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Ursa Major FMC Flatfield Eyepiece 7.5mm

£39.00

(1 Review)

✓ 2 year warranty

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Frequently bought with this product:

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	Ursa Major FMC Flatfield Eyepiece 25mm + £39.00
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	Ursa Major FMC Flatfield Eyepiece 5.5mm + £39.00

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Chris says
"The Ursa Major FMC eyepiece range offer an immersive 60-65 degree field of view, comfortable eye relief for spectacle wearers, and very good edge of field correction for eyepieces in this price range."

About this product

Model: ursamajor_fmc_ff_ep_7.5mm

Ursa Major FMC Flatfield Eyepiece 7.5mm

An excellent alternative to regular Plossl or Orthoscopic eyepieces.

Ursa Major FMC Flatfield eyepieces have a five to six-element optical design that provides surprisingly high performance, generous eye relief and a wide apparent field of view from 60 to 65 degrees, depending on the focal length.

Their Flatfield design with fully multicoated, edge-blackened optics reduces field curvature and enhances brightness and contrast.

The black-anodised 1.25" nosepiece has a safety taper (for a secure fit in the focuser) and is threaded to accept 1.25" astronomy filters.

Each Ursa Major FMC Flatfield eyepiece is beautifully finished with a tactile grip and a fold-down rubber eye cup for comfortable viewing.

Supplied with a lens cleaning cloth and an eyepiece bag.

Eyepiece Field of View Simulator

Specifications

Focal Length	Lens Elements/Structure	Apparent Field of View	Eye Relief	Barrel	Coatings	Filter Thread	Field Stop Diameter	Eye Cup
3.5mm	6/4	60°	15mm	1.25"	Fully Multi Coated	M28.5X0.6-3.9	3.9mm	Fold Down
5.5mm	6/4	60°	16mm	1.25"	Fully Multi Coated	M28.5X0.6-3.9	6.4mm	Fold Down
7.5mm	6/4	60°	16mm	1.25"	Fully Multi Coated	M28.5X0.6-3.9	8.6mm	Fold Down
10.5mm	5/4	60°	16mm	1.25"	Fully Multi Coated	M28.5X0.6-3.9	11.7mm	Fold Down
15.5mm	5/3	65°	16mm	1.25"	Fully Multi Coated	M28.5X0.6-3.9	17.4mm	Fold Down
19mm	5/3	65°	20mm	1.25"	Fully Multi Coated	M28.5X0.6-3.9	20.3mm	Fold Down
25mm	5/3	65°	23mm	1.25"	Fully Multi Coated	M28.5X0.6-3.9	25.9mm	Fold Down

Customer reviews

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Very, very good

30 January 2025 | Peyu

This eyepiece 7.5 mm is very nice and give clear view on refractor 102 and 6SE. By my opinion is much better than Svbony Red Line 68 degree. Also by my opinion is MUST HAVE for situations where you don't want to expose your expensive staff , but you still need great quality. I don't like the rubber covers on both sides, but in any occasion my rating for this one is 5*****. My genuine RESPECT to FLO for providing us quality staff on friendly price.