What is the largest size eyepiece that will fit in the extender tube?

It will work great with most eyepieces, for example, 1.25" plossl eyepieces and 1.25" 66-degree ultra wide angle eyepieces and more. The inside diameters of stationary barrel and main Barrel are 3.22CM and 3.81CM, so please make sure that the largest diameter of your eyepiece less than 3.81CM and eyepiece barrel less than 3.22CM.

Will this fit a nikon d3400 t-ring

It fits my standard Nikon DLSR T-Ring.

I already have a T-ring adaptor for my Nikon D5100. will the threading of this piece work with my t-ring?

Your existing T-ring should work fine.

Will i be able to connect this to 55mm panasonic lumix fz80 camera?

No. You need a camera with interchangeable lenses like an SLR or mirrorless plus a T-Ring specific for that camera.

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$Astromania 1.25" Extendable Camera Adapter - for Either Prime-Focus Or Eyepiece-Projection Astrophotography with Refractors or Reflector Telescopes - Threaded for Standard 1.25inch Astronomy Filters$

Astromania 1.25" Extendable Camera Adapter - for Either Prime-Focus Or Eyepiece-Projection Astrophotography with Refractors or Reflector Telescopes - Threaded for Standard 1.25inch Astronomy Filters

Product ID: 426094582

Details

Brand
Astromania
Model name
Astromania
Optical tube length
1.25 Inches
Eye piece lens description
Kellner
Objective lens diameter
38.0

🔭1.25" eyepiece holder fit

⚙️Variable projection distance

🛠️Black anodized aluminum build

€ 68.34

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Sold byAmazon FranceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌌 Capture the cosmos like a pro—zoom, focus, and shoot with zero compromises!

DUAL MODE VERSATILITY - Switch between prime-focus and eyepiece-projection modes to shoot everything from lunar landscapes to distant galaxies.
PRECISION ENGINEERING - Crafted from durable black anodized aluminum with secure thumbscrew locking for rock-solid stability during long exposures.
FILTER READY THREADING - Standard 1.25" filter threads let you customize your setup with astronomy filters for enhanced image clarity and contrast.
DYNAMIC MAGNIFICATION CONTROL - Slide to adjust projection distance on the fly—no eyepiece swapping needed to capture the perfect zoom.
SEAMLESS TELESCOPE CAMERA FUSION - Effortlessly attach your DSLR to any 1.25" refractor or reflector telescope for stunning astrophotography shots.

The Astromania 1.25" Extendable Camera Adapter is a precision-engineered, dual-function astrophotography tool that fits standard 1.25" telescope eyepiece holders. Made from black anodized aluminum, it offers variable projection distance for adjustable magnification without swapping eyepieces. Compatible with both refractor and reflector telescopes, it supports prime-focus and eyepiece-projection photography, and includes threading for standard astronomy filters. Ideal for millennial astro-enthusiasts seeking professional-grade imaging flexibility.

Specifications

ASIN	B0140U9URO
Additional Features	Astrophotography capability
Best Sellers Rank	#46 in Telescope Photo Adapters
Brand	Astromania
Compatible Devices	Telescopes with 1.25-inch eyepiece holders
Customer Reviews	4.5 4.5 out of 5 stars (530)
Exit Pupil Diameter	2.94 Millimeters
Eye Piece Lens Description	Kellner
Field Of View	0.14 Degrees
Finderscope	Reflex
Focal Length Description	285 millimeters
Focus Type	Manual Focus
Item Weight	7.23 Ounces
Manufacturer	Astromania
Manufacturer Part Number	SKU_AM_CA1E
Model Name	Astromania 1.25" Extendable Camera Adapter
Model Number	SKU_AM_CA1E
Mount	Altazimuth Mount
Objective Lens Diameter	38.0
Optical-Tube Length	1.25 Inches
Power Source	Manual
Unit Count	1.0 Count
Zoom Ratio	1

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