Skip to content
iOptron 250mm f/4 Imaging Newtonian

iOptron 250mm f/4 Imaging Newtonian

by iOptron
SKU IOP-6313
CA$1,089.00 - CA$1,089.00
CA$1,089.00
CA$1,089.00 - CA$1,089.00
CA$1,089.00
Credit available from affirm logo
Availability:
Backordered
Contact us to know when we will receive our next ones!

Free Shipping in Canada*

More information

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
0%
(0)
100%
(1)
0%
(0)
0%
(0)
0%
(0)
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