17. listopadu 2023

Ostření na hvězdy s Bahtinova Maska

Milky Way zaostřit 


Tri Bahtinov Mask

A Tri-Bahtinov mask for SCT collimation and focusing


Comparing different focusing masks for camera lenses.

Bahtinova Ostřící Maska

Focusing Mask
Focusing Herringbone Plate


Samyang MF 14mm f/2.8 Mark 2 lens review with samples

Bahtinov Mask Drawings Generator



 


Farpoint Tri-Bahtinov Mask for Celestron 8 Classic
https://farpointastro.com/products/farpoint-tri-bahtinov-mask-for-celestron-8-classic



Pavel Bahtinov

Bahtinov factor 150, 220
better 





DWARF 2 | How To Get PERFECT Galaxy Focus With A Bahtinov Mask!
https://www.youtube.com/watch?v=6UCOzdjwwM8


Which is the best alternative to the Bahtinov Mask - Carey or Tri?
https://www.youtube.com/watch?v=OfJA8QpMqtA


Star Test to Fix Your Telescope


How to achieve a perfect focus (Using a Bahtinov mask)


Which is the best alternative to the Bahtinov Mask - Carey or Tri?





COMPARISON
Better alternative to Bahtinov Focusing Mask
https://www.cloudynights.com/topic/224593-better-alternative-to-bahtinov-focusing-mask/




Bahtinov Mask for 100mm Telescopes

kendrick-bahtinov-focus-mask

https://telescopescanada.ca/products/kendrick-bahtinov-focus-mask


Comparison of Spike Images from Bahtinov and Tri-Bahtinov Masks and DIY: Bahtinov Masks.


https://optcorp.com/collections/bahtinov-masks?page=2

https://optcorp.com/collections/bahtinov-masks?page=1

https://www.etsy.com/listing/1670874235/bhatinov-mask-for-different-size-camera

https://www.etsy.com/ie/listing/1144644627/bahtinov-focusing-mask-49-127mm-for

https://davidastro.com/en-eu/products/william-optics-105-148mm-bahtinov-focusing-mask

https://astro.com.sg/astrophotography-equipment/focusing-masks-for-astrophotography/farpoint-bahtinov-mask-for-rasa-8


https://www.astrodog.com.au/product/60mm-bahtinov-mask-fishbone-calibrator/




Screw Šroub 
up to 1300P Brass Insert Nut Assortment Kit M2 M2.5 M3 M4 M5 M6 Female Thread Knurled Embedment Injection Nuts for 3D Printing
https://www.aliexpress.com/item/1005006788928337.html

5pcs M4 Brass Round Coupling Nut Female Thread Cylindrical Stud Standoff Sleeve Double Pass Hollow Pillar Width 6mm L=10-50mm
https://www.aliexpress.com/item/1005006329354108.html


Brass Knurled Hand Screw / Copper Flat Round Head Advertising Nail Flat Head Bolt M3M4M5M6
https://www.aliexpress.com/item/1005007105818521.html

10pcs M3 M4 M5 M6 M8 304 Stainless Steel Lengthen Round Coupling Nut Internal Thread Cylindrical Joint Nut Sleeve Tubular Nuts
https://www.aliexpress.com/item/1005004170809229.html

M3 M4 M5 M6 M8 M10 ~M16 304 Stainless Steel Extension Thicken Round Column Joint Coupling Nut Cylindrical Connect Screw Nut
https://www.aliexpress.com/item/1005005441941156.html

M4 Brass Round Coupling Nut Female 10 pcs

Extension Thicken Round Column Joint Coupling Nut Cylindrical Connect Screw Nut



sharpening
sharp

sky
stars
collimation focusing mask
duncan mask for collimation focusing mask
schmidt cassegrain dunkin mask duncan mask for collimation focusing mask


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