear Aperture (CA) 34.5 mm
Primary Compatibility Celestron RASA 8
Camera Flange Back Compatibility 17.5 mm
Mounting Position Between the RASA 8 and a 17.5 mm flange back camera
Additional Compatibility Can also be used with other M42 adapters
Maximum Recommended Sensor Size Up to APS-C
Vignetting Performance No adapter-induced vignetting up to APS-C sensors (does not account for inherent RASA 8 vignetting)

 

In the Box

  • IDAS M42 Filter Holder 

 

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