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shop online » all levenhuk accessories » Levenhuk Ra 0.75x Focal Reducer for Ritchey-Chrétien telescopes

Levenhuk Ra 0.75x Focal Reducer for Ritchey-Chrétien telescopes

Levenhuk
Astrophotography accessory
  • Category: ???view_info.product_type_5???
  • Product ID: 50754
  • Country: PRC, controlled by Levenhuk, Inc. (USA)
  • Warranty: 6 months
  • Weight: 0.8 lb (0.38 kg)
  • UPC:
  • Package size (LxWxH): 5.7×3.3×3.3 in (14.5×8.5×8.5 cm)
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    800-342-1706
  Levenhuk Ra 0.75x focal reducer for Ritchey-Chrétien telescopes is an indispensable accessory for any astrophotographer, as it reduces the effective focal length and focal ratio of your telescope twofold. This particular model is best suited for use with Ritchey-Chrétien telescopes.... more

Levenhuk Ra 0.75x focal reducer for Ritchey-Chrétien telescopes is an indispensable accessory for any astrophotographer, as it reduces the effective focal length and focal ratio of your telescope twofold. This particular model is best suited for use with Ritchey-Chrétien telescopes.

Usage: General use product. May be used by kids over 3 years old.

There are no recent reviews available for this product.

Levenhuk Ra 0.75x Focal Reducer for Ritchey-Chrétien telescopes - Total: 5 Negative 1 Positive 4


Randall Magnuson (2015-08-14 04:36): Negative
This reducer, when used with a DSLR, requires a very short focus: it will not reach focus in an 8" RC TPO, even with all rings removed: it needs another 1/4" in-focus to reach the optical plane. This is dissapointing, because this Levenhuk reducer appears to be higher quality than the TOP. Levenhuk Customer Service:
Dear Randall, thank you for your feedback. The reducer is currently out of stock, we cannot check it. Please let us know if you need any further assistance.

Sanford Schoolfield (2015-07-27 05:48): Positive
"it reduces the effective focal length and focal ratio of your telescope twofold" What do you mean by twofold? Half? Unclear, what is the math to calculate actual? Levenhuk Customer Service:
Dear Sanford, thank you for interest in Levenhuk products! It means that the focal length of your telescope will be two times less. The reducer is currently out of stock and we do not expect to receive it in near future. Is there any additional information you might need?

Ron Yates (2015-07-11 10:12): Positive
What is the back focus of this reducer. Can I use this reducer straight out of the box on my Canon T1i or will I need to use extensions to get proper back focus? Levenhuk Customer Service:
Dear Ron, thank you for your inquiry. I regret to inform you that this reducer is currently out of stock. We do not expect to receive it in near future. Please do not hesitate to contact us if you need further assistance.

Mark Rogers (2015-03-18 08:03): Positive
Is it 2"?? Levenhuk Customer Service:
Yes, Levenhuk Ra 0.75x Focal Reducer for Ritchey-Chretien telescopes has 2" barrel diameter.

Mike Barraclough (2014-11-20 10:50): Positive
Can it be used with conjunction with canon dslr cameras Levenhuk Customer Service:
Dear Mike, thank you for interest in Levenhuk products. Yes, the reducer is designed for astrophotography, so it can be used with your camera. Is there any additional information you might need?

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