WebMKII versionen af Tokinas 16-28 objektiv er ikke bare en smart re-housing af det oprindelige, men et helt nyudviklet objektiv med endnu bedre specifikationer. Den nye version er designet til at dække full-frame og det endnu større Vista Vision format, hertil er det ægte parfocalt og med væsentligt reduceret focus breathing. Web9 Dec 2024 · Its focus ring and focus set buttons are thoroughly customizable without the need for buying a USB dock and the lens is well sealed against the elements. My only gripes are the missing tripod mount and the relatively meager maximum magnification of around 1:5. ... This characteristic is called parfocal. I focused the lens at 150mm and then ...
Lens Spacers, Shims, and Focal Length Extenders
Web13 Apr 2024 · 6.3mm 32mm 40mm Plossl eyepiece set give you a good variation in magnification for a wide range of targets with extra sharpness and long eye relief Our Choices Best Sale: SVBONY Telescope Eyepiece Set Telescope Accessory Best Saving: SVBONY SV154 Telescope Eyepiece 2 inch Super Wide Angle Web12 Jan 2024 · When used in 1.25” mode with the Televue high-hat adaptor they are parfocal with the 21mm. Another option would be to add 2” barrel extensions and parfocalising rings, but the rings would have to be slightly below the end of the original 2” barrels so the extensions would have to be quite long. 1 alanjgreen 2,347 2,100 Location: smkmgt.com/burn.php
Parfocal rings - Discussions - Eyepieces - Stargazers Lounge
WebWith parfocal ring equipped telescope eyepieces you can change magnifications quickly and easily. This set of 3 Astromania Parfocal … WebG Master 70-200mm telezoom med en konstant egenblænde på 2,8. Uovertruffen gengivelse, knivskarp AF og ekstraordinær billedstabilisering. G Master objektiver løfter billedkvalitet og udtryk op på førhen uopnåelige niveauer med en imponerende blanding af ekstremt høj opløsning og blød baggrunds-bokeh. Web25 Mar 2016 · Parfocal Rings for 1.25" Eyepieces, FP501 Brand: Farpoint 4 ratings Set of 4 Parfocal Rings for 1.25" Eyepieces, FP501 Eliminates the need to refocus when switching eyepieces Includes (4) parfocal rings and wrench for adjustment Made in the USA by Farpoint Astro Additional Details Small Business This product is from a small business … smk mx mount