0.5X Focal Reducer Lens for Any 1.25" Telescope Eyepiece Ocular Astronomy Diagonal Extender Tube or Camera Adapter

$9.90 $8.91

Product Introduction The focal reducer has standard 1.25" telescope threads M28.5x0.6 or M30x 1 ;fits any 1.25" eyepiece;diagonal;extension tube;camera adapter which fitting that format Reduces telescope\'s focal ratio by 0.5;effectively halves the focal length;increases imaging area in a eyepiece for Astrophotography Optical lens transmit more light;pure optical glass lens held in a black-anodized aluminum filter cell;both have filter attached and be threaded onto an eyepiece or camera Features: Increases imaging area Nice anodized aluminum housing Fits all standard 1.25" scope eyepieces Optical lens helps transmit more light Reduces your telescope\'s focal ratio by 0.5 Can both have a filter attached and be threaded onto an eyepiece or camera It is not recommended for very fast scopes or very wide angle eyepieces for visual The reducer has standard 1.25" telescope and fits onto the nose of any 1.25" eyepiece;diagonal;extender tube;camera adapter Achieve even larger image fields with your telescope or camera when you attach an extension sleeve between the reducer and telescope or camera Specification: Weight: 0.42oz/12g Focal reducer: 0.5x Sleeve material: metal Barrel size:1.25 inch/31.7mm Clear aperture:0.87inch/22mm Lens material: broadband coating Lens material: pure optical glass lens Thread interface: M28x0.6 pitch (5P0087 fine thread) ; M30x1 pitch(5P0092 Coarse thread) Total item length;including external thread: 0.55inch/14mm Total item length ;excluding external thread: 0.43inch/11mm Package Include 1 x 0.5X Reducer Lens Note:Please select the appropriate thread model


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1)Orders processed timely after the payment verification.(ships out within 10 days)

2)Ship via China Post Air Mail,sometime via Singapore Post/Swiss Post/Hongkong Post.(Delivery Time: 15-35 days)

Note:Most areas of Brazil,Ruassia take more than 50 days,please wait patiently.

3) SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season.

4) If you have not received your shipment within 30 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction!

5) We are unable to take any responsibilities for the customs delay or tax.Buyer must responsible for the additional import duties,taxes or other customs related charges.


1) Returns accepted if product(s) is(are) not as described,we will bear all the shipping cost;or you keep the product(s) & agree refund with us.

2) All returned items MUST BE in the original packaging and you MUST PROVIDE us with the shipping tracking number, specific reason for the return, and your po#.

3)Please contact us if any problems with the product(s) when you got the parcel immediately.


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2)Our all products are pass the Environmental Certificate.


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  • Model Number: 5P0087&5P0092
  • Color: 5P0087, 5P0092
  • Type: Monocular
  • Brand Name: Datyson

  • Unit Type: piece
  • Package Size: 13cm x 9cm x 7cm (5.12in x 3.54in x 2.76in)
  • Package Weight: 0.05kg (0.11lb.)