What size battery does this use?? The cr2032 does not appear to fit properly.

It takes a CR2032, but it looks like it takes a smaller size when you're looking at it. I've never seen a battery holder like this one (though there's nothing wrong with it) The battery holder has "claws" to grab the side of the cell and an O-ring to pull the claws together and have some pressure on the connection. Just insert the battery edge into the opening and slowly press it down all around until it seats, then screw the battery cover back on. You don't need tools but there is a slot in the cover for a coin if you have trouble opening it. You'll have to hold the brightness selector ring (it has numbers on it) in place while you unscrew the battery cover (or when screwing it back on) whether you do it by hand or with a coin. This should make for better electrical contact with the battery but it might make it more difficult to remove it. Perhaps they were thinking that you might be doing this in the dark and this would keep the battery from falling out until you were ready to pull it out but if you're using a laser collimator you're not likely to be doing this in the dark anyway. When you use a star to check the final results you won't need to have this along.

Can any one provide an explaination on how to put in the battery? without forcing it i cant see how nor do i see release screws?

I had to force mine. I consider it a design flaw. Good Luck

Can i use this my orion xt6 dobsonian?

definitely, it is made just for newtonians.

My unit came uncollimated and i do not know what tool can i use to move those 3 screws on a side. they are filled with pitch. what tool can i use?

Just remove the "pitch" with a small blade screwdriver and a pick. The screws can be accessed.

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Astromania Alignment 1.25" Next Generation Laser Collimator for Newtonian Telescopes - with This Laser You can collimate Your Newtonian Telescope in just a Few Minutes!

Product ID: 255814536

Details

Brand
Astromania
Eye piece lens description
1.25 inch
Optical tube length
1.25 Inches
Telescope mount description
Altazimuth

🔧Fits standard 1.25" focusers

🔴7 brightness levels red laser

⚙️3 adjustable alignment openings

₪178

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Description

🔭 Align like a pro, see like a visionary!

DURABLE METAL BUILD - Premium anodized aluminum body designed for long-lasting, rugged use under the stars.
USER FRIENDLY SETUP - Comes with clear English & German instructions—collimation made simple for pros and beginners alike.
PRECISION IN MINUTES - Swiftly collimate your Newtonian telescope for crystal-clear views every time.
UNIVERSAL COMPATIBILITY - Fits all 1.25" diameter focusers, making it the go-to tool for reflector telescope owners.
TAILORED BRIGHTNESS CONTROL - 7 adjustable red laser brightness levels ensure perfect visibility in any lighting.

The Astromania Alignment 1.25" Next Generation Laser Collimator is a precision tool engineered for Newtonian telescopes. Featuring a robust anodized aluminum body, 7-level adjustable red laser brightness, and triple adjustable alignment ports, it enables fast, accurate collimation in minutes. Compatible with all 1.25" focusers and backed by clear multilingual instructions, it ensures your telescope delivers its sharpest, clearest images every stargazing session.

Specifications

ASIN	B01D8HMBCQ
Additional Features	7 brightness levels red laser beam, Designed for calibrating reflecting telescopes, Solid metal body, Triple cemented of Lens
Best Sellers Rank	#51,444 in Electronics ( See Top 100 in Electronics ) #21 in Telescope Photo Adapters
Brand	Astromania
Coating	Ultra-High Transmission Coated
Compatible Devices	Newtonian Telescope with 1.25" Focus
Customer Reviews	4.5 4.5 out of 5 stars (820)
Exit Pupil Diameter	1.25 Inches
Eye Piece Lens Description	1.25 inch diameter
Field Of View	1.5 Degrees
Finderscope	Reflex
Focal Length Description	2.5 inches
Focus Type	Manual Focus
Item Dimensions D x W x H	128D x 33W x 33H millimeters
Item Weight	3 Ounces
Manufacturer	Astromania
Manufacturer Part Number	SKU_AM_ZAA1025
Model Name	Alignment 1.25" Next Generation Laser Collimator for Newtonian Telescopes - with This Laser You can collimate Your Newtonian Telescope Just in Few Minutes(Without Battery)
Model Number	10251
Mount	Altazimuth Mount
Number of Items	1
Optical-Tube Length	1.25 Inches
Power Source	Battery Powered
Unit Count	1 Count
Zoom Ratio	1:1

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₪178

Duties & taxes included

In stock

Sold byAmazon IsraelDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Israel.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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