Celestron C90 Mak 1250mm fixed f/13.9 Maksutov-Cassegrain Lens

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Celestron C90 Mak 1250mm fixed f/13.9 Maksutov-Cassegrain lens

Optical design

Format: 35mm SLR

Type: Prime lens

Focusing: Manual Focus (MF)

Lens mounts: T2 mount

Optical design: Maksutov-Cassegrain catadioptric telescope

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Average price: $265

Specifications:

Focal length	Max. aperture	Min. aperture	Blades	Min. Focus (m.)	Filter Ø (mm.)	Weight (gr/oz)	Length (mm/in)
1300mm	f/12	f/15		4.6	no	2100/74,1	400/15,7

Additional information:

A 90mm aperture Maksutov-Cassegrain, 1250mm focal length, focal ratio of 13.89 (fixed f/stop). This spotting scope features a T2 threaded mount for ease in adapting mirrorless and DSLR cameras. Suitable for observing the Sun (with appropriate Sun filter), the Moon, Venus, Saturn, Jupiter, etc. May also be used to observe some deep space objects. In addition to mounting your camera straight to the scope, you may also use eyepiece projectionwith a suitable adapter. Accepts 1.25" telescope accessories.

Links to online resources:

Manufacturer\'s Page

Posted by: Rob T Date of publication: 09.08.2023

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