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Until May 2nd, 2025, orders under US$800 will not incur any duties or taxes upon delivery. Please note that orders under US$800 crossing the Canada-USA border after this date will be subject to duties. They will be billed by the carrier, and you will be responsible to pay them. Prioritize ordering items that are in stock!
Until May 2nd, 2025, orders under US$800 will not incur any duties or taxes upon delivery. Please note that orders under US$800 crossing the Canada-USA border after this date will be subject to duties. They will be billed by the carrier, and you will be responsible to pay them. Prioritize ordering items that are in stock!
iOptron 250mm f/4 Imaging Newtonian

iOptron 250mm f/4 Imaging Newtonian

by iOptron
SKU IOP-6313
$0
$778.00 USD - $778.00 USD
$778.00
$778.00 USD - $778.00 USD
$778.00 USD
Availability:
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iOptron’s 250mm (approx. 9.8") f/4 Newtonian optical tube assembly (OTA) with a fast F/4 focal ratio is perfect for imaging deep-sky objects with a DSLR or dedicated astronomy camera. The 3.25" Crayford-style focuser, dual split-hinged mounting rings, an 8x50 straight-through finder, and an 13" Vixen style dovetail plate make it ready to attach to your mount and start using.

  • Dual speed 2" Crayford-style focuser with 1.5" adapter iEAF ready
  • BK7 optical glass primary mirror with a protective quartz layer
  • 8 x50mm finder scope
  • 13" Vixen style dovetail plate with solid full circumference mounting rings
  • Front dust cap
  • Optional iOptron iEAF Focuser (#8453)

Optical Design Newtonian
Clear Aperture 250mm
Focal Length 1000mm
Focal Ratio f/4
Focuser Dual speed Crayford-style
OTA Length inches
Outside diameter 12 inches
OTA weight 34lb. 1oz
Extension tube 2" diameter 35mm L
Warranty One year limited

Customer Reviews

Based on 1 review
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F
Franklin Marek
Great stout features

Very impressed with the extras like the 3.3" linear bearing focuser, 12v fan, felt lined tube rings, and nice collimating knobs on the primary.

I have an unboxing and first light videos if it helps anyone as well

Unboxing: https://youtu.be/J2nuNTcdupQ
First Light: https://youtu.be/tbUm06ezqqU

User picture User picture User picture User picture User picture

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